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Psychology and Speacial Senses
Terminology
40
Psychology
Not Applicable
09/23/2009

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Cards

Term
Epidermis
Definition
Thin, outermost layer of skin that is the most superficial part of the epidermis consisting of dead cells filled with keratin.
Term
Melanocytes
Definition
Cell that produces melanin
Term
Dermis
Definition
Layer of skin under the epidermis. It is composed of collagen and elastin fibers. Contains arteries, veins, nerves, sebaceous glands, sweat glands, and hair follicles)
Term
Corium
Definition
Layer of skin immediately under the epidermis. A.K.A "True Skin"
Term
Apocrine Glands
Definition
Sweat glands found in the pubic and axillary regions which open into the hair follicles
Term
Hypodermis
Definition
The fatty tissue layer below the dermis of the skin
Term
Keratine
Definition
Hard protein found in the cells of the outermost part of the epidermis and in the nails
Term
Nails
Definition
Horny cell structures of the epidermis and are composed of hard keratine and consist of a body, root,and a matrix (or nailbed)
Term
Nail Bed
Definition
Pink in color that aids in the assessment of perfusion (blood flow) to the extremities and can bea a determinant of oxygenation
Term
Cuticle
Definition
Layer of dead skin that arises from the epidermis around the proximal end of the nail
Term
Lunula
Definition
Whitish half-moon visible under the proximal portion of the nail plate(the visible tip of the nail root)
Term
Hair
Definition

A covering for the body consisting of a dense growth of threadlike structures. 

(helps to prevent heat loss and each hair consists of layers of dead keratinized cells)

Term
Hair Follicle
Definition
A sac from which a hair grows and into which the sebaceous (oil) glands open. The follicle is lined by cells derived from the epidermal (outside) layer of the skin.
Term
Pilomotor Muscle
Definition
Term
Sebaceous Glands
Definition

An exocrine gland of the skin that secretes sebum.

Sebaceous glands are located in the dermis. Their ducts join with a hair and sebum coats the hair shaft as it moves toward the surface of th skin.

aka "oil glands"

Term
Sebum
Definition
Oily substance secreted by sebaceous glands
Term
Sudoriferous Glands
Definition

The sudoriferous glands are small tubular structures situated within and under the skin. They discharge sweat by tiny openings in the surface of the skin.

 (in the subcutaneous tissue).

Term
Fibroblast
Definition
Any cell from which connective tissue is created
Term
Rule of Nine
Definition
A method of estimating the extent of burns recieved by a patient
Term
First Degree Burn
Definition

Has damaged only the outer layer of skin, the epidermis

(causes pain redness without blistering)

Term
Second Degree Burns
Definition

Involve the entire depth of the epidermis and a portion of the dermis.

(causes redness, pain, and blistering)

Term
Third Degree Burns
Definition

Affect all three of the skin layers

(leathery feel, varies in color, also no pain due to receptors damaged and sebaceous glands, hair follicle, and blood vessel damage)

Term
Vesicle
Definition
A membrane bound storage sac inside a cell
Term
Fissure
Definition
Deep division on the surface of the brain and spinal cord
Term
Melanoma
Definition
A maligmant pigmented mole or tumor
Term
Lesion
Definition
Any abnormality involving any tissue or organ due to any disease or any injury.
Term
Macule
Definition
A small localized change in the color of skin that is neither raised (elevated) nor depressed
Term
Papule
Definition
 A small solid rounded bump rising from the skin AKA "pimple"
Term
Pustule
Definition

A pustule is a small collection of pus in the top layer of skin (epidermis) or beneath it in the dermis.

Pustules frequently form in sweat glands or hair follicles. Pus is a mixture of inflammatory cells and liquid.Pus filled pimples

Term
Erosion
Definition
a loss of part or all of the epidermis (the outer layer) leaving a denuded surface.
Term
Pilomotor Muscle
Definition
Attacthes to the side of each hair follicle
Term
Scale
Definition
A thin piece of the outermost layer of skin resembling a fish scale.
Term
Acne
Definition
Inflammatory condition of the sebaceous glands  and the hair follicles causes "pimples"
Term
Carbuncle
Definition

A collection of pus that forms inside the body

A skin abscess

Term
Dermatitis
Definition
Infammation of the skin
Term
Herpes Simplex
Definition

An inflammatory skin disease caused by a herpes virus(type I)

"cold sores or fever blister"

Term
Seborrhea
Definition
A chronic inflammatory disease of the skin characterized by the accumulation of scales of greasy skin.
Term
Eczema
Definition
An acute or chronic noncontagious inflammation of the skin
 "often caused by allergy and characterized by itching, scaling, and  blistering."
Term
Psoriasis
Definition
Chronic skin disease characterized by pink or dull-red lesions surmounted by silvery scaling.
Term
Skin Cancer
Definition
Is a disease in which malignant cells are found in the epidermis, which contains three kinds of cells: squamous cells, basal cells, and melanocytes.
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