Integumentary system
36 flashcards · Biology · by ISAAC REEMTSMA
Function
Protection, Secretion, Temp regulation, prevent water loss, sensory, excretion, biochemical synthesis
Serous membrame
Abdominal/Chest cavity membrane. Watery Fluid. LACK OUTSIDE OPENINGS
Mucous Membranes
Have an outside opening. Mouth and nose. Digestive, respiratory, and urinary systems.
Cutaneous Membrane
skin
Synovial
Lines joints
Epidermis
Outermost layer. Stratified Squamous
Dermis
Middle Layer. Thicker. Connective tissues
Basement membrane
dermis and epidermis
Subcutaneous layer
Loose connective and adipose tissue. Not truly skin.
Keratinocytes
Cells producing keratin
Keratinization
Process of keratinocytes hardening
Is the epidermis avascular?
yes
All skin layers in order
Stratum (repeat this word) basale spinosum granulosum lucidum corneum
Melanin
Skin Pigment. Produced by melanocytes. Causes skin color
Eumalanin
Dark melanin
Pheomelanin
yellow melanin
Albinism/white hair.
No melanin
Dermal Pappilae
Fingerprint ridges
Dermis structures
Nerve fibers Sensory receptors Hair follicles Sebaceous and sweat glands
Rule of nine
Body is divided into 11 areas each having 9% surface area plus 1% in genital area.
ABCDE RULE
Cancer Rule
Hair follices
Tube like depression for hair to develop. In both epidermis and dermsi
Arrector Pili
Muscle Goosebump
Sebaceous Glands
Oily Secretion producer
Apocrine
smelly sweat gland. Oily. Armpit/Genitals
Eccrine
Not smelly sweat gland. Almost everywhere
Alopecia
Loss of hair
Athletes foot
Fungal Infection
Eczema
Scaly Rash
Mole
Fleshy pigmented skin tumor
Psoriasis
Chronic skin disease. Silver Scales, red patches.
Shingles
Viral infection of spinal nerves
Wart
Raised Area caused by viral infection
Vitiligo
Loss of melanocytes in epidermis producing whitened area of skin
Impetigo
Weep fluid. Raised lesions. Yellow crust. Contagious
Cold sores
Herpesvirus 1. Blisters- Itch and sting