fissure of Syl·vi·us 
(sĭlvē-əs)
(sĭlvē-əs)n.
See sylvian fissure.
- primitively
- primitiveness
- primitivism
- primitivist
- primitivistic
- primitivity
- primly
- primness
- primo
- Primo de Rivera y Orbaneja
- primogenital
- primogenitary
- primogenitor
- primogeniture
- primordial
- primordially
- primordial soup
- primordium
- primp
- primrose
- primrose path
- primula
- primum mobile
- primus
- primus inter pares