A&T Chapter 16 Skin Flashcards
Sweat Glanda
Sweat, a watery secretion
Sebaceous Glands
Sebum
What does sebum do?
Lubricates the skin
What does sweat do?
Cool the body
Epidermis
A thin cellular membrane layer; containing keratin
Lacks blood vessels, lymph vessels and connective tissue and depends on the dermis layer for nutrition.
Dermis
Dense fibrous connective tissue layer; containing collagen
Located directly below the epidermis. Composed of blood, lymph vessels and nerve fibers. As well as accessory organs; hair follicles, sweat glands, & sebaceous glands all supported by collagen
Subcutaneous Layer
Thick fat containing layer
Stratified squamous epithelium
In the outer most layer of the skin the cells are arranged in several layers to form SSE
Basal Layer
Is the deepest layer of the epidermis. The cells are constantly growing and are the source of all the other cells in the epidermis
The top layer of the epidermis is called?
Stratum corneum
Melanocytes
Located in the basal layer. Contain the pigment called melanin. The number of melanocytes in all humans is the same, but the amount of melanin in the cell accounts for differences in color.
Albinos
Individuals incapable of producing any pigment
Subcutaneous Layer
Below the dermis and epidermis (which are the cutaneous layers). Adipocytes are predominant in this layer
Hair
Tightly fused network of cells filled with keratin.
Onycholysis
Loosening of the nail plate with separation from the nail bed
Apocrine sweat glands
One of the large dermal exocrine glands located in the Achilles and genital areas. It secretes sweat that, in action with bacteria, is responsible for human body odor
Eccrine sweat gland
Most numerous of sweat producing glands
Myc/o
Fungus/fungi
Mycosis
Ex. Tinea pedis
Onych/o
Nail
Onycholysis. Separation of nail from nail plate
Pil/o
Hair
Py/o
Pus
Rhytid/o
Wrinkle
Ungu/o
Nail
