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General Zoology (Lec) > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

Respond differently to heat and nervous state and respond to emotional and sensory stimuli.

A

Sweat Glsnds

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2
Q

Found in the skin of mammals and these glands secrete sebum.

A

Sebaceous Glands or Oil Glands

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3
Q

Are involved in skin problems such as acne and keratosis pilaris.

A

Ceruminous Glands

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4
Q

Are organs that, in the female mammal, produce milk for the substance of the young.

A

Mammary Glands

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5
Q

Act as protective plates over the fingertips and toes.

A

Nails

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6
Q

Are found in ungulate mammals.

A

Hoofs

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7
Q

A cylinder of horny material that surrounds and protects the tip of the toe.

A

Hoofs

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8
Q

Horns are made of an outer ___________ layer.

A

Keratinized

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9
Q

Antlers are made of?

A

Bone

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10
Q

Hair consists of the _____, which grows and rises above the skin surface.

A

Shaft

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11
Q

Hair also consists of the root, which is located in the small _____ within the derma thickness and is anchored into a hair ________.

A

Fossa, Follicle

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12
Q

Characterized as amphibians, reptiles, aves, and mammals.

A

Tetra pods

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13
Q

Are transitional between aquatic and terrestrial vertebrates.

A

Amphibians

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14
Q

Amphibians’ epidermis - Stratified with thin stratum _______ and very little keratin; ______ cells.

A

Stratum Corneum, Leydig Cells

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15
Q

Amphibians’ epidermis - With chromatophores, poison glands, and mucous glands. Composed of fibrous __________ tissues.

A

Connective Tissues

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16
Q

Pigment bearing cells.

A

Chromatophores

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17
Q

Poison glands produces toxins.

A

Serous Glands

18
Q

Reptiles’ dermis - Deeper layer of _________ tissue with a rich supply of blood vessels and nerves.

A

Connective Tissue

19
Q

Gas exchange and produce watery substance that makes them slimy and protect them against predator.

A

Mucous Glands

20
Q

Reptiles’ epidermis - Consists of up to _ layers of closely packed cells.

A

7 layers

21
Q

The skins of bony fishes contains ______.

A

Scales

22
Q

Concentic ridges sclaes (ex: milkfish).

A

Cycloid Scales

23
Q

Scales with spines or ctenii.

A

Ctenoid Scales

24
Q

Rhomboid shaped scales.

A

Ganoid Scales

25
Q

Extinct fishes dermal armor (type of scale).

A

Comoid Scales

26
Q

Scales with spines directed caudally (ex: sharks, skates).

A

Placoid Scales

27
Q

The skin is covered with horny teeth-like scales and on the jaws these are modified to form teeth (fishes).

A

Cartilaginous

28
Q

Does epidermis coves scales?

A

No

29
Q

The simplest of all fishes and vertebrates.

A

Jawless Fish

30
Q

Consists of simple columnar cells and thin layer of connective tissue (vertebrate or invertebrate integument?).

A

Invertebrate Integument

31
Q

Integumentary system consists of the skin, the feather, and the appendages (claws and beak).

A

Birds

32
Q

Some invertebrates possess ________ that are highly variable structure.

A

Cuticles

33
Q

Is composed of keratinized, stratified squamous epithelium.

A

Epidermis

34
Q

It is made of four or five layers of epithelial cells, depending on its location in the body. It is avascular.

A

Epidermis

35
Q

Might be considered the “core” of the integumentary system.

A

Dermis

36
Q

It contains blood and lymph vessels, nerves, and other structures, such as hair follicles and sweat glands.

A

Dermis

37
Q

It is made of two layers of connective tissue that compose an interconnected mesh of elastin and collagenous fibers, produced by fibroblasts.

A

Dermis

38
Q

Also called the subcutaneous layer or superficial fascia.

A

Hypodermis

39
Q

Is a layer directly below the dermis and serves to connect the skin to the underlying fascia (fibrous tissue) of the bones and muscles.

A

Hypodermis

40
Q

Consists of well-vascularized, loose, areolar connective tissue and adipose tissue, which functions as a mode of fat storage and provides insulation and cushioning for the integument.

A

Hypodermis

41
Q

What are the 5 layers of a mammal’s epidermis?

A

Stratum Corneum, Stratum Lucidum, Stratum Granulosum, Stratum Spinosum, Stratum Basale

General Zoology (Lec) (18 decks)

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