Term
| the accessory organs of the urinary system include |
|
Definition
| ureters, urinary bladder, urethra |
|
|
Term
| in position, which is usually higher, left or right? |
|
Definition
| Left is often higher because of the liver |
|
|
Term
| the _ are the principle organs of the urinary system |
|
Definition
|
|
Term
| true or false urinary system regulates the content of blood plasma to maintain the dynamic constancy or homeostasis of the internal fluid environment within normal limits |
|
Definition
|
|
Term
| kidneys are located in a _ position with the abdomen |
|
Definition
|
|
Term
| what comprises much of the medullary tissue |
|
Definition
|
|
Term
| the area where cortical tissue dips into the medulla between the pyramids |
|
Definition
|
|
Term
| cup-like structure at each renal papilla to collect urine; join together to form renal pelvis |
|
Definition
|
|
Term
| renal pelvis narrows as it exits kidney to become _ |
|
Definition
|
|
Term
| the large branch of abdominal aorta; brings blood into each kidney |
|
Definition
|
|
Term
| located between the pyramids of the medulla and the renal artery branches; _ arteries extend toward the cortex, arch over the bases of the pyramids, and form arcuate arteries; from arcuate arteries, interlobular arteries penetrate the cortex |
|
Definition
|
|
Term
| they are located where afferent arteriole brushes past distal tubule; important to maintenance of blood flow homeostasis by reflexively secreting renin when blood pressure in afferent arteriole drops |
|
Definition
| juxtaglomerular apparatus |
|
|
Term
| which is often larger, left kidney or right? |
|
Definition
|
|
Term
| the tube running from each kidney to urinary bladder; composed of three layers: mucous lining, muscular middle layer, and fibrous outer later |
|
Definition
|
|
Term
| the _, located in the renal cortex, is a unique segment of the nephron where the thick ascending limb of the loop of henle passes between the afferent and efferent arterioles of its own glomerulus |
|
Definition
| juxtaglomerular apparatus (JGA) |
|
|
Term
| it is structure is similar to that of a collapsible bag located behind the symphysis pubis made mostly of smooth muscle tissue; lining forms rugae; can distend considerably |
|
Definition
|
|
Term
| functions of the urinary bladder include: |
|
Definition
reservoir for urine before it leaves the body aided by the urethra, expels urine from the body |
|
|
Term
| urine enters the bladder via the _ and exits via the _ |
|
Definition
ureter(s) (enter) urethra (exit) |
|
|
Term
| in anatomy, the _ is a hollow, muscular, and distensible (elastic) organ that sits on the pelvis floor. |
|
Definition
|
|
Term
| the muscle in your bladder wall is called the _, it relaxes to allow your bladder to fill. When you go to the toilet, it contracts to squeeze out urine. |
|
Definition
|
|
Term
| small mucous membrane-lined tube, extending from trigone to exterior of the body |
|
Definition
|
|
Term
| male or female? in _, lies posterior to symphysis pubis and anterior to vagina; approximately 3 cm long |
|
Definition
|
|
Term
male or female urethra? In _, after leaving the bladder it pass through prostate gland where it is joined by two ejaculatory ducts; from prostate, extents to the base of the penis |
|
Definition
|
|
Term
| mechanism for voiding name at least 2 |
|
Definition
voluntary relaxation of external sphincter muscle regions of the detrusor muscle contract reflexively urine is forced out of the bladder and through the urethra |
|
|
Term
| _, are the microscopic functional units, make up the bulk of the kidney; those located in renal cortex are called cortical nephrons; those near junction of cortical and medullary layers are called juxtamedullary nephrons; each _ is made up of various structures |
|
Definition
|
|
Term
| the _ is the cup-shaped mouth of nephron |
|
Definition
|
|
Term
| this is called the network of fine capillaries in bowman's capsule; together called renal corpuscle; located in cortex of kidney |
|
Definition
|
|
Term
| this is the first part of the renal tubule nearest to bowman's capsule; follows a winding, convoluted course; also known as proximal convoluted tubule |
|
Definition
|
|
Term
| renal tubule segment that is just beyond the proximal tubule. It consists of a thin descending limb, a sharp turning, and a thick ascending limb |
|
