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Tactile corpuscles or Meissner's corpuscles are a type of mechanoreceptor discovered by anatomist Georg Meissner (1829–1905) and Rudolf Wagner. [1][2] This corpuscle is a type of nerve ending in the skin that is responsible for sensitivity to pressure. In particular, they have their highest sensitivity (lowest threshold) when sensing ...
Merkel nerve ending. Merkel nerve endings are mechanoreceptors, a type of sensory receptor, that are found in the basal epidermis and hair follicles. They are nerve endings and provide information on mechanical pressure, position, and deep static touch features, such as shapes and edges. Merkel cells in the basal epidermis of the skin store ...
Lamellar corpuscles, or Pacinian corpuscles or Vater-Pacini corpuscle, are deformation or pressure receptors located in the skin and also in various internal organs. [8] Each is connected to a sensory neuron. Because of its relatively large size, a single lamellar corpuscle can be isolated and its properties studied.
e. The submucosal plexus (Meissner's plexus, plexus of the submucosa, plexus submucosus) lies in the submucosa of the intestinal wall. The nerves of this plexus are derived from the myenteric plexus which itself is derived from the plexuses of parasympathetic nerves around the superior mesenteric artery. Branches from the myenteric plexus ...
The Pacinian corpuscle, lamellar corpuscle or Vater-Pacini corpuscle[1] is one of the four major types of cutaneous receptor a type of mechanoreceptor (specialized receptor for mechanical sensation) found in mammalian skin. This type of mechanoreceptor is found in both hairy, and hairless skin, organs, joints, and attached to the periosteum of ...
Merkel cells (shown in blue) are located in the basal epidermal layer of the skin. 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 ...
Tactile discrimination is the ability to differentiate information through the sense of touch. The somatosensory system is the nervous system pathway that is responsible for this essential survival ability used in adaptation. [1] There are various types of tactile discrimination. One of the most well known and most researched is two-point ...
The first one, Meissner's corpuscles are encapsulated nerve endings attached to the epidermis in the dermal papilli that detect changes in texture and vibrations. Merkel's discs are arborizations of nonmyelinated axons that end in terminals on specialized tactile cells and which detect sustained touch and pressure.