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cephalic flexure, cervical flexure, collicular ridge, diencephalon, extraventricular cerebellum, frontal lobe area, hypothalamus, insular area, intraventricular cerebellum, lamina terminalis, mamillary area, medulla oblongata, mesencephalon, metencephalon, neurohypophysis, occipital lobe area, olfactory bulb, optic nerve area, parietal lobe area, pineal gland, pons area, pontine flexure, primitive filum terminale, primordial piriform cortex, roof of rhombencoel (fourth ventricle), spinal cord, temporal lobe area

Central nervous system of the 30-mm embryo. Arrows indicate the position of the cephalic, pontine and cervical flexures.


Keywords: cephalic flexure, cervical flexure, collicular ridge, diencephalon, extraventricular cerebellum, frontal lobe area, hypothalamus, insular area, intraventricular cerebellum, lamina terminalis, mamillary area, medulla oblongata, mesencephalon, metencephalon, neurohypophysis, occipital lobe area, olfactory bulb, optic nerve area, parietal lobe area, pineal gland, pons area, pontine flexure, primitive filum terminale, primordial piriform cortex, roof of rhombencoel (fourth ventricle), spinal cord, temporal lobe area

Source: Atlas of Human Embryos.