Definition
|
|
Term
true or false as the filtrate passes back up the thin ascending limb of loop of henle, the concentration of the surrounding medulla decreases. The thin ascending limb is not permeable to water, but it is permeable to ions. |
|
Definition
|
|
Term
| This is a straight tubule joined by the distal tubules of several nephorns. It joins larger ducts; larger collecting ducts of one renal pyramid converge to form one tube that opens at a renal papilla into a calyx |
|
Definition
|
|
Term
| chief functions of kidney are to process _ and form _. |
|
Definition
|
|
Term
| the functional unit of kidney is called a _. |
|
Definition
|
|
Term
| defined as the movement of water and protein-free solutes from plasma in glomerulus into capsular space of bowman's capsule |
|
Definition
|
|
Term
| defined as the movement of molecules out of tubule and into peritubular blood |
|
Definition
|
|
Term
| defined as the movement of molecules out of peritubular blood and into tubule for excretion. |
|
Definition
|
|
Term
| this is the first step in blood processing that occurs in the renal corpuscles |
|
Definition
|
|
Term
true or false glomerular hydrostatic pressure and filtration are directly related to systemic blood pressure |
|
Definition
|
|
Term
| this is the second step in urine formation;occurs as a result of passive and active transport mechanisms from all parts of the renal tubules; major portion of this precess occurs in proximal tubules |
|
Definition
|
|
Term
| True or False Proper function of the reproductive system ensures the survival of the species |
|
Definition
|
|
Term
| True or False Male reproductive system consists of organs whose functions are to produce, transfer, and introduce mature sperm into the female reproductive tract where fertilization can occur |
|
Definition
|
|
Term
| Supporting structures of the male reproductive system include |
|
Definition
| Scrotum Penis Pair of spermatic cords |
|
|
Term
| _ in males, roughly diamond-shaped area between thighs; extends anteriorly from symphysis pubis to coccyx posteriorly; lateral boundary is the ischial tuberosity on either side; divided in the urogenital triangle and the anal triangle |
|
Definition
|
|
Term
| _ is the formation of mature male gametes (spermatozoa) by seminiferous tubules |
|
Definition
|
|
Term
| the testes secrets a hormone called _ |
|
Definition
|
|
Term
| structure of spermatozoa consists of |
|
Definition
head (covered by acrosome) neck midpiece (body) tail (divided into a principal piece and a short end piece) |
|
|
Term
| the reproductive (genital) ducts the male reproductive system is called _. |
|
Definition
|
|
Term
| this duct is formed by union of vas deferens with duct from seminal vesicle passes through prostate gland, terminating in urethra |
|
Definition
|
|
Term
structure and location – convoluted pouches about 5 to 7 cm long on posterior surface of bladder function – secrete the viscous, nutrient rich part of seminal fluid (60% of semen volume) |
|
Definition
|
|
Term
| _ is dough nut-shaped and encircles urethra just below bladder |
|
Definition
|
|
Term
| _ is small, pea-shaped structures with ducts about 2.5cm (1 inch) long leading into urethra lie below prostate gland |
|
Definition
|
|
Term
| skin-covered pouch suspended from perineal region. It is divided into two compartments and contains testis, epididymis, and lower part of a spermatic cord |
|
Definition
|
|
Term
| _ and _ muscles elevate the scrotal pouch |
|
Definition
|
|
Term
| component of male reproductive organ that is composed of thee cylindrical masses of erectile tissue, one of which contain urethra |
|
Definition
|
|
Term
| _ are fibrous cylinders located in inguinal canals. They enclose seminal ducts, blood vessels, lymphatics, and nerves |
|
Definition
| spermatic cords (internal) |
|
|
Term
| male fertility relates to many factors, |
|
Definition
number of sperm size shape motility |
|
|
Term
| the stage when high levels of hormones stimulate final stages of development in males |
|
Definition
|
|
Term
| name at least 2 functions of the female reproductive system. |
|
Definition
1 Produce offspring and thereby ensure continuity of the genetic code 2 it produces eggs, or female gametes, which each may unite with a male gamete to form the first cell of an offspring 3 it also can provide nutrition and protection to the offspring for up to several years after conceptions |
