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Anatomy of hair Diagram of the hair shaft, indicating medulla (innermost), cortex, and cuticle (exterior.) The medulla is the innermost layer of the hair shaft. This nearly invisible layer is the most soft and fragile, and serves as the pith or marrow of the hair. Some mammals don't have a medulla in their hair. The presence or absence of this ...
Hair is a protein filament that grows from follicles found in the dermis. ... Anatomy of the hair shaft and bulb. ... the medulla, a disorganized and ...
Diagram of the hair shaft, indicating medulla (innermost), cortex, and cuticle (exterior.) Anatomy of hair. The cortex of the hair shaft is located between the hair cuticle and medulla and is the thickest hair layer. It contains most of the hair's pigment, giving the hair its color. The major pigment in the cortex is melanin, which is also ...
The hair cuticle is also known to contain anteiso-18-methyleicosanoic acid which contribute to the hydrophobic properties of hair. [5] [4] Diagram of the hair shaft, indicating medulla (innermost), cortex, and cuticle (exterior) While the cuticle is the outermost layer, it is not responsible for the color of the hair.
Pages in category "Hair anatomy" The following 15 pages are in this category, out of 15 total. ... Medulla (hair) O. Outer root sheath; R. Root sheath (hair) T ...
The hair follicle is an organ found in mammalian skin. [1] It resides in the dermal layer of the skin and is made up of 20 different cell types, each with distinct functions.. The hair follicle regulates hair growth via a complex interaction between hormones, neuropeptides, and immune cells
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Medulla of the thymus, a part of the lobes of the thymus; Medulla of lymph node; Medulla (hair), the innermost layer of the hair shaft; Medulla, a part of the optic lobe of arthropods; Medulla (lichenology), a layer of the internal structure of a lichen; Pith, or medulla, a tissue in the stems of vascular plants