IBEC Flashcards
(304 cards)
Keratinization
Process of living cells moving upward and changing to dead cells
What is the largest organ on the body?
Skin
What are the three main layers of the skin?
Epidermis, Dermis, Subcutaneous
What are the layers of the epidermis?
Stratum corneum, Stratum luciderm, Stratum granulosum, Stratum spinosum, Stratum germinativum (basal layer)
What are the 2 layers of the dermis?
Papillary and Reticular layer
What layers does the horny zone contain?
The first 3 layers of the epidermis
What layers does the Germinal zone contain?
Last 2 of the epidermis
Where does mitosis occur?
Stratum germinitivum
What layer is only in the palms of hands and soles of feet?
Stratum luciderm
What layer are the langerhan cells in?
Stratum spinosum
What does the papillary layer contain?
Collagen and reticular fibers, Messner corpuscle
What does the stratum germinitivum layer contain?
Melanocytes, Merkel cells, Mitosis
What shape are collagen and reticular fibers?
Cone shaped
What does the reticular layer contain?
Dense bundle of collagen and elastin, Pacinian corpuscle, Arrector pili muscle, glands and hair follicle
Merkel
Lightened
Meissner
Touch
Pacinian
Deep pressure
What are the 3 sensory glands?
Merkel, Meissner, Pacinian
What are the two most important things of the sub dermis?
80% adipose tissue, gives body its smoothness
What are the two sweat glands?
Eccrine, Apocrine
Eccrine gland
Sweat gland that is everywhere
Apocrine gland
Located in genital area and axilla; excretes pheromones
What system is the sudoriferous glands controlled by?
Sympathetic nervous system
Sebaceous gland
Oil gland