|
|
Term
| nodular glands located on each side of the uterus, below and behind the uterine tubes |
|
Definition
|
|
Term
| _ is called the development of the fetus in a place other than the uterus |
|
Definition
|
|
Term
| _ is an oocyte released from the ovary |
|
Definition
|
|
Term
| female accessory organs include the internal genitals which are comprised of the following: (name at least 2) |
|
Definition
uterine tubes uterus vagina |
|
|
Term
| name at least 2 functions of the ovaries |
|
Definition
1 ovaries produce ova – the female gametes 2 the ovaries are endocrine organs the secrete the female sex hormones (estrogens and progesterone) |
|
|
Term
| _ is the process that results in formation of a mature egg |
|
Definition
|
|
Term
| the female sex hormones are _ and _ |
|
Definition
1 estrogens 2 progesterone |
|
|
Term
| it is pear-shaped, has two main parts – the cervix and the body. Its wall is composed of three layers – inner endometrium, middle myometrium, and outer, incomplete later of parietal peritoneum |
|
Definition
|
|
Term
| the _ is the skin covered region between the vaginal orifice and the rectum this area may be torn during childbirth |
|
Definition
|
|
Term
| to alleviate the tearing of perineum in female during childbirth, this procedure may be performed |
|
Definition
|
|
Term
| located in pelvis cavity between urinary bladder and rectum. Its position is altered by age pregnancy, and distention of related pelvis viscera |
|
Definition
|
|
Term
| the blood to the uterus is supplied by uterine _ |
|
Definition
|
|
Term
| _ is a cyclical even that allows the endometrium to renew itself |
|
Definition
|
|
Term
| _ are also called fallopian tubes, or oviducts |
|
Definition
|
|
Term
| its function is to serve as transport channels for ova and as the site of fertilizations |
|
Definition
|
|
Term
| _ is a mucous membrane that typically forms a border around the vagina in young premenstrual girls |
|
Definition
|
|
Term
| _ is a tubular organ located between the rectum, the urethra, and the bladder |
|
Definition
|
|
Term
| the _ consists of the female external genitals: mons pubis, labia majora, labia minora, clitoris, urinary meatus, vaginal orifice, and greater vestibular glands |
|
Definition
|
|
Term
| when ovaries from birth contain oocytes in primary follicles in which the meiotic process has been suspended; at the beginning of menstruation each month, several of the oocytes resume meiosis; meiosis will stop again just before the cell is released during ovulation, this cycle is called _. |
|
Definition
|
|
Term
| menstrual cycle (endometrial cycle) is divided into four phases: |
|
Definition
1 mensus 2 postmenstrual phase 3 ovulation 4 premenstrual phase |
|
|
Term
| ovarian cycle's primary function is _. |
|
Definition
| to produce an ovum at regular intervals |
|
|
Term
| Respiratory function includes the following |
|
Definition
external respiration transport of gases by the blood internal respiration regulation of respiration |
|
|
Term
| external respiration include _ and _. |
|
Definition
pulmonary ventilation (breathing) pulmonary gas exchange |
|
|
Term
| internal respiration include the following |
|
Definition
systemic tissue gas exchange cellular respiration |
|
|
Term
| _ is the process in which air moves into the lungs. |
|
Definition
|
|
Term
| _ in the process which air moves out of the lungs. |
|
Definition
|
|
Term
pulmonary ventilation mechanism must establish two gas pressure gradients. What are they? |
|
Definition
1. One in which the pressure within alveoli of lungs is lower that atmospheric pressure to produce inspiration 2. one in which the pressure in the alveoli of lungs is higher that atmospheric pressure to produce expiration |
|
|
Term
| pressure gradients are established by changes in size of _ that are produced by contraction and relaxation of muscles |
|
Definition
|
|
Term
| _ Law states that volume of gas varies inversely with pressure at a constant temperature |
|
Definition
|
|
Term
| contraction of diaphragm produces _ as it contracts, it makes thoracic cavity larger |
|
Definition
|
|
Term
| expansion of thorax results in decreased intrapleural pressure, leading to a decreased _ pressure |
|
Definition
|
|
Term
| air moves into lungs when alveolar pressure (Palv) drops below _ pressure |
