Also found in: Medical.
Related to antennular: antennal


n. Zoology
A small antenna or similar organ, especially one of the first pair of small antennae on the head of a crustacean.

[French, diminutive of antenne, antenna, from Medieval Latin antenna, sail yard; see antenna.]

an·ten′nu·lar 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.


having antennules or similar appendages
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Video observation of surface exploration in cyprids of Balanus amphitrite: the movements of antennular sensory setae.
Their delivery is often enhanced by water currents generated by the sender, flushing chemicals toward the recipient, which in turn, might actively pull water toward their sensory structures by antennular flicking.
According to Gordon (1935), Lysmata grabhami has a short rostrum, scarcely reaching the distal end of the second antennular segment, its rostral formula is.
Temporal resolution in olfaction III: flicker fusion and concentration-dependent synchronization with stimulus pulse trains of antennular chemoreceptor cells in the American lobster.
The long antennular aesthetascs and the long plumose natatory setae of the first and second maxillipeds have been drawn truncated.
Antifouling adaptations of marine shrimp (Crustacea: Decapoda: Caridea): functional morphology and adaptive significance of antennular preening by the third maxillipeds.
Diagnosis: rostrum directed anterodorsally, large at base tapering to tip, short, reaching a maximum of 3/4 scaphocerite length, dorsal margin slightly concave, with 7-8 teeth at all rostrum length, ventral margin sinuous with or without 0-3 sub-distal teeth; antennal spine present, branchiostegal spine absent, pterygostomian spine present without carina; hepatic groove present; cervical groove well developed; branchiostegal suture not well developed; eyes with cornea weakly developed, more slender than the ocular peduncle; scaphocerite with short distal spine not overreaching blade; stylocerite short, not overreaching the antennular peduncle first segment distal margin (Fig.
potimirim, the rostrum does not reach the first segment of the antennular peduncle, whereas in P.
Behavioral and electrophysiological experiments suggest that the antennular outer flagellum is the site of pheromone reception in the male helmet crab Telmessus cheiragonus.