visceral cleft


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vis·cer·al cleft

cleft between two pharyngeal or branchial (visceral) arches in the embryo.

vis·cer·al cleft

(vis'ĕr-ăl kleft)
Any cleft or groove between two pharyngeal arches in the embryo.

visceral cleft

One of the fissures separating the visceral arches.
See also: cleft

visceral

pertaining to a viscus.

visceral arch
mesenchymal structures in the region of the embryonic pharynx and visible on the ventrolateral aspect of the head; give rise to skeletal elements, larynx and other structures of the head.
visceral cleft
temporary depressions between the visceral arches of the embryo.
visceral efferent system
that part of the autonomic nervous system which provides motor innervation to the viscera.
visceral gout
see gout.
visceral granulomatosis
a disease of farmed and freeliving freshwater and marine fish caused by the fungus Ichthyophonus spp. There are granuloma-like lesions in all organs.
visceral larva migrans
see visceral larva migrans.
visceral lymphomatosis
see lymphoid leukosis.
visceral nervous system
see autonomic nervous system, visceral efferent system (above).
visceral pain
caused by inflammation of serous surfaces, distention of viscera and inflammation or compression of peripheral nerves. The pain caused by stretching of the wall of a hollow viscus is often intermittent because of its alternating relaxation and spasm in response to distention.
visceral patterning
the property in tissues of locating themselves in particular sites and with the appropriate three-dimensional shape.
visceral receptors
receptors in mucosae are sensitive to pH, slight touch, in ruminants there are sensors which recognize distention with or without gas.