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41 terms

Chapter 6: the Skeletal System part 3

The Appendicular Skeleton
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Scapula
a large triangular bone on the side of the thorax; shoulder joint
Clavicle
A slender bone that connects the sternum to the scapula; collarbone
Humerus
The long bone of the proximal front limb; brachium
Antebrachium
The radius and ulna are the two bones of the forearm or distal front limb
Radius
The cranial bone of the front limb
Ulna
The caudal bone of the front limb
Olecranon
Form the point of the elbow; the proximal projection of the ulna
Carpal bones
Irregularly shaped bones in the area known as the "wrist" in people; in small animals (carpus), in large animals (knee)
Metacarpal
Bones found distal to the carpus
Splint bones
The vestigial metacarpal and metatarsal bones od a horse's leg
Cannon bones
The large metacarpal and metatarsal bones of the horse
Phalanges
The bones of the digits; one bone of the digit is called phalanx
Dewclaw
A toe that does not reach the ground (ex., first digit in dogs and cats and the rudimentary medial and lateral toes of cattle)
Ungulates
Animals with hooves
Fetlock joint
Joint between metacarpal (metatarsal) III and the digit
Appendicular skeleton
The bones of the limbs (appendages)
Pastern joint
The joint between the P1 and P2
Coffin joint
The joint between P2 and P3
Long patern bone
P1 in livestock
Short pastern bone
P2 in livestock
Coffin bone
P3 in livestck
Claw
P3 in nonhooved animals
Declaw
In cats, a surgical procedure to remove the claws; medical term is onychectomy
Sesamoid bones
Small nodular bones embedded in a tendon or joint capsule
Navicular bone
The distal sesamoid bone of a horse
Pelvis
The most proximal bony structure of the pelvis limb; also called the os coxae or hip
The pelvis consist of three pairs of bones. What are they?
Ilium, Ischium, and pubis
Ilium
The most cranial of the three pairs of bones that make up the pelvis
Ischium
The caudal of the three pairs of bones that make up the pelvis
Pubis
The smallest and most medial of the three pairs of bones that make up the pelvis
Acetabulum
the socket portion of the ball and socket hip joint
Femur
The proximal long bone of the rear leg; thigh bone
Condyles
A large, rounded articular (joint) surface (ex., the distal ends of the humerus and femur
Patella
A large sesamoid bone in the rear limb.
Stifle Joint
Joint that houses the patella
Tibia
The main weight-bearing bone of the lower leg
Fibula
A thin bone located besides the tibia in the lower leg region of the pelvic limb
Crus
THe area of the rear limb between the stifle and hock
Tarsal bones
Irregular shaped bones found in the area known as the "ankle" in people; in small animals (tarsus) and in large animals (hock)
Calcaneus
The long, lateral tarsal bone located in the proximal row of tarsal bones
Metatarsal
Bones found distal to the tarsus