Skin, Hair And Nails
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Where and what is occurring for cell division?
Cells go through rapid mitosis. This occurs in the stratum germinitavum
Where and what is occurring for keratinisation?
Stratum granulosum, cells become hard, flat, keratinised cells.
Composition of sebaceous layer?
Small sac-like organ
Where and what is occurring during desquamation?
Keratinized cells are sloughed off. This occurs in the stratum coreneum.
Sudoriferous glands structure
Two types of glands that produce sweat
Cortex, structure and function
Structure, makes up most of hairs bulk. Function, gives hair strength, holds colour pigment.
Medulla, structure and function
Structure, innermost part of the hair. Function gives hair its shine.
Hair cuticle, structure and function
Structure, outside layer of hair, made of hard, flattened, over lapping scales. Function, protects inner layers of hair.
Function of sebum (fatty substance)
Holds in moisture.
Cause of melanocyctic or pigmented cellular navei
Genetic/sun exposure
Impetigo cause
Bacterial
Tinea corporis cause
Fungal
Herpes cause
Viral
Appearance of pterygium
Excess cuticle attaches to nail bed as it grows
Appearance of onychylosis
Nail plate that separates from the nail bed.
Appearance of onychylosis
Nail plate that separates from the nail bed.
Appearance of leukonychia
White spots on the nail plate.
Appearance of onychocryptosis
Nail plate that has grown into the side of the nail wall.
Onchomycosis cause
Fungal!
Conjunctivitis appearance!
Redness, irritated and pus sometimes present at the site of infection (eye)