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LBYBIO3 > Skeleton - Mammals > Flashcards

Skeleton - Mammals Flashcards

1
Q

Has reduced neural spines and transverse processes

A

Last thoracic vertebrae

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2
Q

Ribs that are independently attached to the breastbone

A

True ribs

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5
Q

Fits into the ring of the atlas, allowing the turning of the head; centrum of atlas in reptiles

A

Odontoid process

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7
Q

Consist of a bony vertebral rib and a cartilaginous sterna rib or costal cartilage

A

Ribs

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8
Q

Condition wherein both centrum ends are flat

A

Amphiplatyan

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9
Q

Occur in the cervical vertebrae of ungulates

A

Opisthocoelous centra

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10
Q

Outer ends articulate with the tubercula of the ribs

A

Diapophyses

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11
Q

Hypocentrum

A

Median ventral region

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12
Q

How many lumbar vertebrae?

A

7

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13
Q

Small, slender bones imbedded in muscle (pectoral girdle)

A

Clavicles

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14
Q

Fused diapophysis and rib

A

Pleurapophyses

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15
Q

Supports the hind limb

A

Sacrum

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17
Q

How many thoracic vertebrae in cat?

A

13

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18
Q

Homologous to hypocentra of reptiles

A

Invertebral cartilages

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19
Q

2nd carpale

A

Lesser multiangular

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20
Q

Where the spinal nerves pass out from the spinal cord

A

Invertebral foramina

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21
Q

Hypocentra in reptiles

A

Chevron bones

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22
Q

Triangular in form w/ an apex articulating with the humerus

A

Scapula

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23
Q

1st sternebrae that articulates w/ the 1st thoracic rib at its center

A

Manubrium

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24
Q

Constitute the body of the sternum

A

2nd-7th sternebrae

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25
Q

Occupies neural canal

A

Spinal cord

26
Q

Part of the caudal vertebrae that consists only of centra

A

Last vertebrae

27
Q

Serve as points of muscle attachment (forelimb)

A

Ridges or crests

28
Q

Sesamoid bone (bone formed in a tendon)

A

Pisiform

29
Q

How many sternebrae are there in the cat?

A

8

30
Q

Articulates with the trochlea of the humerus

A

Semilunar notch

31
Q

Triquetral bone

A

Ulnare

32
Q

1st carpale

A

Greater multiangular

33
Q

4th and 5th carpale fused

A

Hamate

34
Q

5 digits whose terminal phalanges support the horny claws

A

Metacarpals

36
Q

What comprises the innominate bone or hip bone

A

Ilium + ischium + pubis

37
Q

What does the ischiac and pubic symphysis consist of in real life?

A

Cartilage

38
Q

Serves to receive one end of the clavicle

A

Acromion process

39
Q

Meets at the acetabulum

A

Ilium, ischium, pubis

40
Q

Sere for muscle attachments (hind limb)

A

Greater and lesser trochanter

41
Q

How many ankle bones do cat have?

A

7

42
Q

Consists of 4 long metatarsals and 1 rudimentary one

A

Sole

43
Q

Articulates with the sacrum

A

Ilium

44
Q

Largest and most conspicuous ankle bone

A

Calcaneus or fibulare

45
Q

Ankle bone that articulates with the malleoli of the tibia and fibula

A

Astralugus or talus

46
Q

1 or 2 centralia (ankle bone)

A

Navicular or scaphoid

47
Q

Ankle bone articulating w/ the 4th and 5th metatarsal

A

Cuboid

48
Q

3rd tarsale; articulating w/ 3rd metatarsal

A

Third or lateral cuneiform

49
Q

2nd tarsale; articulating w/ 2nd metatarsal

A

Second or intermediate cuneiform

50
Q

Gait of cat

A

Digitigrade

51
Q

Describe the terminal phalanges

A

Beak shaped = support horny claws

52
Q

Where the bases of the claws fit

A

Sheaths at the bases of the soles

53
Q

1st tarsale; articulates w/ 1st metatarsal

A

First or medial cuneiform

54
Q

3rd carpale

A

Capitate

55
Q

Articulates with the distal end of the radius

A

Scapholunar

57
Q

Last sternebrae that terminates in a xiphoid or ensiform cartilage

A

Xiphisternum

58
Q

False ribs that are unattached

A

Floating ribs

LBYBIO3 (9 decks)

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