fontanelle or fontanel /fon-tə-nelˈ/

1. A membrane-covered gap between the immature parietal bones in the skull of a fetus or infant
2. An opening for discharge (medicine)

• BBQ
• BBS
• BBSRC
• B.C.
• BC
• bcc
• BCC
• BCD
• BCE
• B cell
• BCF
• BCG
• BCh
• BCL
• BCom
• BComm
• BCS
• bd
• BD
• BDA
• Bde
• bdellium
• bdelliums
• BDI
• Bdr