The anatomy of the hair and scalp is unique and different from the other regions of the body. This text will outline the practical anatomy of the hair follicle, the layers of scalp, the neurovascular supply, and the lymphatic drainage of the scalp. The pictures and illustrations will simplify...
The skin of the scalp is thick, hair bearing, and contains numerous sebaceous glands. As a result, the scalp is a common site for sebaceous cysts. Connective tissue (superficial fascia) The superficial fascia is a fibrofatty layer that connects skin to the underlying aponeurosis of the occipito...
The scalp is the anatomical area composed of soft tissue layers that cover the skull. Scalp defects may be partial or full thickness and can be acquired or (less frequently) congenital. Direct edge approximation or local flaps provide hair-bearing skin and are, therefore, the preferred options....
Head: Think skull, face, and hair. We've got words like cranium, mandible, and maxilla for the bones, forehead, eyebrow, and chin for the face, and scalp for the hair. Torso: This is where things get interesting! We've got the chest (also known as the thorax), ...
The rational evaluation of hair disorders requires familiarity with follicular anatomy. Hair structure can be easily examined by studying clipped hair shafts, entire hairs gently pulled or forcibly plucked from the scalp, and scalp biopsies (sectioned vertically or transversely). Anatomic features will ...
Follicle:The root of the hair is called a follicle and is the part buried under the skin. It is the follicle that produces the hair shaft. Follicular Unit:Hairs are not arranged singly in the scalp but are grouped in units consisting of one, two, three, four, or even more hair. A ...
Home Hair Replacement Surgery Chapter AnatomyChapter pp 2–20 Cite this chapter Hair Replacement Surgery Pierre Bouhanna & Jean-Claude Dardour 123 Accesses Abstract The embryological origin of the hair is twofold: — Ectodermal: the hair itself and the pilo-sebaceous follicle — Mesodermal: the...
Surgery in the upper third of the face, whether reconstructive or cosmetic, is considered to involve at least one of three regions: the central forehead, the hair-bearing scalp, and the temporal regions. Anatomy must be reviewed in the context of the eyebrow-forehead-temple continuum. Although...
The bottom or deepest layer of the skin. Contains mainly fat and other structures like hair follicles, nerve endings, and blood vessels (present in small numbers). All these three significant layers vary significantly in their anatomy and function. ...
Hair Color - like skin created by type and amount of pigment in melanocytes- no pigments = white hair- trichochromes = red hair Hair Growth - cycle of growth and rest- resting stage- old hair falls out when new hair is formed in next growth stage- scalp hair grows for 2-6 years (...