neuropore

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]
- anterior n. SYN: rostral n..
- 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..
- cranial n. SYN: rostral n..
- posterior n. SYN: caudal 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

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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.

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Look at other dictionaries:

  • Neuropore — Neu ro*pore, n. [Neuro + pore.] (Anat.) An opening at either end of the embryonic neural canal. [1913 Webster] …   The Collaborative International Dictionary of English

  • neuropore — see trichopore …   Dictionary of invertebrate zoology

  • neuropore — neu·ro·pore …   English syllables

  • neuropore — ˈn(y)u̇rəˌpō(ə)r noun Etymology: neur + pore : either of the openings to the exterior at the anterior and posterior ends of the neural tube of a vertebrate embryo …   Useful english dictionary

  • caudal neuropore — posterior neuropore the embryonic opening at the caudal end of the neural tube, which closes by the 25 somite stage (about 27 days) …   Medical dictionary

  • anterior neuropore — rostral n …   Medical dictionary

  • rostral neuropore — the embryonic opening at the rostral end of the neural tube, which closes at the 20 somite stage (about 25 days) …   Medical dictionary

  • Neurulation — Neuroscience portal Transve …   Wikipedia

  • blastoneuropore — A temporary opening formed in some embryos by the union of the blastopore and neuropore. [blasto + neuropore] * * * blas·to·neu·ro·pore .blas tō n(y)u̇r ō .pō(ə)r, .pȯ(ə)r n a temporary opening formed by the union of the blastopore and neuropore …   Medical dictionary

  • Embryology — 1 morula, 2 blastula 1 blastula, 2 gastrula with blastopor …   Wikipedia

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