Overall Flashcards

1
Q

What are the main 9 traits of a mammal?

A

Vertebrates, Warm blooded, Hair, 4 Heart, Single jaw bone, Sweat glands, Mammary glands, Live young, Three inner ear bones

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2
Q

What is the acronym for skin functions?

A

PREPS

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3
Q

Characteristics of the dermis?

A

1/5 papillary (connective tissue, elastic) 4/5 reticular (dense connective, elastic, collagen) Attached to epidermis by basement membrane, Sensory perception

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4
Q

What is the hypodermis?

A

Layer loose connective tissue

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5
Q

Function of hypodermis?

A

Separated dermis, Permits skin movement

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6
Q

What is the hypodermis made out of?

A

Fibroblasts, adipocytes, macrophages

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7
Q

Skin types of reptiles, birds, mammals?

A

Thick, dry - Thin lipogenic - Thick, waterproof

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8
Q

Epidermis of reptiles, birds, mammals?

A

Keratinous - Thin - 5 layers

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9
Q

Shedding of reptiles, birds, mammals?

A

Ecdysis - Moult - Slough

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10
Q

Glands of reptiles, birds, mammals?

A

Few femoral - Few uropygial - Sebaceaous sudiferous

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11
Q

Cells of reptiles, birds, mammals?

A

Chromatophores, Pigments feathers, Melanophores

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12
Q

3 types of mammalian hair?

A

Guard, Wool, Tactile

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13
Q

What are guard hairs?

A

Smooth outer coat

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14
Q

What are wool hairs?

A

Fine and curly

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15
Q

What are tactile hairs?

A

Long and stiff common on face

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16
Q

What oil do hairs make?

A

Lanolin form sebaceous glands

17
Q

Characteristics of hoof, claws, nails?

A

Grow from base, Same plan

18
Q

What is the word for hoofed animals?

A

Ungulates, hoof develops on distal phalanx