- neuropore
- An opening in the embryo leading from the central canal of the neural tube to the exterior of the tube. [neuro- + G. poros, pore]- caudal n. the temporary opening at the extreme caudal end of the neural tube in early embryos; closes at approximately the 25th somite stage in humans. SYN: posterior n..- rostral n. the temporary opening at the extreme rostral (cephalic) end of the early embryonic forebrain; closes at approximately the 20th somite stage in humans. SYN: anterior n., cranial n..
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neu·ro·pore 'n(y)u̇r-ə-.pō(ə)r, -.pȯ(ə)r n either of the openings to the exterior at the anterior and posterior ends of the neural tube of a vertebrate embryo* * *
neu·ro·pore (noorґo-por) [neuro- + pore] the open anterior end (rostral neuropore) or the open posterior end (caudal neuropore) of the neural tube of the early embryo. These openings gradually close during the fourth week as the primordial spinal cord develops.
Medical dictionary. 2011.