study skin model

Dermal Papillae

Increase surface area for exchange of gases, nutrients, and waste between the epidermis and dermis.

Pore

Allows sweat and oil to be released onto the skin's surface.

Hair Shaft

The visible part of hair that extends beyond the skin and helps with protection and sensation.

Sebaceous (Oil) Gland

Produces sebum to keep skin and hair moisturized.

Blood Vessels

Supply oxygen and nutrients to skin cells and remove waste.

Arrector Pili Muscles

Contract to make hair stand up, causing 'goosebumps.'

Pacinian Corpuscle

Detects deep pressure and vibration in the skin.

Hair Follicle

Anchors the hair and supports its growth.

Sweat Gland

Produces sweat to regulate body temperature and excrete waste.

Adipose Tissue

Stores fat for insulation and cushioning.

Epidermis

The outermost layer of skin that provides a protective barrier.

Dermis

The thick middle layer containing nerves, glands, and blood vessels.

Pain Fiber Nerve

Detects and transmits pain signals to the brain.

Hypodermis

The deepest layer of skin that provides insulation and connects the skin to muscles and bones.