|
Definition
|
|
Term
| _ is defined as the ability of pulmonary tissues to stretch, making inspiration possible |
|
Definition
|
|
Term
| defined as a passive process that beings when inspiratory muscles are relaxed, decreasing size of thorax |
|
Definition
|
|
Term
| defined as the tendency of pulmonary tissues to return to a smaller size after having been stretched passively during expiration |
|
Definition
|
|
Term
| defined as the amounts of air that moved in and out and remaining and are important to the normal exchange of oxygen and carbon dioxide |
|
Definition
|
|
Term
| _ is an instrument used to measure volume of air |
|
Definition
|
|
Term
| _ is the amount of air exhaled after normal inspiration |
|
Definition
|
|
Term
| defined as the largest volume of additional air that can be forcibly exhaled |
|
Definition
| expiratory reserve volume (erv) – (between 1.0 and 1.2 liters is normal erv) |
|
|
Term
| defined as the amount of air that can be forcibly inhaled after normal inspiration |
|
Definition
| inspiratory reserve volume (irv) (normal irv is 3.3 liters) |
|
|
Term
| defined as the amount of air that cannot be forcibly exhaled (1.2 liters) |
|
Definition
|
|
Term
| true or false a person's vital capacity depends on many factors, including the size of the thoracic cavity and posture |
|
Definition
|
|
Term
| defined as the amount of air at the end of a normal respiration |
|
Definition
| functional residual capacity |
|
|
Term
| defined as the total amount of air a lung can hold |
|
Definition
| total lung capacity - the sum of all four lung volumes |
|
|
Term
| defined as the volume of inspired air that reaches the alveoli |
|
Definition
|
|
Term
| defined as the air in passageways that do not participate in gas exchange |
|
Definition
|
|
Term
the law that states the partial pressure of a gas in a mixture of gases in directly related to the concentration of that gas in the mixture and to the total pressure of the mixture law of partial pressures |
|
Definition
|
|
Term
| exchanges of gases in the lungs takes place between _ and _ flowing through lung capillaries |
|
Definition
|
|
Term
| four factors determine the amount of oxygen that diffuses into blood |
|
Definition
the oxygen pressure gradient between alveolar air and blood the total functional surface area of the respiratory membrane respiratory minute volume alveolar ventilation |
|
|
Term
structural factors that facilitate oxygen diffusion from alveolar air to blood walls of the alveoli and capillaries form only a very thin barrier for gases to cross alveolar and capillary surfaces are large blood is distributed though the capillaries in a thin later so each red blood cell comes close to alveolar air [NO ANSWER] |
|
Definition
structural factors that facilitate oxygen diffusion from alveolar air to blood walls of the alveoli and capillaries form only a very thin barrier for gases to cross alveolar and capillary surfaces are large blood is distributed though the capillaries in a thin later so each red blood cell comes close to alveolar air |
|
|
Term
| _ increases the oxygen carrying capacity of blood |
|
Definition
|
|
Term
| oxygen travels in two forms |
|
Definition
as dissolved o2 in plasma associated with hemoglobin (oxyhemoglobin) |
|
|
Term
| exchange of gases in tissues takes place between _ flowing through tissue capillaries and cells |
|
Definition
|
|
Term
| defined as the increased pco2 decreases the affinity between oxygen and hemoglobin |
|
Definition
|
|
Term
| Name 3 functions of the skeletal system |
|
Definition
| Support, movement and protection |
|
|
Term
| Name the classifications of bones |
|
Definition
Long – femur, tibia & fibular, humerus, ulna & radius, and phalanges Flat – cranial bones, sternum, ribs and scapula Short – Wrist and ankle Irregular – Vertebra and some facial bones Sesamoid bones – In the knee - the patella; in distal portions of the metacarpal bones; two on the first metacarpal bone and one on the second. The last one is the pisiform bone of the wrist |
|
|
Term
| Provide examples of a flat bone |
|
Definition
| Skull, the pelvis, sternum, rib cage, and the scapula |
|
|
Term
| Provide examples of long bones |
|
Definition
| Femur, tibia &fibular, humerus, ulna & radius, and phalanges |
|
|
Term
| Provide examples of short bones |
|
Definition
|
|
Term
