Hair may vary considerably in length, width, quantity, and distribution of follicles depending on its type and location on the human body. The two main types of hair are terminal hair and vellus hair. Terminal hairs are normally thicker and longer, with hair shaft diameters greater than 0.06 ...
Summary This chapter contains sections titled: Anatomy and physiology Alopecia Abnormalities of the hair shaft Excessive growth of hair [1-3] Hair... A. G. Messenger,D. A. R. de Berker,R. D. Sinclair - John Wiley & Sons, Ltd 被引量: 222发表: 2010年 Relating structure and function of...
Hair Shaft:Hair is the outer shaft of keratin material, the part that we all identify as hair conventionally. 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 ...
Know the three regions of the hair shaft MedullaCortexCuticles Be able to name the type of hair found on scalp and eyebrows Terminal Hair Know the name of the smooth muscle associated with hair (goosebumps) Arrector pili Be able to name the "common" name for the eponychium of the nail ...
but may spread upward and start a colony around the navel. Sometimes the color of pubic hair may not match the color of the hair elsewhere on your body. In some cases, people shave some or all of this hair away for various reasons. According to scientists, the only known purpose of pub...
hair shaft - The part of the hair that is above the skin. hair erector muscle - a muscle is connected to each hair follicle and the skin - it contracts (in response to cold, fear, etc.), resulting in an erect hair and a "goosebump" on the skin. melanocyte - a cell in the epid...
The mons pubis is a tissue mound made up of fat located directly anterior to the pubic bones. This mound of tissue is prominent in females and is usually covered in pubic hair. The mons pubis functions as a cushion during sexual intercourse. The mons pubis also contains sebaceous ...
Hair follicle Tubelike depressionnformednby epidermal skin cells Hair bulb What do the epidermal cells of the hair follicle form? Cells divide and become keratinized and die How is the hair shaft formed? Eumelanin What kind of pigments does dark hair have? Pheomelanin What kind of pigment doe...
hairs of pili flexible strands produced by hair follicles that consists largely of dead, keratinized cells hairs contain hard keratin in order to make it more tough and durable and to prevent individual cells from flaking off shaft The region that projects from the follicle ...
The pelvis is made of a bony girdle that has a central canal. Its structure must be strong enough to transfer the weight of the body from the spine to the femurs, and yet it must have a large enough opening to allow for a term fetus to be delivered through it. There are three separ...