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cephalothorax

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ceph·a·lo·tho·rax  (sf-l-thôrks, -thr-)
n.
The anterior section of arachnids and many crustaceans, consisting of the fused head and thorax.

cephalothorax [ˌsɛfələʊˈθɔːræks]
n pl -raxes, -races [-rəˌsiːz]
(Life Sciences & Allied Applications / Zoology) the anterior part of many crustaceans and some other arthropods consisting of a united head and thorax
cephalothoracic  [ˌsɛfələʊθəˈræsɪk] adj

cephalothorax  (sf-l-thôrks)
The combined head and thorax of arachnids, such as spiders, and of many crustaceans, such as crabs.


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In Lepidaspis the cephalothorax consists of units whose basal plates are more or less fused (Dineley & Loeffler 1976), while in Oniscolepis the units are not fused.
Biometrics We measured the green lobster's cephalothorax or carapace length (CL) and abdomen or tail length (TL) to the nearest millimeter.
The total body length of adult copepods was measured from the beginning of the cephalothorax to the end of the caudal rami, without taking into account the caudal setae.
 
 
 
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