[æˌlænˈtoʊdiən]

Definitions

1. adjective

resembling an allantois, or a structure that resembles an allantois

“The embryonic development process was allantoidian, which was crucial to understanding the fetus’s growth.”

2. noun

a structure that resembles an allantois, especially in embryonic development

“The embryologist studied the allantoidian structures in the fetus to better understand its development process.”