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Chapter 10 B
Muscular System
16
Anatomy
Undergraduate 1
03/26/2014

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Term
intrinsic muscle
Definition
Muscle entirely contained within a particular region, having both its origin and insertion there
Term
extrinsic muscle
Definition
Muscle that acts upon a designated region but has its origin elsewhere
Term
innervation
Definition
Nerve supply to an organ
Term
rectus sheath
Definition
Fibrous sleeve enclosing the rectus abdominis
Term
linea alba
Definition
Bertical brivrous strip separating the rectus adbominis into right and left halves
Term
inguinal ligament
Definition
Aponeurosis that extends from the pubis to the anterior superior spine of the ilium
Term
perineum
Definition
Diamond shaped region between the thighs bordered by the pubic symphysis, coccys, and ishial turberosities
Term
urogenital triangle
Definition
Anterior half of the perineum
Term
anal triangle
Definition
Posterior half of the perineum
Term
superficial perineal space
Definition
Layer of pelvic floor just deep to the skin
Term
urogential diaphragm
Definition
Middle layer of pelvic floor
Term
pelvic diaphragm
Definition
Deepest layer of pelvic floor
Term
rotator cuff
Definition
Tendons of the infrapinatus, supraspinatus, subscapularis, and teres minor
Term
hernia
Definition
Condition in which the viscera protrude through a weak point in the muscular wall of the abdominopelvic cavity
Term
carpel tunnel syndrome
Definition
Condition characterized by inflamed, swollen, or fibrotic tissue in the wrist
Term
tongue
Definition
The only muscle in the body with an origin and no insertion
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