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Pili multigemini, also known as "compound hairs," [2] is a malformation characterized by the presence of bifurcated or multiple divided hair matrices and papillae, giving rise to the formation of multiple hair shafts within the individual follicles. [3] [4]
Multiple follicular unit grafts [1] is a hair transplant technique that has been developed to complement and enhance current micro grafting and follicular unit procedures by increasing density without sacrificing naturalness. [2] A follicular unit (FU) is a naturally occurring bundle of hairs. This bundle contains anywhere from 1 to 4 hairs.
Hair transplantation is a surgical technique that removes hair follicles from one part of the body, called the 'donor site', to a bald or balding part of the body known as the 'recipient site'. The technique is primarily used to treat male pattern baldness .
Hair grows in cycles of various phases: [14] anagen is the growth phase; catagen is the involuting or regressing phase; and telogen, the resting or quiescent phase (names derived using the Greek prefixes ana-, kata-, and telos- meaning up, down, and end respectively). Each phase has several morphologically and histologically distinguishable sub ...
Red hair ranges from light strawberry blond shades to titian, copper, and completely red. Red hair has the highest amounts of pheomelanin, around 67%, and usually low levels of eumelanin. At 1–2% of the west Eurasian population, it is the least common hair color in the world. It is most prominently found in the British Isles and in Udmurtia ...
The early to mid 19th century and the modernization of the rubber industry [4] allowed for use of rubber in clothing, which would ultimately include early elastic hair ties. [2] In the 20th century, hair ties became more modernized. Then in 1986, the scrunchie was invented by Rommy Revson and became a popular variation of the hair tie. [5]
Knife - used as safety equipment to cut ropes, cut hair caught in descenders etc. Whistle - on long pitches where shouting is ineffective, whistles are used to signal other team members. Chest roller - helps stabilize barrel-chested or top-heavy users who have a tendency to lean back during vertical caving.
An agouti dog, also called wolf sable. In dogs, the agouti gene is associated with various coat colors and patterns. [10]The alleles at the A locus are related to the production of agouti-signaling protein (ASIP) and determine whether an animal expresses an agouti appearance and, by controlling the distribution of pigment in individual hairs, what type of agouti.