| Definition: bones shaft or body, the long cylindrical, main portion of the bone |
|
Definition
|
|
Term
| Definition: Distal and proximal ends of bone |
|
Definition
|
|
Term
| Vertebra & some facial bones are? |
|
Definition
|
|
Term
| Definition: Region in a mature bone where the diaphysis joins the epiphyses |
|
Definition
|
|
Term
| Definition: Thin layer of hyaline cartilage covering the part of the epiphysis where the bone forms an articulation with another bone |
|
Definition
|
|
Term
|
Definition
| A though sheet of dense irregular connective tissue that surrounds the bone surface wherever it is not cover by articular cartilage |
|
|
Term
| A hollow cylindrical space within the diaphysis that contains fatty yellow bone marrow in adults |
|
Definition
|
|
Term
| A thin membrane that lines the medullary cavity |
|
Definition
|
|
Term
| Name the components of the extracellular matrix |
|
Definition
| 25% water, 50% crystallized mineral salts, 25% collagen fibers |
|
|
Term
|
Definition
|
|
Term
| As bones hardness depends on the crystallized inorganic mineral salts a bones ____ depends on its collage fibers |
|
Definition
|
|
Term
| There are four main major types of cells present in bone tissue |
|
Definition
| Osteogenic cells, Osteoblast, Osteocytes, and Osteoclast |
|
|
Term
| They are the only bone cells to undergo cell division |
|
Definition
|
|
Term
| Mature bone cells in the bone tissue maintain its daily metabolism |
|
Definition
|
|
Term
| Bone cells that do not undergo cell division |
|
Definition
|
|
Term
| _________ are huge cells that derived from fusion of as many as 50 monocytes and are concentrated in the Endosteum |
|
Definition
|
|
Term
| This region of bone may be categorized as _____ and _____ |
|
Definition
|
|
Term
| 80% of the skeleton is ____ |
|
Definition
|
|
Term
| Compact bone tissue contains few spaces and is arranged in repeating units called _____or ____ |
|
Definition
| Osteons or Haversion system |
|
|
Term
| Between the lamalle and small space ______ [little lakes] which contain Osteocytes |
|
Definition
|
|
Term
| Compact bone provides protection and support and resist stress produced by ______and ____ |
|
Definition
|
|
Term
| The process by which bone form |
|
Definition
|
|
Term
| Within the long bones are two types of bone marrow |
|
Definition
|
|
Term
|
Definition
|
|
Term
| ____ carry oxygen and nutrients to the body tissue |
|
Definition
|
|
Term
| Two methods of bone formation |
|
Definition
Intramembranous ossification Endochondral ossification |
|
|
Term
| ____is the simple of the two methods of bone formation |
|
Definition
| Intramembranous ossification |
|
|
Term
| Site where bone will develop |
|
Definition
|
|
Term
| Replacement of cartilage of bone is called |
|
Definition
| Endochondral ossification |
|
|
Term
| Bone growth is the length related to the activity of ____ plate |
|
Definition
|
|
Term
| __ to __ extra cellular matrix decrease |
|
Definition
|
|
Term
| Bone replacement; all the cartilage, leaving a bony structure is called the ___ line |
|
Definition
|
|
Term
| Define an ongoing replacement of old bone tissue by new bone tissue |
|
Definition
|
|
Term
| ___is a specialized as a branch of dentistry |
|
Definition
|
|
Term
|
Definition
|
|
Term
| ____is a disease in which bone becomes fragile |
|
Definition
|
|
Term
| These broken bones also known as fractures occur typically in the ___ |
|
Definition
|
|
Term
| Spinal or vertebral FX also have serious consequences |
|
Definition
| Loss of height & deformity |
|
|
Term
| In ___ disease, Osteoclast are more active that Osteoblast |
|
Definition
|
|
Term
| Define as any break in a bone |
|
Definition
|
|
Term
| An incomplete break across the bone |
|
Definition
|
|
Term
| A complete break across the bone that is broken into two or more pieces |
|
Definition
|
|
Term
| The Fx bone does not break through the skin |
|
Definition
| Closed or simple fracture |
|
|
Term
| The broken ends of the bone protrude through the skin |
|
Definition
|
|
Term
| A break in you arm just behind your wrist. It is caused by falling forward onto an outstretched arm. |
|
Definition
|
|
Term
| The most Important hormone that regulates calcium |
|
Definition
|
|
Term
| If a person is bedridden or has a cast the strength of the unstressed bone diminishes T/F |
|
Definition
|
|
Term
| Gymnast have the highest bone density T/F |
|
