Integumentary System | HAP | PRELIMS

The integumentary system's main functions are..?

What is the largest organ in the body..?

This layer of the skin has no blood vessels

A stratified squamous keratinized epithelium

Protective cells that ingest bacteria and other foreign debris.

The hypodermis is made out of adipose tissues

Less melanin will result to a darker skin complexion

These are 90% of epidermal cells

This cell of the epidermis aids in tactile reception(touch)

8% of epidermal cells

The outermost layer of the epidermis

Keratinocytes migrating from the underlying stratum spinosum becomes granular cells in this layer

Is a thin and clear layer of dead cells

Langerhan's cells are the most abundant at this layer

Keratinization begins in this layer

This layer of the skin is known as the "true skin" and is composed of dense collageenous connective tissue

This region contains the individuals' fingerprints and footprints

This layer of the dermis contains Meissner's corpuscles which allows sensation for temperature and pressures.

Composed of dense collagenous irregular connective tissue

Consists of loose connective tissues and elastin, and contains about half the stored fat

Is a shock absorber, insulation to conserve body heat

These factors affect the color of the skin EXCEPT

Brown-black pigment produced by the melanocytes

This is caused by lack of melanocytes

There is normal melanocytes but lacks enzyme tyrosinase that converts the amino acid tyrosine to melanin

Acquired from contraction of facial muscles

Acquired lines found on the palms

Acquired lines seen on knuckles

Thick, hairless skin forming the surfaces of the palms, and soles

Thick, hairy skin covering a greater part of the body

This part of the hair below the skin

Visible but dead portion of hair projecting above the surface of the skin

is the growth zone of the hair

______ have more obvious hairr because of the harmone "testorone"

Fine, silky fetal hair that appears during the last trimester of development

Grows to a certain length, and examples of these are eyelashes, pubic hair, and axillary hair

Simple, branched acinar gland and produces sebum, an oily white substance

Simple, coiled, tubular glands

Has minimal activity before puberty

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