cephalothorax

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ceph·a·lo·tho·rax

 (sĕf′ə-lə-thôr′ăks′)
n.
The anterior section of arachnids and many crustaceans, consisting of the fused head and thorax.

cephalothorax

(ˌsɛfələʊˈθɔːræks)
n, pl -raxes or -races (-rəˌsiːz)
(Zoology) the anterior part of many crustaceans and some other arthropods consisting of a united head and thorax
cephalothoracic adj

ceph•a•lo•tho•rax

(ˌsɛf ə loʊˈθɔr æks, -ˈθoʊr-)

n., pl. -tho•rax•es, -tho•ra•ces (-ˈθɔr əˌsiz, -ˈθoʊr-)
the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.
[1825–35]
ceph`a•lo•tho•rac′ic (-θəˈræs ɪk) adj.

ceph·a·lo·tho·rax

(sĕf′ə-lə-thôr′ăks′)
The combined head and thorax of arachnids, such as spiders, and of many crustaceans, such as crabs.
Translations
Kopfbruststück
References in periodicals archive ?
He caught four big scorpions, held them down with a pencil, tied a loop of thread behind their cephalothoraxes, and hung one about 10" below each corner of his "cot.
In wolf spiders, females may have longer cephalothoraxes, larger chelicerae, and larger abdomens than males (Walker & Rypstra 2001).
The TSV extract was prepared from frozen cephalothoraxes of shrimp, Litopenaeus vanamnei, that were infected with TSV (confirmed by standard reverse transcriptase-polymerase chain reaction [RT-PCR]) (8).