Template:BGDA Practical - Week 8 movies table

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Week 8 - Stage 23 Movies  

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Embryo Surface Carnegie Stage 23

This movie shows an unlabeled MRI 3D volume embryo surface scan around the Kyoto embryo (stage 23, week 8).


Note:

  • Size of head relative to trunk.
  • Position and size of limbs.
  • Herniated midgut outside ventral body wall.
Embryo Surface Carnegie Stage 23

This is a second surface view of the stage 23 embryo from photomicrographs.

Compare this to the above MRI view.

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Central Nervous System

This movie shows a MRI 3D volume scan inside the Kyoto embryo (stage 23, week 8).

The labelled sagittal head section movie show further detail.


Note:

  • Surface size and position of the CNS within the embryo.
  • Growth of the cortex (telencephalon)
  • Neural flexures forming large IV ventricular space.

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Midgut Herniation

This movie shows an extract from the whole embryo sagittal MRI scan (left to right) through a Kyoto embryo (stage 23, week 8).

The extracted region shows the midgut (intestines) lie outside the ventral body wall (midgut herniation) at the end of the embryonic period.

This herniation will not be lost until the early fetal period.

Abnormalities can arise from either abnormal body wall development or from gastrointestinal tract development.

(More? Ultrasound Gastroschisis | Omphalocele)

Stage23 MRI 3D01 icon.jpg
 ‎‎Embryo Surface
Page | Play
Stage23 MRI 3D02 icon.jpg
 ‎‎Embryo CNS
Page | Play
Stage23 MRI S04 icon.jpg
 ‎‎Sagittal GIT
Page | Play
Stage 23 MRI Movies: Surface | Central Nervous System | CNS (labeled) | Sagittal | Sagittal (labeled) | Transverse | Transverse (labeled) | Coronal | Sagittal Head (labeled) | Sagittal GIT (labeled) | Carnegie stage 23


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


Stage 23 Links: Week 8 | System Development | Lecture - Limb | Lecture - Head Development | Lecture - Sensory | Science Practical - Head | Science Practical - Sensory | Science Practical - Urogenital | Historic - Skull Development | Carnegie Embryos | Madrid Embryos | Category:Carnegie Stage 23 | Next Fetal Development
  Historic Papers: 1954 Stage 19-23




BGDA Week 4 Movies | BGDA Week 6 Movies | BGDA Week 8 Movies