palp

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palp

 (pălp)
n.
One of a pair of elongated, often segmented appendages usually found near the mouth in invertebrate organisms such as mollusks, crustaceans, and insects, the functions of which include sensation, locomotion, and feeding. Also called palpus.

[French palpe, from New Latin palpus, from Latin, a touching; see pāl- in Indo-European roots.]

pal′pal (păl′pəl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

palp

(pælp) or

palpus

n, pl palps or palpi (ˈpælpaɪ)
1. (Zoology) either of a pair of sensory appendages that arise from the mouthparts of crustaceans and insects
2. (Zoology) either of a pair of tactile organs arising from the head or anterior end of certain annelids and molluscs
[C19: from French, from Latin palpus a touching]
ˈpalpal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pal•pus

(ˈpæl pəs)

n., pl. -pi (-pī).
an appendage attached to an oral part and serving as an organ of sense in insects, crustaceans, etc.
[1805–15; < New Latin; Latin palpus or palpum palm of the hand]
palp′al, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

palp

(pălp)
A segmented organ extending from the mouthparts of arthropods, used for touch or taste.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in classic literature ?
I had been restless, dreaming most disagreeably that I was drowned, and that sea anemones were feeling over my face with their soft palps. I woke with a start, and with an odd fancy that some greyish animal had just rushed out of the chamber.
Labial palps three segmented; the two distal segments are subequal and longer than first one.
While we observed males placing only one palp over the female's epigyne during courtship, our males never charged their palps with sperm prior to this and we never observed copulation in the cohabiting pairs we found in the field.
The maxillipeds played a major role in attaching to the bottom and in crawling, while the antennae and mandibular palps were involved in slow swimming along the bottom.
Also, chain forms in the epithelia of the digestive tract and palps were observed; in this stage, the parasitophorous vacuoles (acidophilic) were of great size with many acidophilic granules.
Gryllacrididae have mouthparts specially adapted for silk production, which include well-developed maxillae and labial palps with specialized structures, while Stenopelmatidae have simple chewing mouthparts with well-developed, long, but unmodified labial palps.
The specimen is well preserved, showing genitalia and maxillary palps, and [20] suggested that the presence of harpagones ("claspers") is a synapomorphy of Trichoptera, citing [21, 22].
Spination: femora I p 0-0-1, II 0, III 0, IV 0 and femora of palps 0; patellae I-IV 0 and patellae of palps 0; tibiae I p 0-1-0, r 2-2-2, II v 2-1-4, p 0-1-0, III v 1-2-1 (apical), r 0-1-0, IV r 0-1-0 and tibiae of palps p 0-1-0; metatarsi I v 0-0-1 (apical), II v 0-(0-1)-3 (apical), III v 0-1-3 (apical), p 0-1-1, r 0-1-1-1, IV v 0-1-3 (apical), p 0-1-1, r 0-1-1, tarsi I-IV and tarsi of palps 0.
Bristowe (1958: 111) explains how the male transfers sperm to his palps before mating takes place:
Conversely, the capitulum possessed female traits at both sides, including a pair of porose areas and equal-sized palps (Figs.
2014); and the sensory structures present on the maxillary and labial palps of Helicoverpa armigera (Hubner) (Noctuidae), which are responsible for chemoreception (Keil 1996; Zhao et al.