OSTEO COMPARA Flashcards

APPENDICULAR (92 cards)

1
Q

Four regions of the forelimb.

A

Shoulder, Upper arm(brachium), Forearm(antebrachium), Manus (Carpals)

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2
Q

Spine fades out distally. Trapezius tubercle
(spinal tuber/deltoid tubercle) present. What animal?

A

Horse

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3
Q

What animal when scapula bone is distinctly triangular. Spine sinuous,
dividing lateral surface into unequal fossae.

A

Ox/Sheep

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4
Q

What animal if prominent trapezius tubercle is
overhanging infraspinous fossa.

A

Pig

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5
Q

When the spine bisects lateral surface and distinct acromion. What animal?

A

Dog

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6
Q

Determination of Side of Scapula: (2 parts for cranial and lateral)

A

Spine is lateral, tuber scapulae is cranial

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7
Q

It is absent in horse and pig

A

Acromion

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8
Q

A bony enlargement of the scapular spine only found in horse and pig, although poorly developed in cat and ox

A

Spinal Tuber

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9
Q

A narrow band in the dog; broad thin structure in horse, ruminants and pigs

A

Scapular Cartilage

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10
Q

A caudal projection of acromion; distal end of spine can be called the acromion or hamate (L.hooked) process

A

Suprahamate process

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11
Q

Forms a join with the scapula in birds and higher primates

A

Clavicle

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12
Q

Clavicle is represented by (?), a connective tissue band within the braciocephalicus muscle in quadrupeds.

A

Clavicular tendon

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13
Q

a separate, non-articulating bone only seen radiographically in this animal

A

Cat

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14
Q

A rudimentary structure embedded in the brachiocephalic muscle, rarely seen radiographically in this animal.

A

Dog

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15
Q

Clavicleis absent in these animals

A

Horse and ruminants

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16
Q

(Supraglenoid tubercle in carnivores fuse by 8 months of age)
(Supraglenoid tubercle and cranial glenoid cavity fuse in a year)
(Dorsal border of scapula which fuses at 3 years)

A

Secondary ossification centers

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17
Q

Can be mistaken for a bone in the esophagus on lateral radiographs in cats.

A

Clavicle

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18
Q

When bicipital groove is divided by a ridge, what animal.

A

Horse

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19
Q

Has a massive lateral tuberosity that overhangs bicipital groove

A

Ox/Sheep

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20
Q

Has a lateral tuberosity that almost converts bicipital groove into foramen

A

Pigs

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21
Q

Has a single lateral tuberosity. Coronoid olecranon fossae communicate through supratrochlear foramen.

A

Dogs

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22
Q

Determination of Side in Humerus

A

Crest-Lateral, Head-Posterior,Medial

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23
Q

Hole between the olecranon and radial fossa found in (?) and sometimes in pigs; nothing passes through it