Definition
|
|
Term
| ___ Consist of the bones that lie around the longitudinal axis of the human body |
|
Definition
|
|
Term
| Consists of the bones of the upper and lower limbs and bones group called girdles |
|
Definition
|
|
Term
| The axial skeleton includes ___bones |
|
Definition
| Skull, ribs, and vertebrae |
|
|
Term
| How many bones make up the Axial Skeleton? |
|
Definition
|
|
Term
| How many bones make up the appendicular skeleton |
|
Definition
|
|
Term
| Appendicular skeleton includes which bones |
|
Definition
| Shoulder girdle, Arm, Hand, Pelvic girdle, Leg, Foot |
|
|
Term
| There are 8 groups of cranial bones |
|
Definition
| Frontal, (2) temporal, (2) parietal, cranial, ethmoid, Sphenoid |
|
|
Term
| There are four types of sutures |
|
Definition
| Coronal, Sagittal lumbodal, squamos |
|
|
Term
| There are 14 facial bones |
|
Definition
2 x Inferior Nasal Conchae 2 x Lacrimal Bones 1 x Mandible 2 x Maxillae (pl.); Maxilla (sing.) 2 x Nasal Bones 2 x Palatine Bones 1 x Vomer 2 x Zygomatic Bones |
|
|
Term
| Number of Cervical Vertebrae |
|
Definition
|
|
Term
| Number of Thoracic Vertebrae |
|
Definition
|
|
Term
| Number of lumbar vertebrae |
|
Definition
|
|
Term
|
Definition
|
|
Term
| The abbreviation of vertebrae |
|
Definition
Cervical: C1-C7 Thoracic: T-spine 1-12; T1-T12 Lumbar: L1-L5 |
|
|
Term
| Compare the cervical bones in size against the others _____vertebrae are the smallest |
|
Definition
|
|
Term
| The vertebrae promine are located in __ |
|
Definition
|
|
Term
|
Definition
|
|
Term
| An example of a lordotic curve |
|
Definition
|
|
Term
| Which vertebrae have Kyphotic curvature |
|
Definition
| Thoracic and sacral cruves |
|
|
Term
| Lower back pain is located in ____ and |
|
Definition
|
|
Term
| The true spinal cord ends at ____ where it divides into many different nerve roots that travel to the lower body and legs |
|
Definition
|
|
Term
| This collection of nerve roots is called ____ which means burse tail |
|
Definition
|
|
Term
| The ___ is a large, triangular bone at the base of the spine and at the upper/ back pair of the pelvic cavity |
|
Definition
|
|
Term
| The ___ are a protective cage around the heart |
|
Definition
|
|
Term
| Vertebralsternal are ____ ribs |
|
Definition
| True 1-7 (Vertebralsternal); costal cartilage articulates directly with sternum False ribs (8-12) - don't articulate directly w/sternum Floating (11-12) - don't articulate w/sternum at all |
|
|
Term
| Don't attach directly w/sternum |
|
Definition
|
|
Term
| In the Appendicular skeleton the pectoral girdle bones include _______ bones |
|
Definition
|
|
Term
| False weight bearing bone |
|
Definition
|
|
Term
| Name six type of synovial joints |
|
Definition
| Ball and Socket, Hinge, Pivot, Condyloid, Gliding, Saddle |
|
|
Term
| The vertebral column (or spine) consists of ___ bones |
|
Definition
|
|
Term
| There are three types of connective tissue |
|
Definition
Cartilage - this forms cushions between bones Ligaments - these are bands of fibre joining bone to bone and stabilising movement at a joint. Tendons - these attach muscle to bones (or to other muscles) |
|
|
Term
| There are Three Different Types of Joint |
|
Definition
Fixed or Immovable Joint Slightly Movable Joints Freely Movable Joints |
|
|
Term
| There are Five Kinds of Joint Movement |
|
Definition
Extension – all joints straight or extended Flexion – knee an elbow joint are flexed Adduction – Adduction at the hip and shoulder girdle a Abduction – abduction at the hip and shoulder girdle *arrow up* Rotation – head rotates at the neck joint |
|
|
Term
|
Definition
| Posterior part of the shoulder girdle |
|
|
Term
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Definition
| the science/study of ligaments. |
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Term
| There are three types of cartilage |
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Definition
Fibrocartilage - (found in intervertebral discs) Elastic cartilage (found in the external ear and epiglottis) Hyaline cartilage. Hyaline (or articular) cartilage is the most important cartilage: It serves as the "original" skeleton in the embryo from which bones develop |
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Term
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Definition
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