Answer: infundibula

AnswerCrossword Clue
INFUNDIBULAFunnel-shaped parts
infundibulaA funnel-shaped cavity or structure
infundibulaThe hollow stalk that connects the hypothalamus and the posterior pituitary gland
infundibulaINFUNDIBULUM, a funnel-shaped body part (eg the nares)