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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.
One of the fissures separating the visceral arches.
See also: cleft
pertaining to a viscus.
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.
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.
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.
see lymphoid leukosis.
visceral nervous system
see autonomic nervous system, visceral efferent system (above).
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.
the property in tissues of locating themselves in particular sites and with the appropriate three-dimensional shape.
receptors in mucosae are sensitive to pH, slight touch, in ruminants there are sensors which recognize distention with or without gas.