posterior neuropore

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• 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 …   Medical 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

• 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

• Neurulation — Neuroscience portal Transve …   Wikipedia

• Lamina — A plate or layer. For example, the lamina arcus vertebrae, usually just called the lamina, are plates of bone in each vertebral body. * * * SYN: plate (1). SEE ALSO: layer, stratum. [L] l. affixa [TA] that part of the medial ependymal wall of the …   Medical dictionary

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

• Neurula — A Neurula is an embryo at the early stage of development in which neurulation occurs. Neurulation is the development of the nervous system in the vertebrates, at the thickened area above the notochord in ectoderms. The neural plate will fold to… …   Wikipedia

• Nervous system — Nerve redirects here. For other uses, see Nerve (disambiguation). This article is about the nervous system. For parts of the nervous system commonly called nerves, see Peripheral nerve. Nervous system The Human N …   Wikipedia

• Neural tube — Transverse section of half of a chick embryo of forty five hours incubation. The dorsal (back) surface of the embryo is towards the top of this page, while the ventral (front) surface is towards the bottom. (Neural tube is in green.) …   Wikipedia

• Neural crest — The formation of neural crest during the process of neurulation. Neural crest is first induced in the region of the neural plate border. After neural tube closure, neural crest delaminates from the region between the dorsal neural tube and… …   Wikipedia

• Neuroectoderm — Latin epithelium tubi neuralis, neuroectoderma, epithelium tubae neuralis Precursor ectoderm …   Wikipedia