Farm Animal Skeletal System Flashcards

1
Q

What are the 5 functions of the bones?

A
  • support
  • locomotion
  • protection
  • storage
  • haemopoiesis
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2
Q

What are the 6 classifications of bones?

A
  • long bones
  • short bones
  • flat bones
  • sesamoid bones
  • pneumatic bones
  • irregular bones
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3
Q

What makes up the axial skeleton?

A
  • skull
  • sternum
  • ribs
  • vertebral column
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4
Q

What are the 3 main functions of the skull?

A
  • protects the brain
  • supports sense organs
  • forms entry passage for digestive and respiratory systems
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5
Q

What are the 4 functions for the vertebral column?

A
  • still but flexible rod to support the body
  • protection of the spinal cord
  • provides sites for insertion for muscles
  • provides attachment fro pelvis and ribs
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6
Q

Where is the region of the cervical vertebrae?

A

Neck

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7
Q

Where is the region of the thoracic vertebrae?

A

Chest

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8
Q

Where is the region of the lumbar vertebrae?

A

Loin

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9
Q

Where is the region for the sacral vertebrae?

A

Pelvis - fused vertebrae

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10
Q

Where is the region for the caudal/coccygeal vertebrae?

A

Tail

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11
Q

What is the number of vertebrae in the horse?

A

Cervical 7

Thoracic 18

Lumbar 6

Sacral 5

Caudal 15-20

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12
Q

What is the number of vertebrae in the cow?

A

Cervical 7

Thoracic 13

Lumbar 6

Sacral 5

Caudal 18-20

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13
Q

What is the number of vertebrae in the sheep?

A

Cervical 7

Thoracic 13

Lumbar 6-7

Sacral 4

Caudal 16-18

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14
Q

What is the number of vertebrae in the pig?

A

Cervical 7

Thoracic 14-15

Lumbar 6-7

Sacral 4

Caudal 20-23

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15
Q

What is the structure of the sternum?

A
  • forms the centrum of thorax
  • provides the site of attachment for the costal cartilages of the ribs
  • site of origin for the pectoral muscles
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16
Q

What are the individual bones of the sternum known as?

A
  • the sternebrae
  • parts known as the manubrium, the body and the xiphoid process
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17
Q

What is the structure of the ribs?

A
  • form the lateral wall of the bony thorax
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18
Q

How many sternebrae do pigs have?

A
  • 4 sternebrae in the body of the sternum
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19
Q

How many sternebrae do horse, cow, and sheep have?

A
  • 5 sternebrae in the body of the sternum
20
Q

What makes up the appendicular Skelton?

A
  • thoracic/forelimb
  • pelvic/hindlimb
21
Q

What makes up the forelimb?

A
  • thoracic girdle (shoulder)
  • brachial (arm)
  • ante-brachium (forearm)
  • carpus (knee)
  • metacarpus (cannon/splint bones)
  • phalanges (digits)
22
Q

What bones make up the thoracic girdle?

A
  • scapula
  • clavicle
  • coracoid
23
Q

What bone make up the brachial?

A
  • humerus
24
Q

What bones make up the ante-brachium?

A
  • radius
  • ulna
25
Q

What bones make up the carpus?

A
  • carpal bones
26
Q

What bones make up the metacarpus?

A
  • metacarpal bones
27
Q

What bones make up the phalanges?

A
  • phalanges
  • sesamoid bones
28
Q

What is the structure of the ulna in the horse?

A
  • proximal shaft of the ulna is well developed but is fused to the radius
29
Q

What is the structure of the ulna in the cow, sheep and pig?

A
  • they have a complete ulna
  • there is little to no movement between the radius and ulna
30
Q

What is the structure of the distal row of carpus in the horse?

A
  • first carpal bone present is small and not weight bearing
31
Q

What is the structure of the distal row of carpus in the cow and sheep?

A
  • the first carpal bone is not present
  • the second and third bones are fused
32
Q

What is the structure of the distal row of carpus in the pig?

A
  • have all 4 bones in the distal row
33
Q

What is the structure of the metacarpals in the horse?

A
  • single large metacarpal bone which acts as a base
34
Q

What is the structure of the metacarpals in the cow and sheep?

A
  • the cannon bones is a fusion of metacarpal bones 3 and 4
35
Q

What is the structure of the metacarpals in the pig?

A
  • has 4 metacarpal bones
36
Q

What is the structure of the digits in the horse?

A
  • only has 1 digit
37
Q

What is the structure of the digits in the cow, sheep and pig?

A
  • 2 principal digits
    -digits 2 and 5 are only seen as small dew claws
38
Q

What is the hindlimb made up of?

A
  • pelvic girdle
  • thigh
  • crus (true leg)
  • tarsus (hock)
  • metatarsus (cannon/splint bones)
  • phalanges (digits)
39
Q

What bones make up the pelvic girdle?

A
  • sacrum
  • ilium
  • ischium
  • pelvis
40
Q

What bone makes up the thigh?

A
  • femur
41
Q

What bones make up the crus?

A
  • tibia
  • fibula
42
Q

What bones make up the tarsus?

A
  • tarsal bones
43
Q

What bones make up the metatarsus?

A
  • metatarsal bones
44
Q

What bones make up the phalanges?

A
  • phalanges
  • sesamoid
45
Q

What is the structure of the fibula in the horse?

A
  • has the proximal end of the fibula and a potion of the shaft
46
Q

What is the structure of the fibula in the cow and sheep?

A
  • only a vestige for the proximal end of the fibula is present
47
Q

What is the structure of the fibula in the pig?

A

-the fibula is a long thin bone extending the proximal end of the tibia to the lateral aspect of the hock