How can we help?

You can also find more resources in our Help Center.

50 terms

Beth Anderson's Extra Credit due on Nov. 27, 2009 on muscles

Beth Anderson's Extra Credit due on Nov. 27, 2009 on muscles
STUDY
PLAY
testosterone, human growth hormone
what stimulates hypertrophy
myofibrils
thread-like structures which have a contractile function
filaments
function in the contractile process
muscle contraction
release of Ca++ from Sarcoplasmic Reticulum trigers what?
binds oxygen molecules
function of myoglobin
skeletal muscle fiber
each branch of the axon from the somatic motor neuron extends to a different what?
peri
around
skeletal, cardiac, smooth
list the 3 types of muscle tissue
bones
what do most skeletal muscles move?
skeletal, cardiac
what type of muscular tissue is striated
alternating light and dark, skeletal
what type of bands are seen in what muscle examined under a microscope
skeletal
what muscle tissue is voluntary
diaphragm
example of subconsciously controlled skeletal muscle
cardiac muscle
muscle found only in the walls of the heart
cardiac, smooth
what muscle is controlled involuntarily?
pacemaker
what is the contraction and relaxation of the heart initiated by, is a node of tissue
smooth muscle
what muscle is located in the walls of hollow internal structures
bv's, airways, many organs
where is smooth muscle found?
producing body movements, stabilizing body positions, moving substances within body, generating heat
what are the functions of muscular tissue
walking, running
examples of the function "producing body movements"
posture
examples of the function "stabilizing body positions"
heart muscle pumping blood, moving substances in digestive tract
examples of the function "moving substances within the body"
contracting muscles produce heat, shivering increases heat production
examples of the function "generating heat"
epi
upon, on, or above
my, myo
muscle
bi
two
tachy
rapid
brady
slow
excitability, contractility, extensibility, elasticity
list the properties of muscular tissue
excitability
ability to respond to stimuli
contractility
ability to contract forcefully when stimulated
extensibility
ability to stretch without being damaged
elasticity
ability to return to an original length
fascia
dense sheet or broad band of irregular CT that surrounds muscles
epimysium
the outermost layer
perimysium
surrounds numerous bundles of fascicles
endomysium
separates individual muscle fibers from one another
tendon
cord that attaches a muscle to a bone
aponeurosis
broad, flattened tendon (attach the muscle to the structures that they move)
somatic motor neuron
neuron that stimulates skeletal muscle to contract
axon
the what of a somatic motor neuron typically branches many times
blood capillaries
each muscle fiber is in close contact with one or more of what?
number
the what of skeletal muscle fibers is set before you are born, and last a lifetime
hypertrophy
muscle growth
satellite cells
what retains the capacity to regenerate damaged muscle fibers
sarcolemma
the plasma membrane of a muscle cell
transverse tubule
what tunnels into the plasma membrane
sarcoplasm
the cytoplasm of a muscle fiber
synthesis of ATP
function of glycogen in sarcoplasm
ATP production
myoglobin releases oxygen needed for what?