Ziering Medical Glossary

Bonding In hair parlance, the agent [ usually an adhesive ] that is used to fix or secure in place a hair system [ e.g. a hair piece ] unto the surface of the scalp.

Bulge Area Located in the central region of the hair shaft in the outer root sheath near the insertion of the erector pili muscle, the bulge is a collection of cells, many of which are stem cells, that assist and facilitate the regeneration of the hair shaft as part of its metabolic cycle.

Camouflage Spoken of in terms of hair, camouflage may refer to a technique in surgical hair transplantation in which the placement of small grafts (micrografts or follicular units) in and around larger ones is utilized to create a more natural appearance of the transplanted hair in this area. Camouflage is also a strategy utilizing hair cosmetics or SMP [ scalp micropigmentation ] to obscure or minimize the detectability of thinning

Catagen The intermittent stage of the hair growth cycle between the actively growing (anagen) and resting (telogen) phases of the hair growth cycle. During this transitional phase, the follicle stops producing hair and the base of the hair follicle begins to move upwards through the dermis. This phase typically lasts 2-4 weeks in humans.

Central Forelock A term in the hair transplant industry that refers to a region of the scalp situated anteriorly and centrally which is viewed as an important area cosmetically as hair situated here ‘anchors’ the frontal zone. Located centrally and extending from the hairline edge posteriorly within the frontal zone, it’s import can be understood conceptually by appreciating a hair transplant technique has been designed solely to re-create an isolated