adjective
- Also al·lan·toi·dal [al-uh n-toid-l] /ˌæl ənˈtɔɪd l/. allantoic.
noun
- the allantois.
adjective
- relating to or resembling the allantois
- botany shaped like a sausage
noun
- another name for allantois
adj.
- Of or having an allantois.
- Shaped like a sausage.
n.
- allantois