phyloptic stage
embryonic development of all vertebrates where the ebryos are all very similar
neural induction
the process where nearby cells or tissues signal to other cells or tissues in the embryo
SO
affecting the development of the responding cell or tissue
competence
the ability of a cell or tissue to respond to a inductive signal
neurulation
the formation of the neural tube via neural plate
afferent
these are sensory and carry info to the CNS from the PNS
efferent
these are motor and carry info from the CNS to the PNS
gastrulation
when a blastula develops into a gastrula which has 3 layers
morphogen
proteins that provides info on position via conc gradient and alters their fate