Integument And Related Structures Flashcards

1
Q

Pacinian corpuscle

A

Touch receptors in the hypodermis.

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2
Q

Meissner corpuscle

A

Touch receptors in the hypodermis.

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3
Q

Keratinocytes

A

Produce keratin which gives skin its resiliency and strength.

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4
Q

Melanocytes

A

Produce melanin pigment.

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5
Q

Merkel cells

A

Close to the nerve endings that receive sensations of touch.

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6
Q

Langerhans cells

A

Involved in allergic and cell mediated immune response in skin.

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7
Q

Vibrissae

A

Also known as whiskers.

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8
Q

Wool/secondary hairs

A

Form the undercoat.

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9
Q

Arrector pili muscle

A

Allows hair to stand up.

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10
Q

Sudoriferous glands

A

Sweat glands.

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11
Q

Sebaceous glands

A

Produce oil.

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12
Q

Ceruminous glands

A

Modified sweat glands.

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13
Q

Circumanal glands

A

Anal glands.

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14
Q

Harderian and meibomian glands

A

Glands between the toes.

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15
Q

Epidemis

A

Superficial layer.

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16
Q

Dermis

A

Underlying layer.

17
Q

Hypodermis

A

Lies beneath the skin.

18
Q

Stratum germinativum

A

Basal layer.

19
Q

Stratum spinosum

A

Spiny layer.

20
Q

Stratum granulosum

A

Granular middle layer.

21
Q

Stratum lucidum

A

Clear layer.

22
Q

Stratum corneum

A

Outermost layer.

23
Q

Sebum

A

Composed primarily of glycerides and free fatty acids.

24
Q

Apocrine glands

A

Secretions onto the hair follicles.

25
Q

Eccrine glands

A

Secretions exit onto the skin.

26
Q

Primary or guard hairs

A

Form the outer coat.

27
Q

Anagen phase in hair growth

A

Cells are added at the base of the root and hair lengthens.

28
Q

Catagen phase of hair growth

A

Period of transition.

29
Q

Telogen phase of hair growth

A

Maximum length of hair is achieved.

30
Q

Shedding phase of hair growth

A

New hair pushing old hair out of follicle.

31
Q

Shedding phase of hair growth

A

New hair pushing old hair out of follicle.