Definition of pseudocoel in US English:

pseudocoel

(also pseudocele, pseudocoele)

noun

  • Zoology. A principal body cavity which is not completely lined with cells of mesodermal origin, and is thus distinguished from a true coelom; especially one formed by persistence of the blastocoel of the early embryo.

Origin

Mid 19th century; earliest use found in William Thomson (1819–1890), archbishop of York. From pseudo- + -coele.

Pronunciation

pseudocoel

/ˈs(j)uːdəʊˌsiːl/