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Each arrector pili is composed of a bundle of smooth muscle fibres which attach to several follicles (a follicular unit). [4] Each is innervated by the sympathetic division of the autonomic nervous system. [4] The muscle attaches to the follicular stem cell niche in the follicular bulge, [3] [4] [5] splitting at their deep end to encircle the ...
Goose bumps are accompanied by a specific physiological response pattern that is thought to indicate the emotional state of being moved. [15] In humans, goose bumps occur everywhere on the body, including the legs, neck, and other areas of the skin that have hair. In some people, they even occur in the face or on the head.
The line was launched in Japan in 1983, and licensed in 1985 for the American market as M.U.S.C.L.E. (reflecting Kinnikuman's English title of Muscle Man). M.U.S.C.L.E. used a harder rubber than Kinkeshi; its U.S. sequel, Ultimate Muscle , had a small release of about twenty Kinkeshi, though a larger run of figures using a plastic softer than M ...
He suggests doing crunches on an exercise ball to avoid pulling muscles in your lower back. ... The knit jacket that shoppers say is better than 'JCrew cardigans' is on sale for $34. See all deals.
Pneumatic artificial muscles (PAMs) are contractile or extensional devices operated by pressurized air filling a pneumatic bladder. In an approximation of human muscles, PAMs are usually grouped in pairs: one agonist and one antagonist. PAMs were first developed (under the name of McKibben Artificial Muscles) in
PORT-AU-PRINCE (Reuters) -A Spirit Airlines flight destined for the Haitian capital of Port-au-Prince was struck by gunfire on Monday, forcing it to be diverted to the neighboring Dominican Republic.
Find great gifts for your favorite little ones during the Hanna Andersson pajama sale — all PJs starting at just $20 AOL We spoke with nine hair care experts and reviewed 27 products to find the ...
Many of these molecular motors are ubiquitous in both prokaryotic and eukaryotic cells, although some, such as those involved with cytoskeletal elements or chromatin, are unique to eukaryotes. The motor protein prestin , [ 14 ] expressed in mammalian cochlear outer hair cells, produces mechanical amplification in the cochlea.