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They can be found at a depth of 900 μm in human fingertips. [4] In hairy skin, Merkel nerve endings are clustered into specialized epithelial structures called "touch domes" or "hair disks". Merkel receptors are also located in the mammary glands. Wherever they are found, the epithelium is arranged to optimize the transfer of pressure to the ...
Merkel cells, also known as Merkel–Ranvier cells or tactile epithelial cells, are oval-shaped mechanoreceptors essential for light touch sensation and found in the skin of vertebrates. They are abundant in highly sensitive skin like that of the fingertips in humans , and make synaptic contacts with somatosensory afferent nerve fibers .
A mechanoreceptor, also called mechanoceptor, is a sensory receptor that responds to mechanical pressure or distortion. Mechanoreceptors are located on sensory neurons that convert mechanical pressure into electrical signals that, in animals, are sent to the central nervous system.
Pallesthesia (\ˌpal-es-ˈthē-zh(ē-)ə\), or vibratory sensation, is the ability to perceive vibration. [1] [2] This sensation, often conducted through skin and bone, is usually generated by mechanoreceptors such as Pacinian corpuscles, Merkel disk receptors, and tactile corpuscles. [1]
A culture is the learned behaviors that are shared by the members of a society, together with the material products of such behaviors. The words "society" and "culture" are fused together to form the word "sociocultural". A system is "a collection of parts which interact with each other to function as a whole". [2]
The nature–culture divide is the notion of a dichotomy between humans and the environment. [1] It is a theoretical foundation of contemporary anthropology that considers whether nature and culture function separately from one another, or if they are in a continuous biotic relationship with each other.
Plumwood and Sean Kenan, 1987. Plumwood was born Val Morell to parents whose home was a shack with walls made of hessian sacks dipped in cement. After obtaining a land grant, her parents had set up home in the Terrey Hills, near the Ku-ring-gai Chase National Park, north of Sydney.
[2]: 183 He also identifies iron as the primary building material of the paleotechnic, and skyscrapers, bridges, and steamships as première accomplishments of the age. War and mass sport he saw as social releases from mechanized life, and the hysteric duties of wartime production (or even the hysteria of a baseball team's victory) is a natural ...