fontanelle mastoïdienne
/ˈʃɑ̃bʁ pʁɛ̃sipˈal/
n
English: mastoid fontanelle · 乳突囟
Sens：Membranous space between the parietal, occipital and temporal bones; it closes at about the age of 18 months. This fontanelle is smaller than the sphenoidal fontanelle.