(n.) A feeler; especially, one of the jointed sense organs attached to the mouth organs of insects, arachnids, crustaceans, and annelids; as, the mandibular palpi, maxillary palpi, and labial palpi. The palpi of male spiders serve as sexual organs. Called also palp. See Illust. of Arthrogastra and Orthoptera.
Example Sentences:
(1) (1972) transformations from eye to abdominal like structures, eye to antennal like structures, eye to palpus like structures, rostralhaut to genital like structures, rostralhaut to clasper teeth, and rostralhaut to antennal like structures were observed.
(2) We examined the pattern of gynandromorph mosaicism and determined the "sturt distances" between 42 different structures of the head, antenna, and maxillary palpus.
(3) Line drawing illustrations of females of 52 species and males of 45 species are presented; they include the head, antenna, maxillary palpus, mandible, legs, wing, and spermathecae of females, and the genitalia of males.
Palus
Definition:
(n.) One of several upright slender calcareous processes which surround the central part of the calicle of certain corals.