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Directions

100

Dorsal

Towards the back

200

Distal

farther from any point of reference

300

Caudal

towards the hind end

400

Medial

towards the middle or median

500

Lateral

towards the side

Muscles

100

Rectus abdominis

This muscle forms the floor of the muscular abdominal wall.

200

Sarcomere

These shorten during muscle contraction

300

Semimembranosus

This muscle helps to extend the hip joint and flex the stifle

400

Skeletal muscle

This is also called voluntary, striated muscle.

500

Smooth muscle 

These cells do not have a striped appearance under the microscope. 

Bones

100

Tibia

Distal hind limb

200

Ulna

distal front limb

300

Sternum

breastbone

400

Phalanx

any of the principle bones of a digit

500

Coffin joint

distal interphalangeal joint of phalanx II and III in equine and ruminants

Spine

100

Skull

Attaches to the top of the spine.

200

Cervical

neck vertebrae

300

Thoracic vertebrae

Chest region

400

Lumbar vertebrae

lower back

500

Coccygeal vertebrae

tail

Movement

100

Adduct

to draw toward a center or median line

200

Abduct

to draw away from an axis or the median plane

300

Extension

the joint movement that increases the angle between two bones

400

Flexion

the joint movement that decreases the angle between two bones

500

Rotation

movement of the limbs around their long axis