Average time of hair, reappearance after tweezing or waxing:
Deep, coarse, bulbous terminal hair (as on chins) - ANSWER5 to 6 weeks
Average time of hair, reappearance after tweezing or waxing:
Medium depth, terminal hair (as on side of face and body) - ANSWER6 to 7 weeks
Average time ...
Average time of hair, reappearance after tweezing or waxing:
Deep, coarse, bulbous terminal hair (as on chins) - ANSWER5 to 6 weeks
Average time of hair, reappearance after tweezing or waxing:
Medium depth, terminal hair (as on side of face and body) - ANSWER6 to 7 weeks
Average time of hair, reappearance after tweezing or waxing:
Medium depth intermediate or accelerated vellus hair - ANSWER7 to 9 weeks
Average time of hair, reappearance after tweezing or waxing:
Shallow vellus hair (downy, general face) - ANSWER8 to 10 weeks*
Ultraviolet rays from sunlight react with the amino acid ____________ found in the melanocytes and
produce melanin - ANSWERtyrosine
Generally, people of different races have approximately the same number of ______________.
People with dark skin have melanocytes that are more _________ and produce more melanin. -
ANSWERmelanocytes
active
The follicle _________ to about a third of its anagen size. - ANSWERshrinks
The ________ plays a viral role in maintaining the body's temperature and homeostasis. -
ANSWERskin
_________________ are dendritic cells in the epidermis that have an immunologic function -
ANSWERLangerhans cells
,Langerhan cells are identical to ________ ________________ and present antigens to lymphocytes
with which they interact via specific surface receptors. - ANSWERtissue macrophages
The interface between the epidermis and dermis is called - ANSWERBasement membrane zone
(BMZ)
Electron microscopic examination reveals 3 layers: - ANSWER1. lamina lucida
2. basal lamina
3. anchoring fibrils
Lamina lucida - ANSWERrelatively lucid zone transversed by delicate anchoring filaments that
connect the cell membrane of the basal cell with the basal lamina
Basal lamina - ANSWERthe basal lamina an electron- dense zone composed primarily of type IV
collagen derived from epidermal cells and anchoring fibrils
Anchoring fibrils - ANSWERwhich are thick fibrous strands, composed primarily of type VII collagen,
that complete the connection with the dermis
The BMZ - ANSWERserves as the "glue" between the epidermis and dermis and is the site of blister
formation in a number of diseases.
It appears that there are two areas of target: - ANSWERthe bulge and the bulb
The matrix and papilla house the - ANSWERbulge and the bulb
The total number of follicles is approximately _________ in men and women, and appears to be the
same in all races. - ANSWERequal
It is the activity of the ____ _______, rather than their number which determines the amount of
growing hair. - ANSWERhair follicles
, The most important hormone controlling growth are "____________" commonly known as "male"
hormones - ANSWERandrogens
The most important hormone is - ANSWERtestosterone
In the scalp, androgens cause hair to change from _______ to _____________. - ANSWERvellus to
terminal
Once _________ hair has been transformed into terminal hair, it cannot change back even if
androgen disappear.
Therefore, ____________ must be treated promptly to minimize the number of terminal hairs
induced by the excess androgens. - ANSWERvellus
hirsutism
Electrolysis should not be performed until hormonal therapy has been used fir at least.
Otherwise, it will result in an endless "chasing" of new coarse hairs throughout the body - ANSWER6
months.
Sexual hair i.e,, facial, ear, chest, abdominal, pubic and axillary, is ______________ dependent and
this hormone is primarily ______________, which is converted to dihydrotestosterone before it
becomes effective. - ANSWERhormone dependent
testosterone
In 1996, Rox Anderson - ANSWERdiscovered that it was possible to selectively target a specific
chromophore with laser to destroy hair follicles.
Stimulated emission - ANSWERphenomenon that is produced inside a laser.
When electrons are stimulated repeatedly by energy, they will force a proton to jump off in a wave
form and return to their resting state.
Amplification - ANSWERa laser beam is generated by amplification; which is stimulated emission
repeated innumerable times resulting in a laser beam.
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