early
embryonic vesicle
immature
abecedarian
aboriginal
antenatal
arrested
atomic
autochthonous
backward
basal
basic
beginning
budding
callow
central
coarse
corpuscular
creative
crucial
crude
defective
deficient
elemental
elementary
embryonal
evanescent
failing
fetal
formative
foundational
fundamental
generative
genetic
germinal
germinant
germinational
germinative
germiparous
gestatory
granular
hypoplastic
impalpable
imperceptible
imponderable
in arrear
in arrears
in default
in embryo
in its infancy
in ovo
in short supply
cognitive
dendritic
epidermal
evolutionary
haematopoietic
intestinal
larval
lymphoid
murine
neonatal
neural
neurological
neuromuscular
pineal
pupal
reproductive
thread-like
undeveloped
unformed
vegetative
Ionic
Masonic
Miltonic
Napoleonic
Panasonic
Platonic
allophonic
avionic
bubonic
catatonic
chronic
conic
demonic
diatonic
electronic
ganglionic
gnomonic
harmonic
hedonic
hegemonic
histrionic
hyaluronic
hydroponic
hypersonic
hypertonic
ionic
ironic
isoelectronic
isotonic
laconic
leptonic
masonic
microelectronic
miltonic
mnemonic
monophonic
neoplatonic
nucleonic
ovonic
pharaonic
philharmonic
phonic
planktonic
platonic
plutonic
pneumonic
polyphonic
propionic
sardonic
sonic