Anaphy Flashcards
(102 cards)
- keratinous filament growing out of the epidermis.
Hair
an epidermal penetration of the dermis
Hair follicle
part of the hair NOT anchored to the follicle, EXPOSED AT SKIN SURFACE
Hair shaft
lies BELOW surface of skin
Hair root
layer of mitotically active basal cells
Hair matrix
hair root end deep in the dermis , surrounds the hair papilla
Hair bulb
made of connective tissue, blood capillaries, nerve endings
Hair papilla
- SURROUND ROOT of GROWING HAIR
Internal root sheath
- EXTENSION of EPIDERMIS, ENCLOSES HAIR ROOT
External root sheath
- THICK CLEAR CONNECTIVE TISSUE, COVERS HAIR ROOT
Glassy membrane
- cells divide rapidly at the root of the hair
Anagen
- HAIR FOLLICLE ACTIVE GROWTH
Catagen
- HAIR FOLLICLE AT REST
- NO NEW GROWTH
Telogen
TIP OF FINGERS AND TOES ), RICH IN BLOOD VESSELS
Nail bed
FORMS ON NAIL BED ), FARTHEST EXTREMITIES, FORMS BACK SUPPORT FOR PICKING OBJECTS, COMPOSED OF DENSELY PACKED DEAD KERATINOCYTES
Nail body
MATRIX OF PROLIFERATING CELLS FROM STRATUM BASALE
Nail Root
OVERLAPS NAIL ON SIDES FOR ANCHORING NAIL BODY
Nail fold
EPONYCHIUM
Nail cuticle
LITTLE MOON )
Lunula
FURTHEST FROM CUTICLE
Hyponychium
genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes.
Albinism
- melanocytes in certain areas lose their ability to produce melanin, possibly due to an autoimmune reaction.
Vitiligo
cause the accumulation of bile and the yellow pigment bilirubin, leading to the skin appearing yellow or jaundiced
Liver Cancer
secretion of large amounts of melanocyte-stimulating hormone (MSH), which results in a darkening of the skin.
Tumor of Pituitary Gland