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Mammalogy > Lab 1 > Flashcards

Lab 1 Flashcards

1
Q

Hair that exhibits continuous growth

A

Angora

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2
Q

Hair that reaches a definitive length and is shed

A

Definitive

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3
Q

Long, stiff hairs, that serve as tactile receptors

A

Vibrissae

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4
Q

Hair that functions primarily for protection

A

Guard Hair

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5
Q

Hair that usually consists of short, dense undercoat

A

Under Hair

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6
Q

Glands that produce milk to nourish young

A

Mammary Glands

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7
Q

Provides pressure gradient for respiration

A

Muscular Diaphragm

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8
Q

How many chambers does a mammal heart have?

A

4

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9
Q

How many aortic arches do mammals have? what direction?

A

1, to the left

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10
Q

Opening in bone for a blood vessel or nerve

A

Foramen

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11
Q

Projection of bone

A

Process

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12
Q

Knob-shaped bump on bone

A

Condyle

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13
Q

Depression in bone for muscle attachment

A

Fossa

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14
Q

Elevated region of bone

A

Crest or ridge

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15
Q

area between zygomatic arch and cranium where eye rests

A

Orbit

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16
Q

rounded, hollow, thin-walled structure

A

Bullae

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17
Q

Opening through bone

A

Fenestra

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18
Q

Junction between two contiguous bones of the skull

A

Suture

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19
Q

5 differentiated sections of the vertebral column

A

Cervical, Thoracic, Lumbar, Sacral, and Caudal

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20
Q

Lower jaw is composed of how many pairs of Dentaries?

A

1 pair

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21
Q

How does the lower jaw interact with the cranium?

A

Dentary-squamosal jaw articulation

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22
Q

Points and bumps on crown of tooth

A

Cusps

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23
Q

Portion of tooth above gumline

A

Crown

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24
Q

side of the teeth closest to the tongue

A

lingual surface

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25
Q

side of the teeth closest to the cheek

A

Labial/buccal surface

26
Q

surface of the tooth that meets with the tooth in the opposing jaw

A

Occlusal surface

27
Q

Gap between teeth

A

Diastema

28
Q

Having 2 sets of teeth, baby and adult teeth

A

Diphyodont dentition

29
Q

Having one set of teeth

A

Monophyodont dentition

30
Q

Having teeth that vary in size, structure, and function

A

Heterodont dentition

31
Q

Chisel-like teeth that are used for gathering and gnawing

A

Incisor

32
Q

Long, unicuspid teeth that are used for gathering and holding

A

Canine

33
Q

Flattened teeth used for grinding and slicing, behind canines

A

Premolar

34
Q

Flattened teeth used for grinding and slicing, behind premolar

A

Molar

35
Q

teeth that are the same in size, structure, and function

A

Homodont dentition

36
Q

High crowned molars; allows teeth to wear down but still be useful

A

Hypsodont dentition

37
Q

low crowned molars

A

Brachyodont dentition

38
Q

primitive molar, all other molars evolved from this type

A

Tribosphenic

39
Q

Modified tribosphenic molar with crests connecting cusps

A

Lambdodont

40
Q

Upper molar has a “V” shaped crest

A

Zalambdodont

41
Q

Upper molar has a “W” shaped crest

A

Dilambdodont

42
Q

Modified tribosphenic molar containing an extra cusp giving the molar a square shape

A

Euthermorphic

43
Q

Cusps fused together to form long ridges; provides abrasive surface for grinding vegetation.

A

Lophodont

44
Q

Cusps are elongated and form ridges that are crescent shaped and longitudinally oriented.

A

Selenodont

45
Q

Quadrate molars with round cusps

A

Bunodont

46
Q

cusps are reduced to 2 major cusps that form a sharp cutting edge

A

Secodont

47
Q

A specialized secodont molar found only in the Order Carnivora

A

Carnassial Pair

48
Q

Shorthand method used my mammalogists to indicate number of teeth.

A

Dental formula

49
Q

Name the 3 middle ear bones

A

Malleus, incus, and stapes

50
Q

Derived from the articular bone in lower jaw

A

Malleus

51
Q

derived from quadrate bone found in cranium

A

Incus

52
Q

Derived from columella

A

Stapes

53
Q

Walking

A

Ambulatory

54
Q

Running

A

Cursorial

55
Q

Jumping

A

Saltasorial

56
Q

Climbing utilizing long, sharp claws

A

Scansorial

57
Q

Hand over hand swinging

A

Brachiating

58
Q

quadrapedal inverted “walk” while hanging under tree limbs

A

sloth movement

59
Q

Entire foot rests flat on the ground

A

Plantigrade

60
Q

Only phalanges rest on the ground

A

Digitigrade

61
Q

Only the distal most ends of the phalanges (Tip toe) rest on the ground

A

Unguligrade

62
Q

Columnar limbs in which each bone is positioned directly above the bone below.

A

Graviportal

Mammalogy (8 decks)

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