Neuromere

(embryology) An embryonic segment of the central nervous system in vertebrates.

Any of the segments of the neural tube that constitute the embryonic brain. Also called encephalomere.

1. any of a series of transitory segmental elevations in the wall of the neural tube in the developing embryo; also, such elevations in the wall of the mature rhombencephalon.
2. a part of the spinal cord to which a pair of dorsal roots and a pair of ventral roots are attached.

Neuromeres are morphologically or molecularly defined transient segments of the early developing brain. Rhombomeres are such segments that make up the rhombencephalon or hindbrain. More controversially, some argue that there exist early developmental segments that give rise to structures of the midbrain (mesomeres) and forebrain (prosomeres).

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v • d • e Prenatal development/Mammalian development of nervous system General neural development/ neurulation/neurula Notochord · Neuroectoderm · Neural plate · Neural folds · Neural groove Neural crest (Cranial, Trunk, Cardiac) · Neural tube (Neuromere/Rhombomere, Cephalic flexure) Alar plate (sensory) · Basal plate (motor) Glioblast · Neuroblast Eye development Optic vesicles · Optic stalk · Optic cup · Lens placode Auditory development Auditory vesicle · Auditory pit Note: mostly ecoderm, but mesoderm is precursor for epineurium, perineurium, and endoneurium

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