A

Supratrochlear fossa, in Dogs

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24
Q
A
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25
Opening in the medial epicondyle present only in (?); the median nerve and brachial vessels pass through it
Supracondylar foramen, in Cats
26
A prominence in the (?) intertubercular groove
Intermediate tubercle, Horses
27
It is divided into cranial and caudal parts in ungulates
Greater tubercle
28
When Ulna is fused 2/3 of the way down shaft of the radius, hence Radius is longer than Ulna. What animal
Horse
29
Ulna is complete, projects distally beyond the radius as the styloid process, ulna is longer. What Animal
Ox
30
Ulna not necessarily fused, extremely slender, ulna is longer. What animal
Sheep
31
Ulna is massive, articulates with radius and ulnar carpal, ulna is longer. What animal
Pig
32
Ulna never fuses, olecranon has trituberculate summit and ulna is longer. What animal
Dog
33
Determination of side in AnteBrachium:
In Radius : Radial Tuberosity is medial In Ulna: Olecranon process is inclined laterally
34
Fused with radius in horse and ruminants, hence these animals cannot supinate or pronate their forearm
Ulna
35
Not fused in carnivores and pigs, allowing for pronation and supination
Ulna
36
Distal epiphysis of the (?) ulna is fused with the radius and in essence become part of the radius
Styloid process of Ulna, in horses
37
Skeleton of Manus consists of:
Carpus, Metacarpus, Digits
38
R-I-U-A (1)-2-3-4-(5) Total of 8 bones
Horse
39
R-I-U-A 2/3 - 4 total of 6 Bones
Ruminants
40
R-I-U-A 1 - 2 - 3 - 4 Total of 8 bones
Pig
41
R/I - U - A 1 - 2 -3 - 4 Total of 7 bones
Dog and Cat
42
Terminal segment of the manus
Digital region
43
Mammalian manus is comprised of how many digits, and how many phalanges per digit?
Five digits, 3 phalanges
44
Has 3 metacarpals, 1st and 5th are missing 3rd MC is functional and called cannon bone 2nd and 4th are vestigial and termed splint bones What animal
Horse
45
Splints usually end distally in small swelling that are called
buttons of the splint
46
In the 3rd digit of the Horse, it consists of 3 phalanges, what are they?
Long pastern: Proximal phalange (1) Short pastern: Middle phalange (2) Coffin Bone: Distal phalange (3)
47
how many sesamoid bones on the main weight bearing digit of a horse?
Two
48
Distal sesamoid bone is also called?
Navicular Bone
49
MC 3 and 4 are weight bearing, and is the cannon bone 5th MC is vestigial. 4 digits are present which 3 and 4 are functional, 2 and 5 are dewclaw. What animal is this?
Ox/ Sheep
50
How many sesamoid bones on weight bearing digits of Ox/Sheep
3 sesamoid bones, 2 proximal and 1 distal
51
Has 4 MC, MC 1 is missing, MC 2 and V are greatly reduced and dont bear weight, 3 and 4 is the functional weight bearing metacarpals. What animal
Pig
52
how many sesamoid bones on weight bearing digits of Pigs?
2 proximal and 1 distal
53
How many sesamoid bones on dewclaw of Pigs
2 proximal sesamoid bones
54
They have 2 principal digits: the 3rd and 4th digits.
Ruminants and Pig
55
What digits are represented only by the small dewclaws at the back of the pastern?
2nd and 5th digits
56
What animal has more fully developed dewclaws as digits
Pigs
57
5 MC, 1 MC is reduced and bears no weight, a part of the dewclaw. What animal
Dog
58
Digits 2-4 has 3 phalanges and is the main weight-bearing digits, what animal
Dog
59
It possesses only two phalanges in the digit of this animal?
Digit I
60
How many sesamoids on 4 main digits of the dog
2, proximal and distal
61
The 1st digit and 1st metacarpal bone in carnivores
Dew claw
62
What animal is when the dew claw or 1st digit is reduced in size having only two phalanges
Carnivores
63
In these animals, D2 and D5 are non-weight bearing and is called a dew claw
Farm animals like pig and ruminants
64
Also called the os coxae, the largest flat bone in the body
Hip bone
65
Hip bone or os coxae consists of three parts:
Ilium, Ischium, Pubis
66
Includes the os coxae of either side
Pelvic girdle
67
Bony pelvis includes:
Pelvic girdle, sacrum, Caudal 1 and 2
68
Also called hook in (?)
Tuber coxae in ox
69
Pin bone in (?)
Ischiatic tuberosity in Ox
70
This animal has a gluteal line in the wing of ilium
Horse
71
3 prominences on sciatic tuber, obturator foramen is wide and sharp medially, pelvic symphysis has distinct ventral ridge. What animal is this
Ox
72
Addition to ox, long axes of ilium and ischium form nearly straight line. What animal
Sheep
73
The wing of ilium is divided into two fossae by distinct gluteal line, what animal
Pig
74
This animal has distinctly concave wing of ilium
Dog
75
Concave pubic floor Pelvic outlet large angle of inclination of inlet is greater Obturator foramen is bigger Conjugated foramen is bigger Transverse foramen is greater
Female pelvic girdle
76
Pubic thick medially Pubic floor convex Pelvic outlet is small
Male pelvic girdle
77
The large prominence on the medial ridge of the patellar surface in the (?)
Trochlear tubercle in Horse
78
It is absent in ruminants
Third trochanter
79
Two small sesamoid bones embedded in the heads of the gastrocnemius muscle of the carnivore
Fabellae
80
Shouldnt be mistaken for a chip fracture in radiographs
Sesamoid bone of the popliteal tendon in carnivores
81
In these animals, it attaches the medial patellar ligament with the patella
Patellar fibrocartilage in horses and ox
82
Determination of side in Femur
Head:Medial Trochlea: Distal and Anterior
83
Tibia and fibula are not fused in these animals
carnivores and pig
84
Head of fibula fuses to the tibia, most of the body of the fibula fails to develop, therefore there is no interosseous space between the proximal and distal fibula, the distal end of the fibula remains separate from the tibia. What animals are these
ruminants
85
The fibula is a reduced bone that reaches only half way down the tibia, the true distal end of the fibula is fused with the tibia. What animal
Horses
86
Determination of sides in Tibia and fibula
Tibial crest:Anterior Fibula articuulates laterally
87
T-F-C 1/2 - 3 - 4 Total of six bones
Horses
88
Total of 5 bones T- F - C/4 1 - 2/3
Ruminants
89
Total of 7 bones T - F - C 1 - 2 -3 -4
Pig/Dog
90
1st MT is even more reduced than in front limb, 1st digit is often absent, what animal
Carnivores
91
In these animals, the 5th MT is absent, a metatarsal sesamoid bone is present and is often called the small metatarsal or MT II
Ruminants
92