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ZOOT 1100 Prelims > Integumentary System > Flashcards

Integumentary System Flashcards

1
Q

consists of layers of dead, flattened cells

A

Stratum corneum

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2
Q

layer of mitotically active cuboidal or columnar cells

A

Stratum basale

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3
Q

is a tiny bundle of smooth muscle fibers that extends from the deep portion of the hair follicle at an angle toward the epidermis

A

Arrector pili muscle

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4
Q

Epidermal growths that form the distinctive outer covering, or plumage.

A

Feather

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5
Q

consists of spindle-shaped cells containing basophilic kerato-hyalin granules (keratinocytes).

A

Stratum granulosum

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6
Q

Hornlike growths on the medial sides of horses’ limbs

A

Chestnuts

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7
Q

Small projections of cornified epithelium in the center of the palmar (plantar) part of the fetlock of the horse

A

Ergots

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8
Q

consists primarily of loose connective tissue and lobules of fat; contains larger blood vessels and nerves than those found in the dermis.

A

Hypodermis

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9
Q

the drying and hardening of the superficial cells; renders the surface of the skin tough and resistant to drying.

In epidermis

A

Keratinization and cornification

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10
Q

long stiff hairs with specialized innervation that renders them effective as organs of touch

Type of hair

A

Tactile hairs

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11
Q

variably present, comprises cells that are poorly stainable

A

Stratum lucidum

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12
Q

primarily consists of dense irregular connective tissue and cushions the body from stress and strain; contains mechanoreceptors and thermoreceptors; contains hair follicles, sweat glands, sebaceous glands (oil glands), apocrine glands, lymphatic vessels, nerves and blood vessels

A

Dermis

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13
Q

Formed over the cornual process, a bony core that projects from the frontal bone of the skull soft type of horn, covers the surface of the horn at the base.

A

epikeras

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14
Q

Accessory digits, Do not bear weight and as a rule have little clinical significance.

A

Dewclaws

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15
Q

Fleshy growth or crest on the top of the head of gallinaceous birds, such as turkeys, pheasants, and domestic chickens fleshy caruncle hanging from various parts of the head or neck in several groups of birds and mammals.

A

Comb and Wattle

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16
Q

the outer layer of skin, is an avascular stratified squamous epithelium that is nearly free of nerve endings.

A

Epidermis

17
Q

the dermis of hoofs and horns

A

Corium

18
Q

modification of the epidermis

A

Hair follicle

19
Q

External anatomical structure of birds that is used for eating and for preening, manipulating objects, killing prey, fighting, probing for food, courtship and feeding young.

A

Beak

20
Q

are classified as holocrine glands because their oily secretory product, sebum, is produced by disintegration of epithelial cells within the glands.

A

Sebaceous glands

21
Q

also called the undercoat, which are fine and often curly

Type of hair

A

Wool hairs

22
Q

surrounds the internal root sheath, is continuous with the epidermis, and gives rise to the sebaceous glands that are associated with hair follicles.

A

External epithelial root sheath

23
Q

which form the smooth outer coat

Type of hair

A

Guard hairs

24
Q

intimately covers the root of the hair and is continuous with the epithelial cells covering the dermal papilla.

A

Internal epithelial root sheath

25
Q

thin, waxy layer that covers the outside of the hoof

A

Periople

26
Q

at its center, surrounded by a scaly cortex, outside of which is a thin cuticle.

A

Medulla

27
Q

has a spiny appearance because of its desmosomes (intercellular bridges) connecting adjacent cells.

A

Stratum spinosum

28
Q

the connection between hoof wall and corium is characterized by interdigitating sheets of hoof wall and corium

A

Laminae

29
Q

Variable amounts of fat, are present in the hypodermis, with species dependent distribution and relative abundance.

In hypodermis

A

panniculus adiposus

30
Q

An erectile, fleshy protuberance on the forehead of turkeys

A

Snood

31
Q

is a local increase in thickness in response to continuous trauma.

In epidermis

A

Callus

32
Q

base of the follicle where living cells divide and grow to build the shaft.

A

Hair bulb

33
Q

Part of the hoof in contact with the ground

A

Sole

33
Q

Part of the hoof in contact with the ground

A

Sole

34
Q

Deep to the bulb of the hoof is a shock-absorbing modification of the subcutis

A

Digital Cushion

35
Q

proximal to the carpus

A

Front chestnuts

36
Q

slightly distal to the hocks

A

Hind chestnuts

ZOOT 1100 Prelims (7 decks)

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