Template:Embryonic Ventricular Timeline table: Difference between revisions
From Embryology
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| rowspan=3|[[Week 4]] | | rowspan=3|[[Week 4]] | ||
| [[Carnegie stage 11|Stage 11]] | | [[Carnegie stage 11|'''Stage 11''']] | ||
| appearance of the optic ventricle. The neural groove/tube space is initially filled with amniotic fluid. | | appearance of the optic ventricle. The neural groove/tube space is initially filled with amniotic fluid. | ||
|- | |- | ||
| [[Carnegie stage 12|'''Stage 12''']] | |||
| [[Carnegie stage 12|Stage 12]] | |||
| closure of the caudal neuropore, onset of the ventricular system and separates the ependymal from the amniotic fluid. | | closure of the caudal neuropore, onset of the ventricular system and separates the ependymal from the amniotic fluid. | ||
|- | |- | ||
| [[Carnegie stage 13|'''Stage 13''']] | |||
| [[Carnegie stage 13|Stage 13]] | |||
| cavity of the telencephalon medium is visible. | | cavity of the telencephalon medium is visible. | ||
|- | |- | ||
| rowspan=2|[[Week 5]] | | rowspan=2|[[Week 5]] | ||
| [[Carnegie stage 14|Stage 14]] | | [[Carnegie stage 14|'''Stage 14''']] | ||
| cerebral hemispheres and lateral ventricles begin, rhomboid fossa becomes apparent. | | cerebral hemispheres and lateral ventricles begin, rhomboid fossa becomes apparent. | ||
|- | |- | ||
| [[Carnegie stage 15|'''Stage 15''']] | |||
| [[Carnegie stage 15|Stage 15]] | |||
| medial and lateral ventricular eminences cause indentations in the lateral ventricle | | medial and lateral ventricular eminences cause indentations in the lateral ventricle | ||
|- | |- | ||
| rowspan=2|[[Week 6]] | | rowspan=2|[[Week 6]] | ||
| [[Carnegie stage 16|Stage 16]] | | [[Carnegie stage 16|'''Stage 16''']] | ||
| hypothalamic sulcus is evident. | | hypothalamic sulcus is evident. | ||
|- | |- | ||
| [[Carnegie stage 17|'''Stages 17''']] - [[Carnegie stage 18|'''18''']] | |||
| [[Carnegie stage 17|Stages 17]]-18 | |||
| interventricular foramina are becoming relatively smaller, and cellular accumulations indicate the future choroid villi of the fourth and lateral ventricles. | | interventricular foramina are becoming relatively smaller, and cellular accumulations indicate the future choroid villi of the fourth and lateral ventricles. | ||
|- | |- | ||
| rowspan=2|[[Week 7]] | | rowspan=2|[[Week 7]] | ||
| [[Carnegie stage 18|Stage 18]] | | [[Carnegie stage 18|'''Stage 18''']] | ||
| areae membranaceae rostralis and caudalis are visible in the roof of the fourth ventricle, and the paraphysis is appearing. | | areae membranaceae rostralis and caudalis are visible in the roof of the fourth ventricle, and the paraphysis is appearing. | ||
|- | |- | ||
| [[Carnegie stage 19|'''Stage 19''']] | |||
| [[Carnegie stage 19|Stage 19]] | |||
| choroid villi are visible in the fourth ventricle, and a mesencephalic evagination (blindsack) is visible | | choroid villi are visible in the fourth ventricle, and a mesencephalic evagination (blindsack) is visible | ||
|- | |- | ||
| rowspan=3|[[Week 8]] | | rowspan=3|[[Week 8]] | ||
| [[Carnegie stage 20|Stage 20]] | | [[Carnegie stage 20|'''Stage 20''']] | ||
| choroid villi are visible in the lateral ventricle. | | choroid villi are visible in the lateral ventricle. | ||
|- | |- | ||
| [[Carnegie stage 21|'''Stage 21''']] | |||
| [[Carnegie stage 21|Stage 21]] | |||
| olfactory ventricle is visible. | | olfactory ventricle is visible. | ||
|- | |- | ||
| [[Carnegie stage 23|'''Stages 21-23''']] | |||
| [[Carnegie stage 23|Stages 21-23]] | |||
| lateral ventricle has become C-shaped (anterior and inferior horns visible). Recesses develop in the third ventricle (optic, infundibular, pineal). | | lateral ventricle has become C-shaped (anterior and inferior horns visible). Recesses develop in the third ventricle (optic, infundibular, pineal). | ||
|- | |- |
Revision as of 07:29, 14 April 2017
Human Embryonic Ventricular Timeline | ||||||||||||||||||||
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Week | Carnegie Stage | Event | ||||||||||||||||||
Week 4 | Stage 11 | appearance of the optic ventricle. The neural groove/tube space is initially filled with amniotic fluid. | ||||||||||||||||||
Stage 12 | closure of the caudal neuropore, onset of the ventricular system and separates the ependymal from the amniotic fluid. | |||||||||||||||||||
Stage 13 | cavity of the telencephalon medium is visible. | |||||||||||||||||||
Week 5 | Stage 14 | cerebral hemispheres and lateral ventricles begin, rhomboid fossa becomes apparent. | ||||||||||||||||||
Stage 15 | medial and lateral ventricular eminences cause indentations in the lateral ventricle | |||||||||||||||||||
Week 6 | Stage 16 | hypothalamic sulcus is evident. | ||||||||||||||||||
Stages 17 - 18 | interventricular foramina are becoming relatively smaller, and cellular accumulations indicate the future choroid villi of the fourth and lateral ventricles. | |||||||||||||||||||
Week 7 | Stage 18 | areae membranaceae rostralis and caudalis are visible in the roof of the fourth ventricle, and the paraphysis is appearing. | ||||||||||||||||||
Stage 19 | choroid villi are visible in the fourth ventricle, and a mesencephalic evagination (blindsack) is visible | |||||||||||||||||||
Week 8 | Stage 20 | choroid villi are visible in the lateral ventricle. | ||||||||||||||||||
Stage 21 | olfactory ventricle is visible. | |||||||||||||||||||
Stages 21-23 | lateral ventricle has become C-shaped (anterior and inferior horns visible). Recesses develop in the third ventricle (optic, infundibular, pineal). | |||||||||||||||||||
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Reference: <pubmed>2285038</pubmed> |