palp

views updated Jun 27 2018

palp A sensory appendage situated near the mouth of many invertebrates. In Arthropoda, it is a jointed, sensory structure that articulates with the labium or maxillae. See also LABIAL PALP; MAXILLARY PALP.

palp

views updated May 18 2018

palp An elongated sensory organ, usually near the mouth, in many invertebrates. Examples are the tactile head appendages of polychaete worms, the ciliated flap of tissue that produces feeding currents in bivalve molluscs, the distal part of the mandibles of crustaceans, and the olfactory parts of the first and second maxillae of some insects.

More From encyclopedia.com