5 weeks: Sensory nerve tracts begin {sense-nerve development}. Epithelial sensory cells project to brainstem and spinal-cord dorsal half, which also receive from head sensory receptors. Old cortex, cerebral medulla, and basal ganglia appear at neural-tube fourth flexure.
Biological Sciences>Zoology>Development>Stages>Gestation>Embryo 035 Day
4-Zoology-Development-Stages-Gestation-Embryo 035 Day
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Date Modified: 2022.0224