Term
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Definition
| transports sperm from rete testis to caput epididymis |
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Term
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Definition
| hair-like structure found on ram's glans penis |
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Term
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Definition
| testicular septa partition the seminiferous tubules into these |
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Term
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Definition
| fibromuscular coat encasing testicular parenchyma |
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Term
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Definition
| principal site for extragonadal sperm reserves |
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Term
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Definition
| with the mesosalphinx, comprises the ovarian bursa |
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Term
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Definition
| chalice-shaped in the mare |
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Term
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Definition
| glandular enlargement on the vas deferens |
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Term
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Definition
| female external genitalia |
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Term
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Definition
| longitudinal folds in the mare |
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Term
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Definition
| principal duct involved in emission |
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Term
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Definition
| location of the glands of Bartholin |
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Term
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Definition
| double-walled layer adjacent to the scrotum that is continuous with the male's peritoneum |
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Term
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Definition
| vascular enlargement located on the shaft of the dog penis |
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Term
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Definition
| covered by a patch of germinal epithelium in the mare ovary |
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Term
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Definition
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Term
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Definition
| funnel-shaped end of the oviduct |
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Term
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Definition
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Term
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Definition
| develops from the genital tubercle |
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Term
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Definition
| connects to the utero-tubal junction |
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Term
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Definition
| dividing line between the anterior and posterior vaginae |
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Term
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Definition
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Term
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Definition
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Term
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Definition
| cartilaginous or bony structure located in penis |
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Term
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Definition
| base of the ovary where blood vessels enter and exit |
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Term
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Definition
| vascular layer of the testis |
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Term
| ampullary-isthmic junction (AIJ) |
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Definition
| The site of fertilization in the female tract |
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Term
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Definition
| cells in the corpus luteum regarded as high progesterone producing |
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Term
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Definition
| cells in the corpus luteum that add mass by hyperplasia |
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Term
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Definition
| the scar-like structure the corpus luteum regresses into |
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Term
| disseminate and (corpus, lobulated, body) |
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Definition
| two types of prostate gland morphology possessed by the bull |
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Term
| psuedostratified columnar w/stereocilia |
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Definition
| the epithelium of the vas deferens |
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Term
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Definition
| the uterine type possessing one vagina, two cervices and two separate uterine horns |
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Term
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Definition
| the uterine type having one cervix, an uterine body and two not separated uterine horns |
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Term
Tunica dartos
contract
decrease |
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Definition
| When moved from a warm to a cold environment, the smooth muscle in the scrotum called the ______ would ______ (relax, contract) causing the scrotal surface area to ________ (increase, decrease). |
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Term
|
Definition
| Females have a greater number of ovarian oocytes as adults compared to pre-pubertal life. (True/False) |
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Term
|
Definition
| Relative concentrations of oxidized glutathione ________ (increase/decrease/do not change) in epididymal fluid as it moves from the caput to the cauda. |
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Term
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Definition
| The intertwined vascular network of spermatic artery and veins that functions to maintain testicular temperature cooler than core body temperature. |
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Term
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Definition
| The nerve transmitting sensory impulses from the glans penis to the spinal cord following perception of the erotogenic stimulus. |
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Term
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Definition
| Fetal cotyledons attach to the maternal ________ to form the composite structure called the __________ . |
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Term
|
Definition
| describe two differences between primorial follicles and primary follicles |
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Term
larger
zona pellucida present |
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Definition
| describe two differences between primary follicles and secondary follicles |
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Term
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Definition
| describe two differences between secondary follicles and tertiary follicles |
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Term
big antrum
well defined theca interna/externa cell layers |
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Definition
| describe two differences between tertiary follicles and Graafian follicles |
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Term
| pars intermedia and pars nervosa |
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Definition
| The posterior lobe of the pituitary gland is comprised of the: a) pars intermedia and pars nervosa b) pars tuberalis and pars nervosa c) pars distalis and pars tuberalis d) pars distalis and pars nervosa |
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Term
| a hormone receptor that acts like a transcription factor |
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Definition
Choose the incorrect answer: Protein hormone mechanism of action is characterized by:
-activation of a G-protein
-production of cAMP
-phosphorylation reactions
-a hormone receptor that acts like a transcription factor |
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Term
| development of both the Mullerian and Wolffian ducts |
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Definition
Exposing a female fetus to androgens would result in:
-regression of both Mullerian and Wolffian ducts
-regression of the Mullerian ducts and development of the Wolffian ducts
-development of the Mullerian ducts and regression of the Wolffian ducts
-development of both the Mullerian and Wolffian ducts |
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Term
|
Definition
During Spermiogenesis, the axoneme develops from the :
-proximal centriole
-chromatiod body
-distal centriole
-manchette |
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Term
|
Definition
In the protein kinase A system, adenylate cyclase is similar in function to what component of the protein kinase C system:
-phosphodiesterase
-polyphosphoinositides
-diacylglycerol
-phospholipase C |
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Term
|
Definition
The pars of the pituitary gland that has the greatest endocrine function is the:
-pars nervosa
-pars intermedia
-pars tuberalis
-pars distalis |
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Term
|
Definition
The stage of follicular development where the zona pellucida first appears is the
-primary
-secondary
-tertiary
-Graafian |
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Term
| scrotum, external cremaster, tunica vaginalis, internal cremaster |
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Definition
| In a cross-section of the spermatic cord, indicate the correct order of tissue layers |
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Term
|
Definition
During spermiogenesis, the acrosome develops from the
-endoplasmic reticulum
-chromatoid body
-golgi apparatus
-mitochondria |
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Term
|
Definition
Arterial blood is supplied directly to the pars distalis from the:
-inferior hypophyseal artery
-superior hypophyseal
-median hypophyseal
-lateral hypophyseal |
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Term
|
Definition
| A substance, usually a peptide or steroid, produced by one tissue and conveyed by the bloodstream to another to effect physiological activity, such as growth or metabolism. |
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Term
hypothalamic-hypophyseal portal system
sella turcica |
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Definition
| Hypothalamic hormones controlling pituitary gland secretion are delivered into a specialized primary arterial capillary plexus called the ________. The depression in the sphenoid bone in which the pituitary gland is located is called the ___________. |
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Term
|
Definition
| Testicular parenchyma develops from indifferent gonad ___________ (cortex/medulla) |
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Term
|
Definition
| Oxytocin is produced by cell bodies located in two hypothalamic nuclei. Name one. |
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Term
| primary oocyte Metaphase I |
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Definition
| Dogs ovulate oocytes in this stage of oogenesis |
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Term
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Definition
| The portion of fused plasma and acrosomal membranes that separates the acrosome from the post-acrosomal region of the sperm head is called: |
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Term
|
Definition
| The Sertoli cell phagocytizes the bulk of the spermatid's cytoplasmic droplet into a structure called: |
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Term
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Definition
| Bull calves are born with spermatozoa in their seminiferous tubules. (True/False) |
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Term
|
Definition
what fetal structure does the vulva arise from?
-paramesonephric duct
-genital tubercle
-mesonephros
-genital folds
-urogenital sinus (cranial)
-mesonephric duct
-urogenital sinus (caudal) |
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Term
|
Definition
what fetal structure does the epididymis arise from?
-paramesonephric duct
-genital tubercle
-mesonephros
-genital folds
-urogenital sinus (cranial)
-mesonephric duct
-urogenital sinus (caudal) |
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Term
| urogenital sinus (cranial) |
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Definition
what fetal structure does the bladder arise from?
-paramesonephric duct
-genital tubercle
-mesonephros
-genital folds
-urogenital sinus (cranial)
-mesonephric duct
-urogenital sinus (caudal) |
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Term
| urogenital sinus (caudal) |
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Definition
what fetal structure does the Cowper's gland arise from?
-paramesonephric duct
-genital tubercle
-mesonephros
-genital folds
-urogenital sinus (cranial)
-mesonephric duct
-urogenital sinus (caudal) |
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Term
|
Definition
what fetal structure does the cervix arise from?
-paramesonephric duct
-genital tubercle
-mesonephros
-genital folds
-urogenital sinus (cranial)
-mesonephric duct
-urogenital sinus (caudal) |
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Term
| Urogenital sinus (caudal) |
|
Definition
what fetal structure does the vestibule arise from?
-paramesonephric duct
-genital tubercle
-mesonephros
-genital folds
-urogenital sinus (cranial)
-mesonephric duct
-urogenital sinus (caudal) |
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Term
|
Definition
what fetal structure does the efferent ducts arise from?
-paramesonephric duct
-genital tubercle
-mesonephros
-genital folds
-urogenital sinus (cranial)
-mesonephric duct
-urogenital sinus (caudal) |
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Term
|
Definition
what fetal structure does the clitoris arise from?
