PAPILLA PILI Meaning and
Definition
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Papilla pili, also commonly known as hair follicles, is the small protrusion found in the dermis of the skin responsible for the growth and maintenance of hair. It is a complex structure that consists of multiple layers and plays a vital role in the health and appearance of hair.
The papilla pili is surrounded by connective tissue and is composed of specialized cells that aid in the production of hair. Located at the base of each hair follicle, it is supplied with blood vessels that provide essential nutrients and oxygen for hair growth. The papilla pili also contains nerve endings, which contribute to the sensation of touch.
Hair growth occurs when cells within the papilla pili divide and multiply, leading to the production of new hair cells. These cells then undergo a process of keratinization, where they harden and form the hair shaft that eventually emerges from the skin's surface. The papilla pili plays a crucial role in regulating this growth cycle, ensuring that hair follicles go through stages of growth, rest, and shedding.
The structure of the papilla pili can vary slightly depending on the type of hair present. For example, in individuals with straight hair, the papilla pili is vertically aligned, while in individuals with curly hair, it is more obliquely positioned.
In summary, the papilla pili is the tiny structure within the skin that supports and nourishes hair follicles, enabling hair growth and contributing to its overall health and appearance.
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Hair papilla, a knob-like indentation of the bottom of the hair follicle, upon which the hair-bulb fits like a cap; it is derived from the corium and contains vascular loops for the nourishment of the hair-root.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for PAPILLA PILI
- papilla pyli
- papilla pali
- papilla pmli
- papilla phli
- papilla pidi
- papilla pihi
- papilla pini
- papilla pimi
- papilla pily
- papilla pila
- papilla pilm
- papilla pilh
- papi lla pili
- papil la pili
- papill a pili
- papilla pi li
- papilla pil i
Etymology of PAPILLA PILI
The word "papilla pili" is a combination of two Latin words. "Papilla" comes from the Latin word "papilla" meaning "nipple" or "pap" and "pili" is the genitive form of the Latin word "pilus" which means "hair".
So, "papilla pili" can be translated to mean "nipple of hair" or "hair nipple". This term is used to describe the small raised structures in the skin that are responsible for hair growth.
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