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Merkel nerve ending information


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 serotonin which they release to associated nerve endings in response to pressure. Each ending consists of a Merkel cell in close apposition with an enlarged nerve terminal. This is sometimes referred to as a Merkel cell–neurite complex, or a Merkel disc receptor. A single afferent nerve fibre branches to innervate up to 90 such endings.

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Merkel nerve ending

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Merkel nerve endings are mechanoreceptors, a type of sensory receptor, that are found in the basal epidermis and hair follicles. They are nerve endings...

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Merkel cell

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they are associated with sensory nerve endings, when they are known as Merkel nerve endings (also called a Merkel cell-neurite complex). They are associated...

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Afferent nerve fiber

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Afferent nerve fibers are axons (nerve fibers) of sensory neurons that carry sensory information from sensory receptors to the central nervous system...

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End organ

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nerve conduction pathway Bulbous corpuscle (Ruffini corpuscle end-organ) Tactile corpuscle (Meissner corpuscle end-organ) Merkel nerve ending (Merkel...

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Glans penis

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genital end bulbs and rarely Pacinian and Ruffinian corpuscles. Merkel nerve endings and Meissner's corpuscles (mechanoreceptors typically found in thick...

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Tactile corpuscles of Grandry

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ducks and geese. Their general structure includes the flattened endings of an afferent nerve fiber sandwiched between two or more somewhat flattened sensory...

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Thermoception

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Baroreceptor Mechanotransduction Lamellar corpuscle Tactile corpuscle Merkel nerve ending Bulbous corpuscle Campaniform sensilla Slit sensilla Stretch receptor...

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Somatosensory system

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each respond to different stimuli for short or long periods. Merkel cell nerve endings are found in the basal epidermis and hair follicles; they react...

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Trigeminal nerve

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the trigeminal nerve (lit. triplet nerve), also known as the fifth cranial nerve, cranial nerve V, or simply CN V, is a cranial nerve responsible for...

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Mechanoreceptor

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mechanoreceptors include Merkel and Ruffini corpuscle end-organs, and some free nerve endings. Slowly adapting type I mechanoreceptors have multiple Merkel corpuscle...

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Cutaneous receptor

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corpuscle (deep pressure, fast vibrations) Merkel's disc (sustained touch and pressure) Free nerve endings thermoreceptor nociceptors chemoreceptors With...

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Pallesthesia

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of vibrations. Pacinian corpuscles, Merkel disk receptors, and tactile corpuscles are all encapsulated nerve endings involved in tactile stimulation. The...

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Cutaneous innervation

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Though there is no specific categorization, both free nerve endings and unencapsulated nerve endings of myelinated axons are found within the dermis of those...

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Microwave burn

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is permanent; the Pacinian corpuscles, Meissner corpuscles, and Merkel nerve endings, which degenerated after denervation, do not regenerate. The sympathetic...

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Pacinian corpuscle

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corpuscle is one of the four major types of mechanoreceptors (specialized nerve ending) for mechanical sensation) found in mammalian skin. This type of mechanoreceptor...

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Sensory substitution

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Pacinian corpuscle, Meissner's corpuscle, Ruffini endings, Merkel nerve endings, and free nerve endings. These receptors are mainly characterized by which...

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Integumentary system

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color to the skin. The deepest layer of the epidermis also contains nerve endings. Beneath this, the dermis comprises two sections, the papillary and...

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Sense

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that has a free nerve ending, with dendrites embedded in tissue that would receive a sensation; (2) a neuron that has an encapsulated ending in which the...

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Microneurography

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neurophysiological method employed to visualize and record the traffic of nerve impulses that are conducted in peripheral nerves of waking human subjects...

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Shingles

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varicella virus is reactivated. The virus then travels along nerve bodies to nerve endings in the skin, producing blisters. During an outbreak of shingles...

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Sensory neuron

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Illustration of skin Merkel cell Illustration of tactile corpuscle Illustration of root hair plexus Illustration of free nerve endings Pseudounipolar neuron...

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Type II sensory fiber

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notable example are neurons with Merkel cell-neurite complexes on their dendrites (sense static touch) and Ruffini endings (sense stretch on the skin and...

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Stimulus modality

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single receptor of responding to multiple modalities, such as free nerve endings which can respond to temperature, mechanical stimuli (touch, pressure...

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Foreskin

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foreskin contains Meissner's corpuscles, which are one of a group of nerve endings involved in fine-touch sensitivity. Compared to other hairless skin...

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List of nominees for the Nobel Prize in Physiology or Medicine

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of uric acid" "Work on nutrition" "Work on the human retina and on nerve endings in different organs" "Work on the physiology, pathology and surgery...

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Leprosy

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can lead to damage of the nerves, respiratory tract, skin, and eyes. This nerve damage may result in a lack of ability to feel pain, which can lead to the...

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