The Appendicular Skeleton Ch 3 Flashcards

1
Q

The appendicular Skeleton

A

Composed of the bones of the limbs

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2
Q

Scapula (shoulder blade)

A

A large triangular bone on the side of the thorax

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3
Q

Clavicle (collar bone)

A

A slender bone that connects the sternum to the scapula

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4
Q

Vestigial or Rudimentary Clavicle

A

Degenerate, atrophied or undeveloped collar bone

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5
Q

What species don’t have clavicles?

A

swine, ruminants and equine

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6
Q

Humerus (Brachium)

A

The long bone of the proximal front limb

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7
Q

Antebrachium

A

The region of the radius and the ulna

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8
Q

Ante

A

Before

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9
Q

Radius

A

The cranial bone of the front limb

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10
Q

Ulna

A

The caudal bone of the front limb

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11
Q

Olecranon

A

The proximal projection of the ulna that forms the point of the elbow (some species have a fused radius and ulna

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12
Q

Carpal Bones

A

Irregularly shaped bones in the area known as the wrist in people

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13
Q

Carpus

A

The joint in the area known as the wrist in people (in small animals)

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14
Q

Knee

A

The joint in the area known as the wrist in people (in large animals)

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15
Q

Metacarpals

A

Bones found distal to the carpus (Identified by numbers from medial to lateral)

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16
Q

Meta

A

beyond

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17
Q

Splint bones

A

When metacarpals (and metatarsals) II and IV do not articulate (connect) with the phalanges (in horses)

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18
Q

Interosseous Ligament

A

The ligament that attaches the splint bones to the large third metacarpal (or metatarsal) bone (the cannon bone)

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19
Q

Cannon Bone

A

The large third metacarpal (or metatarsal) bone

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20
Q

Ruminant

A

An animal (such as a cow or sheep) that has more than one stomach and that swallows food and then brings it back up again to continue chewing it

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21
Q

Phalanges

A

The bones of the digit (numbered from proximal to distal). Plural form of phalanx

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22
Q

Phalanx

A

One bone of the digit (Digit 1)

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23
Q

Digits

A

The bones analogous (related or similar) to the human finger and vary in number in animals. Cloven-hoofed animals, such as ruminants or swine, have 3 phalanges in their digits with the distal-most (p3) encased in the hoof. Equine species have one digit (digit III). Within that digit are 3 phalanges.

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24
Q

Dewclaw

A

Digit 1 of the dog

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25
Ungulates (uhng-yoo-latz)
Animals with hooves
26
Dewclaws of ungulates
The vestigial digits of the cloven hoofed animals. Animals with cloven, or split hoof, have digits III and IV and digits II and V are vestigial.
27
Fetlock Joint
The joint between metacarpal (metatarsal) III and the proximal phalanx
28
Pastern Joint
The joint between P1 and P2
29
Coffin Joint
The joint between P2 and P3
30
Long pastern bone
The common name for P1 (Phalangeal bone 1) in livestock
31
Short pastern bone
The common name for P2 (Phalangeal bone 2) in livestock
32
Coffin Bone
The common name for P3 (Phalangeal bone 3) in livestock
33
Claw
Phalanx 3 in non-hooved animals
34
Onych/o (combining form)
Claw
35
Onychectomy
In cats, a surgical procedure to remove the claws (declaw)
36
Sesamoid Bones
Small nodular bones embedded in a tendon or joint capsule
37
Navicular Bone
Common name for the sesamoid bone in horses located inside the hoof on the palmar or plantar surface of P3
38
Pelvis (hip)
Consists of three pairs of bones: ilium, ischium, and pubis
39
Ilium
The largest pair and is blade shaped bone of the pelvis
40
Sacroiliac Joint
Found in the pelvis and formed by the ilium articulating with the sacrum
41
Ischium (ish-ke-uhm)
The caudal pair of bones in the Pelvis
42
Pubis
The ventral pair of bones that are fused on midline by a cartilaginous joint on the pelvic bone
43
Pubic symphysis
Cartilaginous (cart-til-i-jin-ous) joint that fuses the two the ventral pair on bones (the pubic bones) called the pubis together - crotch
44
Acetabulum (ass-eh-tab-bule-um)
The large socket of the pelvic bone that forms where the three bones meet - ilium, ischium, and the pubis (head of the femur) Forms the ball and socket joint with the femur
45
Hooks and pins (in cattle)
Points of the ilium and ischium
46
Femur (or thigh bone)
The proximal long bone of the rear leg
47
Femoral Head (head of the femur)
Connected to a narrow area called the femoral neck
48
Femoral Neck
A proximal part of the femur (a narrow area below the head of the femur)
49
Trochanter (s)
Large, flat, broad projections on a bone
50
Condyle (s)
Rounded projection
51
Patella (knee cap)
A large sesamoid bone in the rear limb
52
Knee
The joint between the femur and tibia (NOT A BONE)
53
Stifle Joint
The joint that houses the patella
54
Popliteal (pop-lit-e-a-l)
Sesamoid bone is the rear limb and on the caudal surface of the stifle
55
Tibia
One of the distal long bones of the rear limb. Of the two distal long bones it is more weight bearing
56
Fibula
Long slender bone (distal long bone)
57
Crus
The area of the limb between the stifle and hock (lower leg)
58
Tarsal Bones
Irregularly shaped bones found in the ankle area
59
Tarsus / Hock (joint)
The area known as the ankle in people which includes the tarsals. Tarsus = small animal (joint) Hock = large animals (joint)
60
Talus
One of the tarsal bones. Shorter medial bone located in the proximal row of tarsals
61
Calcaneus (cal-kay.knee-us)
The long, lateral tarsal bone located in the proximal row of tarsal bones
62
metacarpals
Front ankle part
63
Metatarsals
Back ankle part
64
Vertebral Formulas for species
Dogs and cats: C=7, T=13, L=7, S=3, Cy=6-23 Equine: C=7, T=18, L=6 (or L=5 in weird arabians) S=5, Cy=15-21 Bovine: C=7, T=13, L=6, S=5, Cy=18-20 Pigs: C=7, T=14-15, L=6-7, S=4, Cy=20-23 Sheep and goats: C=7, T=13, L=6-7, S=4, Cy=16-18 Chicken: C=14, T=7, LS=14, Cy=6 (lumbar and sacral are fused)