Stage 16 MRI Movie 5

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Carnegie Stage 16 - Coronal MRI

This movie shows an unlabeled MRI coronal scan inside the Kyoto embryo (stage 16, week 6). Compare this with the earlier stage 13 (week 4) embryo.

Note:

  • Growth of limb buds.
  • Development of the vision and hearing sensory vesicles (optic and otic) and their relative positions (optic at the diencephalon; otic at the metencephalon).
  • The lamina terminalis at the end of the neural tube (site of cranial/anterior neuropore closure).
  • The 5 secondary brain vesicles.
  • The large ventricular space within the tube, divided into future regions.
  • The lateral walls of the neural tube forming alar and basal plates (particularly obvious along spinal cord).
  • The top and bottom of the neural tube forming thin roof and floor plates (particularly obvious along spinal cord).
  • The large dorsal root ganglia along the length of the spinal cord.
  • The 3 brain flexures; cephalic (or mesencephalic), pontine and cervical.


Links: MP4 | Neural System Development | Carnegie stage 16 | Week 6 | Movies


Stage 16 Movies: MRI Surface | MRI Surface (labeled) | MRI Central Nervous System | MRI CNS (labeled) | MRI Sagittal | MRI Transverse | MRI Coronal | EFIC Sagittal | EFIC Transverse | EFIC Coronal | EFIC Coronal (label) |
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Labeled Version

This labelled version shows the Stage 16 embryo rotating with the CNS spinal cord and the secondary brain vesicles and flexures labeled.

Note:

  • Growth of limb buds.
  • Development of the vision and hearing sensory vesicles (optic and otic) and their relative positions (optic at the diencephalon; otic at the metencephalon).
  • The lamina terminalis at the end of the neural tube (site of cranial/anterior neuropore closure).
  • The 5 secondary brain vesicles.
  • The large ventricular space within the tube, divided into future regions.
  • The lateral walls of the neural tube forming alar and basal plates (particularly obvious along spinal cord).
  • The top and bottom of the neural tube forming thin roof and floor plates (particularly obvious along spinal cord).
  • The large dorsal root ganglia along the length of the spinal cord.
  • The 3 brain flexures; cephalic (or mesencephalic), pontine and cervical.


Neural Parts: neural | prosencephalon | telencephalon cerebrum | amygdala | hippocampus | basal ganglia | lateral ventricles | diencephalon | Epithalamus | thalamus | hypothalamus‎ | pituitary | pineal | third ventricle | mesencephalon | tectum | cerebral aqueduct | rhombencephalon | metencephalon | pons | cerebellum | myelencephalon | medulla oblongata | spinal cord | neural vascular | meninges | Category:Neural


Week: 1 2 3 4 5 6 7 8
Carnegie stage: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23


Reference

Hill MA. Shiota K. Yamada S. and Ho C. Kyoto Embryology Collection. (2016) Apple iTunes. Retrieved from: https://itunes.apple.com/book/id1143922693

Glossary Links: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers | Symbols | Movies


Cite this page: Hill, M.A. (2019, April 20) Embryology Stage 16 MRI Movie 5. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Stage_16_MRI_Movie_5

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© Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G