Stages of hair growth
The active growing stage of hair
What is the anagen phase?
Degree of coarseness or fineness of the hair
What is texture?
Portion of hair inside the hair follicle under the skins surf
What is the hair root?
Round, dry patches of skin, covered with rough, silvery scales
What is psoriasis?
Progressive shrinking and miniaturization of scalp follicles
What is androgenetic alopecia?
This phase is brief, lasting only a few weeks?
What is catagen?
Number of active hair follicles per square inch on the scalp
What is density?
Portion of hair that extends above the skin’s surface
What is the hair strand?
Red, circular patch of small blisters; caused from vegetable parasites
What is tinea?
Sudden loss of hair in round or irregular patches
What is alopecia areata?
This phase is the “resting” stage and has no attached root sheath
What is the telogen phase?
Hair damaged from chemical services; cuticles are very raised
What is extreme porosity?
Supplies nourishment to the germinal matrix
What is the papilla?
Oily flakes combine with sebum; stick to scalp in clusters
What is pityriasis steatoides?
Premature shedding of the hair during the resting phase
What is telogen effluvium?
Lasts 2-6 years and has an attache root sheath
What is the anagen phase?
The hairs ability to absorb moisture, liquids and chemicals
What is porosity?
Cell division takes place and cells that form the layers of the hair are produced
What is the germinal matrix?
Dry flakes which can appear translucent
What is pityriasis capitis simplex?
The layer of hair that has a majority of pigment/melanin
What is the cortex?
Hair enters a transitional phase and cell division stops
What is the catagen phase?
Hair with lightened ends and natural roots
What is uneven porosity?
Cluster of cells that need nourishment to grow fully into a fully developed hair follicle
What is the primitive hair germ?
Red, watery vesicles; animal parasite burrowing under the skin
What is scabies?
Form bundles of pigment protein complex that rest near the bulbs nourishment center, the dermal papilla
What is melanocytes?