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antennule
(redirected from antennules)

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an·ten·nule  (n-tnyl)
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·tennu·lar adj.

antennule [ænˈtɛnjuːl]
n
(Life Sciences & Allied Applications / Zoology) one of a pair of small mobile appendages on the heads of crustaceans in front of the antennae, usually having a sensory function
[from French, diminutive of antenna]


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According to Guinot & Hurtado (2003), all bythograeid species display similar morphologies concerning carapace, mouthparts, and sternal plates, whereas major differences are found in eye structure and in the location of the antenna and antennules.
We've spent a lot of effort characterizing how the antennules move and how they sample in space," says Grasso.
While feeding, copepods assume a characteristic posture (photo at left): With their long antennules extended widely apart, they often hover or cruise slowly as they filter food from the water with their feeding appendages.
 
 
 
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