Chapter 10-13 Test Flashcards
Thin vs. Thick Skin
Thin- Has hair and is smooth
Thick- No hair and Ridgid
Cell Types in Epidermis
Keratinocytes
Melanocytes
Epidermal Dendritic
Tactile Epithelial (Merkel cells)
Turnover/Regeneration time for Epithelial cells
35 days
True Skin
Deep sensitive layer of skin beneath the epidermis
Hypodermis
Located deep in the dermis and forms a connection between skin and other structures
Is the Hypodermis part of the skin?
No
Stratum Corneum
Horny layer of skin and made with dead cells (surface skin)
Papillary Layer
Composed of loose fibrous connective tissue and a fine network or thin collagenous and elastic fibres (Creates Ridges)
Skin Cancers
Basal and Squamous cell Carcinoma
Malagnant Melanoma
Kaposi Sarcoma (KS)
Purpose of Surface Film
Lubrication Hydration of skin Blockage of toxic agents Buffering of irritants Antibacterial and Antifungual activity
Hair follicles
Tiny pockets in skin before birth
Languo Hair
Fine and soft
Vellus Hair
Stronger, fine, usually less pigmented
Terminal Hair
Pubic hair, armpit
Radiation
Transfer of heat from one object to another without actual contact
Conduction
Transfer of heat to any substance actually in contact with the body