Ch6 Integumetry System LAB

Thin Skin

Apocrine Gland

Hair Follicle

Hair Shaft

Meissner corpuscle

hair follicle

dermal papilla

Epidermis

subcutaneous layer

sebaceous gland

free nerve ending

hair bulb

stratum granulosum

dermis

papillary layer of dermis

stratum corneum

hair bulb

dermis

stratum basale

reticular layer

palms and soles

adipose connective tissue

hair shaft

arrector pili muscle

stratum granulosum

Pacinian corpuscle

Meissner corpuscle

stratum lucidum

stratum spinosum

stratum basale

stratum lucidum

stratum corneum

hair root

thick skin

hair follicle

stratum spinosum

arrector pili muscle

sebaceous gland

merocrine gland

Secrete oil onto the hair and skin surface

Sebaceous Glands

Merocrine Glands

Responsible for sensible perspiration

Apocrine Glands

Produce a sticky, cloudy secretion and are found in the armpits nipples and groin

Meissner Corpuscle

Detect light touch sensations

Pacinian Corpuscle

Detect deep pressures and vibrations

keratin

What material gives the epidermis the ability to resist abrasion and reduce water loss?

Dendritic Cells

Which of the following helps protect skin against invading microorganisms

Hair shaft

Part of the hair that is exposed above the surface of the skin

Sebaceous Glands

produces an oily mixture to help protect skin and hair

Hair Root

part of the hair that lies below the surface of the skin

Hair follicle

tube-like structure where hair growth begins

hair bulb

rounded portion of hair that contains basal cells that undergo mitosis

arrector pili muscle

responsible for "goosebumps"

dermal papilla

finger-like projections

reticular layer

layer contains elastic and collagen fibers

subcutaneous layer

layer consists of adipose and areolar connective tissue

papillary layer

superficial layer of the dermis that contains tactile corpuscles

epidermis

layer is avascular

Hypodermis

Another name for the subcutaneous layer is?

Squamous

cells are thin flat scale like

Cuboidal

cube shaped or hexagonal

columnar

tall column like

transitional

rounded change shape with degree of stretching

blood vessels from the dermis

The cells of the epidermis receive oxygen and nutrients from?

sebaceous glands

glands that discharge an oily secretion into hair follicles are

5

While walking barefoot in the woods joe stepped on a thorn that penetrated through the sole of his foot to the dermis, how many layers of epidermis did the thorn penetrate?

epidermis dermis hypodermis

Identify the correct order of layers from the outermost to innermost layers

thin skin

found in all areas except palms of hands and soles of feet

thick skin

found in palms of hands and soles of feet

sebaceous glands

secrete in all areas except palms of hands and soles of feet

apocrine glands

secrete in the axillae,genital area,and nipple area

True

The hair follicle is made of of epidermal cells but located in the dermis

keratinized

The epidermis is made up of _____ stratified squamous epithelium

15-30 cell layers thick

Stratum corneum

stratum spinosum

Contains cells with prominent cytoskeletons

Stratum lucidum

Only present in thick skin