Share this entry
prosoma Line breaks: pro|soma
Pronunciation: /prə(ʊ)ˈsəʊmə/

Definition of prosoma in English:


Another term for cephalothorax.
Example sentences
  • Similarly, in spiders there is a common posterior boundary for five of the anteriorly expressed Hox genes coinciding with the division between the two body tagma, the prosoma and opisthosoma.
  • Chelicerates are characterized by a pair of chelate preoral appendages and a body divided into two tagmata, the prosoma and opisthosoma.
  • The chelicerate body plan is characterized by two tagmata, the prosoma, including head structures, and the opisthosoma.


Late 19th century: from pro-2 'before' + Greek sōma 'body'.

Definition of prosoma in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources