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Chapter 6: Skeletal Muscles
n/a
16
Anatomy
Undergraduate 1
10/03/2012

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Cards

Term
three types of muscle
Definition
smooth, cardiac, skeletal
Term
skeletal muscle cells
Definition
myofibers/fibers, multinucleate[image]
Term
contraction
Definition
use of myofilaments: actin and myosin
Term
a motor neuron innervates____
Definition
each fiber
Term
sarcomere
Definition
unit of contraction
Term
sarcolemma
Definition
plasma membrane
Term
sarcoplasm
Definition
cytoplasm
Term
sarcoplasmic reticulum
Definition
smooth ER in muscle cell
Term
endomysium
Definition
collagen type 3 mesh surrounding muscle fibers
Term
origin vs insertion bone
Definition
unmovable, movable 
Term

facial muscles: cranial nerve VII

obicularis (oris, oculi), risorius, buccinator, platysma (jaw to breast)

Definition
[image]
Term
arm muscle innervation
Definition
brachial plexus
Term

diaphragmatic muscles innervation

 

Definition

respiratory: phrenic nerve

intercostals: intercostal nn

pelvic and urogenital: pudendal

Term
scapula muscles' innervation
Definition
accessory nerve (CN XI)
Term
thigh muscle innervation
Definition
lumbosacral plexus nn
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