Term
|
Definition
| forms the cheek and part of the orbit |
|
|
Term
| movement would damage the delicate blood vessels |
|
Definition
| Why are there no blood vessels inside the joint cavity of synovial joints? |
|
|
Term
|
Definition
| is one of the two prominent processes at the proximal end of the ulna that looks like the "business end" of a monkey wrench. |
|
|
Term
|
Definition
| is NOT a function of the muscular system |
|
|
Term
|
Definition
| surrounds bundles of fibers (fasciculi) |
|
|
Term
|
Definition
|
|
Term
|
Definition
| surrounds the entire muscle |
|
|
Term
|
Definition
| is a nerve-muscle functional unit, with a motor neuron supplying all the muscle fibers. |
|
|
Term
|
Definition
True or False
Increase of hemoglobin concentration in muscle fibers is NOT a process during muscle contraction |
|
|
Term
|
Definition
| What is the ion released from the terminal cisternae that combines with troponin and removes the blocking action of tropomyosin, resulting in formation of cross bridges? |
|
|
Term
|
Definition
| Each skeletal muscle fiber is controlled by a neuron at a single what? |
|
|
Term
|
Definition
| a set of three membranous channels, and is formed by a single transverse tubule and two terminal cisternae, or elements of the sarcoplasmic reticulum |
|
|
Term
|
Definition
| during contraction, actin and myosin filaments overlap to a greater degree, shortening the muscle fiber. |
|
|
Term
|
Definition
| Interactions between actin and myosin filaments of the sarcomere are responsible for |
|
|
Term
| all-or-none response of a muscle fiber |
|
Definition
| means that a muscle fiber responds maximally to threshold stimulation or NOT at all |
|
|
Term
|
Definition
| dense layer of collagen fibers that surround an entire skeletal muscle |
|
|
Term
|
Definition
| functional unit of a skeletal muscle fiber |
|
|
Term
|
Definition
True or False
The role of calcium in muscle contraction has everthing to do with Na+ |
|
|
Term
|
Definition
| space between the neuron and the muscle |
|
|
Term
|
Definition
| term that means a continued mild or partial contraction of an entire muscle |
|
|
Term
|
Definition
| type of muscle contraction in which the muscle fibers produce increased tension but the muscle neither shortens nor lengthens |
|
|
Term
|
Definition
| WHAT binds to the troponin-tropomyosin complex and remove their inhibitory action on actin/myosin interaction |
|
|
Term
|
Definition
| are small and spindle-shaped |
|
|
Term
|
Definition
| has branching fibers and is striated and involuntary |
|
|
Term
|
Definition
| has peripherally located nuclei and has rapid and forceful contractions |
|
|
Term
|
Definition
| muscles that are responsible for pumping action of the heart |
|
|
Term
|
Definition
| ATP, CP, glucose, and oxygen all decrease during _________________ |
|
|
Term
|
Definition
| is the result of a predictable sequence of electrical changes that occurs along the length of the sarcolemma |
|
|
Term
|
Definition
| When the 1.____ channels close, 2.____ channels open, allowing rapid diffusion of K+ out of the muscle fiber |
|
|
Term
|
Definition
| is restored when K+ ions restore the electrical charge |
|
|
Term
|
Definition
| occurs when the Na+/K+ pump reestablishes the normal ionic balance across the membrane |
|
|
Term
|
Definition
| is dependent on ATP to remove calcium from the sarcoplasm |
|
|
Term
|
Definition
| maintain the organization of the A band and provide for elastic recoil when muscle contraction ends |
|
|
Term
|
Definition
| causes smooth muscle contractions |
|
|
Term
|
Definition
| Only ____________ cells can divide |
|
|
Term
|
Definition
|
|
Term
|
Definition
| described as striated, voluntary, multinucleate |
|
|
Term
|
Definition
| walls of hollow organs and some blood vessels contain this muscle tissue |
|
|
Term
|
Definition
|
|
Term
|
Definition
| percentage of body heat is generated by muscle tissue |
|
|
Term
|
Definition
|
|
Term
|
Definition
| smallest contractile unit of skeletal muscle |
|
|
Term
|
Definition
| major regulatory proteins in muscle tissue |
|
|
Term
|
Definition
|
|
Term
|
Definition
True or False
Muscle fibers stretch during muscle contraction |
|
|
Term
| acetycholinesterease degrades acetylcholine |
|
Definition
| process aids in skeletal muscle relaxation after contraction |
|
|
Term
|
Definition
| single motor neuron may innervate as few as a 3-5 fibers in muscles |
|
|
Term
|
Definition
| characterized by painful musculoskeletal "tender points" |
|
|
Term
|
Definition
builds muscle poroteins
increases muscle strength
can result in liver cancer and heart disease |
|
|
Term
|
Definition
True or False
young persons have more adipose in muscles compared to elderly persons |
|
|
Term
|
Definition
True or False
aging is accosiated with decreased mygolbin production |
|
|
Term
|
Definition
| frontal , maxiallary, ethmoid, and sphenoid bones are part of what? |
|
|
