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An antimacassar / ˌ æ n t ɪ m ə ˈ k æ s ər / is a small cloth placed over the backs or arms of chairs, or the head or cushions of a sofa, to prevent soiling of the permanent fabric underneath. [1]
A precapillary sphincter is a band of contractile mural cells either classified as smooth muscle or pericytes that adjusts blood flow into capillaries.They were originally described in the mesenteric microcirculation, and were thought to only reside there.
A young man in Herne Bay, Kent, England, around 1903 to 1914, showing hair groomed with Macassar oil. Macassar oil is an oil that was originally compounded from Macassar ebony oil that was used primarily by Western European men throughout the 1800s and early 1900s as a hair conditioner to groom and style the hair.
Donnan equilibrium across a cell membrane (schematic). The Gibbs–Donnan effect (also known as the Donnan's effect, Donnan law, Donnan equilibrium, or Gibbs–Donnan equilibrium) is a name for the behaviour of charged particles near a semi-permeable membrane that sometimes fail to distribute evenly across the two sides of the membrane. [1]
In effect, successive pairs of leaves cross each other. Basil is a classic example of a decussate leaf pattern. Decussate phyllotaxis of Crassula rupestris; In tooth enamel, where bundles of rods cross each other as they travel from the enamel-dentine junction to the outer enamel surface, or near to it.
The endomysium, meaning within the muscle, is a wispy layer of areolar connective tissue that ensheaths each individual muscle fiber, or muscle cell. [1] [2] [3] It also contains capillaries and nerves.
In animals, including humans, the startle response is a largely unconscious defensive response to sudden or threatening stimuli, such as sudden noise or sharp movement, and is associated with negative affect. [1]
The mammillary bodies also mamillary bodies, are a pair of small round brainstem nuclei. [2] They are located on the undersurface of the brain that, as part of the diencephalon, form part of the limbic system.