the Integumentary systems

THE INTEGUMENTARY SYSTEM

Billion Years4.56,987,000,000Humans:

Process of Evolution

BacteriaVitamin D productionBody temperature

Cutaneous membraneThe Integumentary SystemMade up of two parts:

SkinNailsAccessory structuresCarpet >>>

2 square meters4.5 Kilograms

EpedermisDermisHypodermis

Sun B`

Epidermis The outermost Layer of the skin

Stratum corneumStratum lucidumStratum granulosumStratum spinosumStratum basale

Or Basal Layer Melanocytes

Melanocytes

keratinocytes

You Inhale human dead skin cells.

Merkel Cells

Epidermis

Squamous Cell

Squamous Cell Merkel CellBasal LayerMelanocytes CarcinomaCarcinomaCarcinomaMelanoma

Squamous Cell Carcinoma

Squamous Cell Carcinoma

Basal Layer Carcinoma

Epidermis Dermis Basement Membrane

Dermis

GlandsNervesBlood vessels Hair follicles

Collagen

Subcutis Subcutaneous Layer(Hypodermis)

Subcutaneous Injection

Hypodermic needle

Subcutis Adipose Tissue-body fat

White Adipose Tissue Brown Adipose Tissue

NEXT REPORTER: MelatoninKeratinHair and Nails Diseases

Thank You!