Anatomy

Front 1

osteon composed of

Back 1

layers of lamellar bone surrounding a central canal

Front 2

important bone fxns include

Back 2

1. support of pelvic organs
2. protection of brain
3. mvmt of limbs
4. protection of skin

Front 3

endosteum

Back 3

membrane that lines the medullary cavity

Front 4

osteoblasts

Back 4

cells that produce bone matrix

Front 5

after a fracture what happens

Back 5

hemorrahage and hematoma

Front 6

abduction

Back 6

moves away from the midline

Front 7

Achilles tendinitis

Back 7

inflammation of the Achilles tendon caused by excessive stress

Front 8

adduction

Back 8

moves toward the midline

Front 9

adhesion

Back 9

a band of fibrous tissue that holds structures together abnormally and can form im muscles or internal jorgans as the result of an injury or surgery

Front 10

anticholinergic

Back 10

medication administered to control spasmodic activity of smooth muscle, such as those of the intestines; also known as an antispasmodic

Front 11

ataxia

Back 11

the inability to coordinate muscle activity

Front 12

atonic

Back 12

lacking normal muscle tone or strength

Front 13

atrophy

Back 13

weakness of wearing away of body tissues and structures caused by pathology or by disuse over a long period of time

Front 14

atropine

Back 14

an antispasmodic medication that may be administered properatively to relax smooth muscle

Front 15

bradykinesia

Back 15

extreme slowness in movement

Front 16

circumduction

Back 16

circular movement of a limb at the far end

Front 17

flexion

Back 17

a movement that decreases the angle of the joint and brings two bones closer together

Front 18

extension

Back 18

a movement that increases the angle, or the distance, between two bones

Front 19

rotation

Back 19

a movement of bone around a longitudinal axis

Front 20

abduction

Back 20

moving a limb away from the midline of the body

Front 21

adduction

Back 21

moving a limb toward the midline of the body

Front 22

rectus adominus

Back 22

a muscle named for the direction of muscle fibers

Front 23

gluteus maximus

Back 23

a muscle named for its relative size

Front 24

zygomaticus

Back 24

a muscle named for its location

Front 25

sternocleidomastoid

Back 25

a muscle named for the location of origin and insertion

Front 26

deltoid

Back 26

a muscle named for its shape

Front 27

adductor

Back 27

a muscle named for its action

Front 28

endomysium

Back 28

connective tissue enclosing each muscel fiber

Front 29

perimysium

Back 29

connective tissue enclosing several muscle fibers

Front 30

fascile

Back 30

bundle of muscle fibers

Front 31

epimysium

Back 31

connective tissue binding many fasciles together to form entire muscle

Front 32

specialized smooth ER that stores calcium

Back 32

sarcoplasmic reticulum

Front 33

What is a sarcomere?

Back 33

a unit of muscle cell from z disc to z disc

Front 34

complex organelle composed of bundles of myofilaments

Back 34

myofibril

Front 35

plasma membrane of a skeletal muscle cell

Back 35

sarcolemma

Front 36

the junction between the neuron and the muscle cell

Back 36

neuromuscular junction

Front 37

gap between the nerve ending and muscle cell membrane

Back 37

synaptic cleft