Health Science 5

Epidermis :

The most superficial layer of the skin. It is avascular.

Image: Epidermis

Dermis :

Lies immediately below the epidermis. It is much thicker than the epidermis.

Hypodermis/Subcutaneous :

Lies immediately below the dermis. It is technically not skin but is a layer of support tissue and consists of adipose and loose connective tissue.

Image: Hypodermis/Subcutaneous

Sebaceous Gland :

An exocrine gland in the dermis or subcutaneous layer that produces oil (sebum).

Sudoriferous Glands :

Sweat glands which are located in the dermis with their ducts opening onto the epidermis.

Melanin :

One factor that determines skin color. It is a yellow to brownish black pigment found in some parts of the body such as the skin, retina, and hair.

Image: Melanin

Keratin :

a fibrous protein forming the main structural constituent of hair, forms nails, protects skin

Image: Keratin

Epi : Outer, above

Hypo : below, under, low

Follicle :

Structure in the dermis of the skin from which a strand of hair grows.

Papilla :

Contains capillaries that nourish the hair follicle

Hair Root :

Portion of hair below the skin

Hair Shaft :

the portion of the hair that projects beyond the skin

Arector Pili Muscle :

Attaches to the follicles and stands hair up aka goose bumps

Stratum Germanitivum :

2nd epidermal layer, contains papillae

Stratum Corneum :

1st (outermost) epidermal layer

Cortex :

Outer layer of the hair shaft

Athlete's : Foot

very contagious

Dermatitis :

Inflammatory condition of the skin

Acne Vulgar :

Common acne inflammatory condition of the sebaceous glands of the skin.

Herpes :

viral diseases causing eruptions of the skin or mucous membrane

Eczema :

Noncontagious skin rash that produces itching, blistering, and scaling

Impetigo :

a contagious bacterial skin infection forming pustules and yellow, crusty sores.

Psoriasis :

a skin disease marked by red, itchy, scaly patches.

Ringworm :

Contagious fungal infection with raised circular patches

Scabies :

A contagious skin disease that is caused by the itch mite, which burrows under the skin.

Basal Cell Carcinoma :

Most common type of skin cancer

Squamous Cell Carcinoma :

Second most common type of skin cancer. More aggressive

Malignant Melanoma :

Most serious form of skin cancer, originates from melanocytes. Very aggressive, no cure

Macule :

flat, colored spot on the skin

Papule :

Small, solid skin elevation

Ulcer :

open sore on the skin or mucous membrane

Vesicle :

small collection of clear fluid; blister

Wart :

a small, hard, benign growth on the skin, caused by a virus.

Burns :

Tissue damage and cell death caused by heat, electricity, UV radiation, or chemicals

Perspiration :

Salty fluid secreted by sweat glands, bacteria causes odor

Alopecia :

very short, transparent hair and/or Hair loss

Genital Herpes :

Virus that produces painful blisters in the genital area of males or females. Can be passed to newborn during birth.

Subcutaneous Layer :

The layer of fat and connective tissues below the dermis of the skin.

Sebum :

Oily substance secreted by sebaceous glands

Rule of nine's :

measures the percent of the body burned

Decubitus :

Pressure ulcer/bedsore

Term

SKIN :

Location

Image: SKIN

Term

HAIR :

Location

Image: HAIR