A&P Chapter 9 Flashcards

1
Q

A flattened structure at the end of each finger and toe made of keratin from the epidermis

A

Nail

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2
Q

Burns that involve the epidermis and a portion of the dermis; also called second-degree burns

A

Partial-Thickness Burns

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3
Q

Referring to under the skin

A

Hypodermic

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4
Q

A protein in the skin that is responsible for the strength and permeability of the epidermis

A

Keratin

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5
Q

Thread-like, keratin-containing appendage of the outer layer of the skin

A

Hair

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6
Q

Burns that involve the hypodermis and possibly bone, muscle, or internal organs; also called full-thickness burns

A

Third-Degree Burns

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7
Q

Glands that produce sebum and are located in the dermis of the entire body, except for the palms and soles

A

Sebaceous Glands

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8
Q

An injury in which the involved body part has lost its outer layer of skin or mucous membrane because it has been rubbed or scratched off

A

Abrasion

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9
Q

Sweat glands that produce a solution containing salt and urea that is secreted directly onto the surface of the skin through sweat pores

A

Merocrine (Eccrine) Glands

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10
Q

The outer layer of the epidermis, which contains about 25 layers of dead cells that continuously shed as new cells push upward

A

Stratum Corneum

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11
Q

Burns that involve the epidermis and a portion of the dermis; also called partial-thickness burns

A

Second-Degree Burns

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12
Q

Granules within the stratum lucidum that are formed from keratohyalin and are eventually transformed to keratin

A

Eleidin

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13
Q

The portion of the nail over which the nail body lies

A

Nail Bed

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14
Q

Pores in the skin through which sweat is secreted

A

Sweat Pores

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15
Q

The result of heat or other thermal injury to the skin

A

Burns

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16
Q

The layer of epidermis between the stratum granulosum and the stratum germinativum that contains cells known as keratinocytes, which synthesize the keratohyalin, a precursor of keratin

A

Stratum Spinosum

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17
Q

A whitish, crescent-shaped structure at the base of the nail body

A

Lunula

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18
Q

Tubelike structures in which hairs develop; they extend from the skin surface into the dermis

A

Hair Follicles

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19
Q

Wound made by a sharp instrument that passes through the skin, affecting all tissues in its path

A

Penetrating Wound

20
Q

The inner layer of the skin, containing hair follicles, sweat glands, nerve endings, and blood vessels; located immediately above the hypodermis

A

Dermis

21
Q

A condition of the skin resulting from the inability to synthesize melanin

A

Albinism

22
Q

Material produced by sebaceous glands that contains a combination of fatty material and cellular debris

A

Sebum

23
Q

The innermost layer of epidermis

A

Stratum Germinativum

24
Q

Breaks in the integrity of the integumentary system

A

Wounds

25
Q

The layer of soft tissue immediately below the dermis; also called the hypodermis

A

Subcutaneous Layer

26
Q

The layer of epidermis between the stratum lucidum and the stratum spinosum that is composed of flattened cells that contain granules of keratohyalin

A

Stratum Granulosum

27
Q

Burns involving only the epidermis; also called first-degree burns

A

Superficial Burns

28
Q

The portions of hair that extend above the skin

A

Hair Shafts

29
Q

Burns involving only the epidermis; also called superficial burns

A

First-Degree Burns

30
Q

The superficial, outer layer of the skin that contains numerous nerve vessels, but no nerve endings; acts as the body’s first line of defense

A

Epidermis

31
Q

The cells in the epidermis that produce a protein called keratin

A

Keratinocytes

32
Q

The body’s external surface, including the skin, nails, hair, and sweat and oil glands

A

Integumentary System

33
Q

A precursor of keratin that is located in the stratum granulosum of the epidermis

A

Keratohyalin

34
Q

A smooth cut, usually made by a sharp object such as a scalpel

A

Incision

35
Q

A wound with a smooth or jagged edge, resulting from a tearing, scraping, or sharp cutting action

A

Laceration

36
Q

Epidermal cells that contribute to skin color by producing a dark pigment called melanin

A

Melanocytes

37
Q

Coiled tubular glands that usually open into hair follicles of the axillae and genitalia, as well as around the anus

A

Apocrine Glands

38
Q

The layer of tissue immediately beneath the dermis; also called the subcutaneous layer

A

Hypodermis

39
Q

The first inner layer of the epidermis, it is readily visible in the thick epithelium of the palms of the hands and the soles of the feet

A

Stratum Lucidum

40
Q

Glands that secrete sebum; also called sebaceous glands

A

Holocrine Glands

41
Q

A wound in which flaps of the skin and tissue are torn loose or pulled off completely

A

Avulsion

42
Q

The dark pigment in skin that protects the skin from the sun’s ultraviolet rays

A

Melanin

43
Q

A thin, noncellular layer of ground substance lying under epithelial surfaces that separates the epidermis from the areolar tissue of the adjacent dermis

A

Basal Lamina

44
Q

Cell structures specialized for cell-to-cell adhesion

A

Desmosomes

45
Q

Completely cutting or tearing off of a body part

A

Amputation

46
Q

Muscle attached at the base of the hair that pulls the hair perpendicular to the surface of the skin in cold or threatening situations

A

Arrector Pili Muscle

47
Q

Burns that involve the hypodermis and possibly bone, muscle, or internal organs; also called third-degree burns

A

Full-Thickness Burns