SKIN

Epidermis

the outer most layer of the skin

Dermis

the layer lies beneath the outer most layer

Hypodermis

the inner most layer of the skin

Intergumentary System

the system consists of hair,skin,nail,gland

Keratin

hard protein, make your skin tough and waterproof

Melanin

the pigment provide colour to the skin, protect it form the sun

Hair follicle

the tiny pocket in the skin that holds the root of a hair and helps it grow.

Sweat gland

= ( Sudoriferous gland ) regulate body temperature by excreting water

Sebaceous gland

screting sebum to soften the skin, prevent too much water from leaving the skin, kill bacteria

Pore

a tiny opening in the skin that lets sweat or oil come out.

Acne

happen when oil becomes trapped in pores

Atopic eczema

a long-lasting skin condition that makes the skin itchy, red, dry, and inflamed

Cold sore

a painful blister near the mouth, caused by a virus.

Hives = Urticaria

itchy, red swollen patches on the skin that appear suddenly, often from allergic reactions.

Psoriasis

autoimmune disease characterized by raised areas of abnormal skin

Wheal

a raised, itchy bump on the skin, often from allergies or insect bites.

Abrasion( graze or scratch )

is a superficial (surface) injury involving only the epidermis

Contusion (bruise)

is an injury that occurs when bloop vessels in the skin are damaged.

laceration ( tear )

a wound involving both the dermis and epidermis

macule

not raised above the surface of the skin

papule

raised above the surface of the skin

Nodule

a large papule

Vesicle

filled with fluid

bulla

large vesicle

crust

dried blood on the surface of the skin

scales

thin layer of epidermis separated from the skin

cicatrix ( scar )

a mark on the skin after healingn

naevus ( birthmark )

vet bot

fleshy naevus

not ruoi

verruca ( wart )

nodule produced by HPV

furuncle ( boil )

large pustle or skin abcess