Advertisement Upgrade to remove ads


Connective tissue covering surrounding a fascicle

T Tubles

Finger like invagivations of plasma membrane


Smallest contractile unit within individual muscle fibers


Connective tissue covering surrounding the muscle


Plasma membrane of skeletal muscle fiber

Sarcoplasmic Reticulum

Stores calcium within muscle fiber


Connective tissue covering surrounding individual muscle fibers


Two terminal cisternae and a T tubule


Rod like structures within skeletal muscle fiber that contain thin and thick filaments organized into sarcomers

Synaptic vesicle

Found in synaptic end bulbs of axon terminal ;contains neurotransmitter molecules

motor end plate

Area of sacrolemma across from synaptic end bulbs of axon terminal ; contains neurotransmitter receptors

synaptic cleft

Space between synaptic end bulbs of axon terminal and sarcolemma

axon terminal

Divides into synaptic end bulbs at neuromuscular junction

synaptic end bulb

Parts of axon terminal that form neuromuscular junction

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording