Template:Touch terms: Difference between revisions

Revision as of 17:39, 17 October 2016

free nerve endings- abundantly innervate the epidermis, include nociceptors and low-threshold C-fibers.
glabrous - smooth hairless skin for example the fingertips, palms, and soles.
lanceolate endings - rapidly adapting or down hair afferents sensitive light-touch receptors that depend on Neurotrophin-4 for proper development.
Meissner’s corpuscles - glabrous skin mechanoreceptor lie between the dermal papillae for sensitivity to light touch. They are rapidly adaptive elongated receptors formed by a connective tissue capsule that formed by several lamellae of Schwann cells enclosing one or more afferent nerve fibres.
Merkel cells - (Merkel's disks, Merkel cell–neuron complexes) mediate slowly adapting type I (SAI) responses, which are characterized by an irregular firing pattern during sustained pressure.
Pacinian corpuscles- lamellar vibration receptors that produce rapidly adapting responses.
Ruffini endings - proposed to mediate stretch-sensitive slowly adapting type II (SAII) responses, unknown developmental pathbwayreceptors.

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 * '''free nerve endings'''- abundantly innervate the epidermis, include nociceptors and low-threshold C-fibers.
-* ''glabrous''  - smooth hairless skin for example the fingertips, palms, and soles.
+* '''glabrous'''  - smooth hairless skin for example the fingertips, palms, and soles.
 * '''lanceolate endings''' - rapidly adapting or down hair afferents sensitive light-touch receptors that depend on Neurotrophin-4 for proper development.
 * '''Meissner’s corpuscles''' - glabrous skin mechanoreceptor lie between the dermal papillae for sensitivity to light touch. They are rapidly adaptive elongated receptors formed by a connective tissue capsule that formed by several lamellae of Schwann cells enclosing one or more afferent nerve fibres.