Anatomy : Chapter 3 (Integumentary System Skin)

Sweat Glands

Dermal gland used to regulate body temp

Sebaceous Glands

Gland that secretes sebum(Oil) from the dermis

3 types of epithelial tissue : Cutaneous

Visible skin

3 types of epithelial tissue : Serous

Skin lining the body cavities and organs

3 types of epithelial tissue : Mucous

Skin that lines all body openings

Cutaneous Membrane Layers : Epidermis

Outer most layerof the skin, providing a protective barrier.

Keratin

Holds dead skin cells together and makes skin water proof

Melanocytes

Secrete a black pigment called Melanin

Cutaneous Membrane Layers : Dermis

Second layer, that supports all working parts of the skin

Collagen

Holds dermis together and gives it elasticity

Sebaceous Glands

Secrete oil to keep skin lubricated

Arrestor peli muscles

Pulls hair upright

Cutaneous Membrane Layers : Subcutaneous

Fat layer, composed of lipocytes

• Provides insulation

• shock absorber

• stores water

• provides energy

Cuticle

Fold of skin that covers nail bed

Lesions on the body : Papule

Firm raised lesion less than 0.5 cm

Lesions on the body : Macule

Flat, discolored lesion less than 1 cm

Lesions on the body : Vesicle

Fluid-filled blister less than 1 cm; Blisters

Lesions on the body : Wheal (Hives)

Transient raised lesions of irregular shape with a light center

Lesions on the body : Pustule

Elevated lesion filled with pus

Abrasion

Skin scraped away by friction

Abscess

Collection of pus under the skin

Psoriasis

Chronic inflammatory condition forming a silvery scale (Autoimmune)

Kaposi Sarcoma

Form of cancer associated with AIDS

Albino

Genetic condition caused from lack of melanin

Vitiligo

A skin condition characterized by loss of pigmentation, leading to white patches on the skin.

Alopecia

Loss of hair of any kind

Burns : 1st degree

Epidermis only

Burns : 2nd degree

Epidermis gone, the dermis is burning; Blisters

Burns : 3rd degree

Epidermis and dermis are destroyed, affecting deeper tissues; may appear white or charred.

Extent : Rule of nine

A method to assess the total body surface area affected by burns, dividing the body into sections, each representing approximately nine percent.

Diagnostic Procedures : Biopsy

A medical procedure that involves removing a sample of tissue for examination under a microscope to diagnose disease, including cancer.

Therapeutic Procedures : Cryosurgery

A treatment method that uses extreme cold to destroy abnormal tissues, such as warts or precancerous cells, often performed in dermatology.