cephalothorax

/sef-uh-loh-thawr-aks, -thohr-/US // ˌsɛf ə loʊˈθɔr æks, -ˈθoʊr- //UK // (ˌsɛfələʊˈθɔːræks) //

头胸部,头胸,头盖骨,头胸腔

Definitions

n.名词 noun

1
plural ceph·a·lo·tho·rax·es, ceph·a·lo·tho·ra·ces [sef-uh-loh-thawr-uh-seez, -thohr-]. /ˌsɛf ə loʊˈθɔr əˌsiz, -ˈθoʊr-/. Zoology.
- : the anterior part of the body in certain arachnids and crustaceans, consisting of the coalesced head and thorax.

The cephalothorax is strongly chitinized, showing two small oval spots.
The small suboval area between the chitinized cephalothorax and the abdomen is soft with five chitinized plates.
Color of supposed Male—Cephalothorax and maxill, dark reddish brown.
Cephalothorax suboval, upper margin strongly concave at the sides and tapering to a point at the median line.
A delicate carapace covers the thorax; the abdomen is proportionately very large, often twice the length of the cephalothorax.