M: OBS
phys/devp/memb
mthr/fetu/infc, epon
proc, drug(2A/G2C)
Nasal placode · Nasal pit · nasal prominences (Lateral, Medial) · Intermaxillary segment
M: MOU
anat/devp
noco/cofa(c)/cogi/tumr, sysi
proc (peri), drug (A1)