-paramesonephric duct
-genital tubercle
-mesonephros
-genital folds
-urogenital sinus (cranial)
-mesonephric duct
-urogenital sinus (caudal) |
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Term
|
Definition
| What follicular stage is responsive to LH? |
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Term
|
Definition
| What cell population(s) in the follicle is responsive to LH |
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Term
|
Definition
| How do these follicle cells respond to LH? |
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Term
| they don't have LH receptors |
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Definition
| Why are ova in other follicles unaffected by LH? |
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Term
| LH inhibits OMIF allowing oogenesis to continue from primary to secondary oocyte in Metaphase II |
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Definition
| Describe the changes in oogenesis that are induced by LH for most mammalian females. |
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Term
| accessory sex glands develop from the urogenital sinus |
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Definition
In the development of the male reproductive tract
-indifferent gonad cortex becomes testicular parenchyma
-testosterone production causes regression of the Mullerian duct
-secondary sex cords give rise to seminiferous tubules
-accessory sex glands develop from urogenital sinus |
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Term
| the bulbospongiosus muscle compresses the crura |
|
Definition
Choose the incorrect answer: During erection and ejaculation in the bull
-arteriolar dilation and venous compression causes blood engorgement in the cavernous tissue
-the penile retractor muscles relax
the bulbospongiosus muscle compresses the crura
-the sigmoid flexure straightens |
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Term
| stimulates milk synthesis |
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Definition
Choose the incorrect answer: Oxytocin
-is synthesized in the hypothalamus
-is secreted by the pars nervosa
-stimulates milk synthesis
-stimulates myometrial contractility |
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Term
| stimulates desmolase activity |
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Definition
Choose the incorrect answer: Follicle stimulating hormone
-causes secretion of androgen binding protein by Sertoli cells
-stimulates desmolase activity
-maintains spermatocytogenesis to the secondary spermatocyte stage
-release is inhibited by inhibin |
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Term
|
Definition
An example of a phytoestrogen is
-coumestrol
-zeranol
-diethylstilbestrol
-estriol |
|
|
Term
| the primary oocyte is fixed in a resting stage known as the diakinesis stage |
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Definition
Chose the incorrect answer: During oogenesis for most species
-a secondary oocyte is ovulated
-the primary oocyte is fixed in a resting stage known as diakinesis stage
-activation is required for completion of meiosis
-the terminal oogenetic stage is the ootid |
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Term
| the preovulatory center of the hypothalamus |
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Definition
Choose the incorrect answer: Complementary effects of progesterone and estrogen are exhibited by
-mammary gland
-uterine growth
-estrus behavior
-the preovulatory center of the hypothalamus |
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Term
|
Definition
Choose the incorrect answer: Placental hormones include
-prolactin
-progesterone
-hCG
-eCG |
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Term
|
Definition
Choose the incorrect answer: The following hormones are luteotrophic:
-progesterone
-LH
-hCG
-prolactin |
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Term
|
Definition
Choose the incorrect answer: Estradiol
-is the most potent estrogen
-is luteolytic in pigs
-stimulates myometrial contractions
-stimulates endometrial hypertrophy |
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Term
| cyclopentanoperhydrophenanthrene |
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Definition
| The chemical name for the 17 carbon steroid nucleus |
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Term
|
Definition
| The specific embryonic cells that produce human chorionic gonadotropin |
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Term
|
Definition
| The D-Leu6-des Gly NH2-10-ethyl amide analog of GnRH is regarded as an _______ (agonist, antagonist) of the native hormone. |
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Term
|
Definition
| Besides the brain, another source of oxytocin |
|
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Term
|
Definition
| The specialzed endocrine organs that produce equine chorionic gonadotropin |
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|
Term
testosterone
estrogen
aromatase |
|
Definition
| Within the target cells in the fetal male's hypothalamus, ________ is converted to _______ by ___________ (enzyme) wich then functions to defeminize the hypothalamus. |
|
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Term
|
Definition
| Relaxin functions to cause cervical softening and dilation by stimulating cervical fibroblasts to produce this enzyme:____________. |
|
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Term
|
Definition
| The biosynthetic precursor for prostaglandins |
|
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Term
|
Definition
| As puberty approaches, GnRH-secreting neuroendocrine cells in the tonic center in the hypothalamus release _____ (more/less) GnRH and ________ (increase/decrease) in sensitivity to steroidal hormone negative feedback. At the same time, plasma concentrations of the adipocyte hormone, leptin, would be _________ (increasing/decreasing). |
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Term
|
Definition
| The dog is an example of a species that spontaneously ovulates mature follicles but only forms functional corpora lutea for a definite period of time after mating. (true/false) |
|
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Term
|
Definition
| In the biosynthetic pathway for follicular estradiol synthesis, testosterone production by _______ cells is regulated by _____ (hormone). |
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