File:Stage22 embryo and brain 01.jpg: Difference between revisions
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==Human Embryo Carnegie Stage 22 and Neural Tube Model== | ==Human Embryo Carnegie Stage 22 and Neural Tube Model== | ||
The embryo and how the brain and spinal cord appears during week 8 after fertilisation (Gestational Age - GA week 10). | The embryo and how the brain and spinal cord appears during week 8 after fertilisation (Gestational Age - GA week 10). | ||
The associated detailed description below is not part of the K12 presentation. | |||
* '''Left''' - surface view of a human embryo [[Carnegie stage 22|Week 8]]. | * '''Left''' - surface view of a human embryo [[Carnegie stage 22|Week 8]]. | ||
* '''Right''' - model of neural tube surface appearance at this time and viewed also from the same direction. Note the overall shape and relative sizes of different regions. | * '''Right''' - model of neural tube surface appearance at this time and viewed also from the same direction. Note the overall shape and relative sizes of different brain regions. The neural tube is still a thin-walled tube and is mainly a fluid-filled sac. The fluid (CSF) is formed by a developing choroid plexus lying inside the tube. | ||
:'''Brain and Neural Tube Links:''' [[K12 Brain Awareness Week]] | [[:File:Stage15 embryo and brain 01.jpg|Week 5]] | [[:File:Stage16 embryo and brain 01.jpg|Week 6]] | [[:File:Stage22_embryo_and_brain_01.jpg|Week 8]] | [[Neural System Development|Neural Development]] | [[Carnegie stage 22]] | |||
'''''Gestational Age''' - is the clinical staging term of human development measured from the last menstrual period (indicating when the mother was not pregnant) not from fertilisation (about the time of ovulation of the next cycle).'' | |||
[[Category:Human]] [[Category:Week 8]] [[Category:Carnegie Stage 22]] [[Category:Neural]] | [[Category:Human]] [[Category:Week 8]] [[Category:Carnegie Stage 22]] [[Category:Neural]] |
Latest revision as of 18:16, 14 March 2013
Human Embryo Carnegie Stage 22 and Neural Tube Model
The embryo and how the brain and spinal cord appears during week 8 after fertilisation (Gestational Age - GA week 10).
The associated detailed description below is not part of the K12 presentation.
- Left - surface view of a human embryo Week 8.
- Right - model of neural tube surface appearance at this time and viewed also from the same direction. Note the overall shape and relative sizes of different brain regions. The neural tube is still a thin-walled tube and is mainly a fluid-filled sac. The fluid (CSF) is formed by a developing choroid plexus lying inside the tube.
- Brain and Neural Tube Links: K12 Brain Awareness Week | Week 5 | Week 6 | Week 8 | Neural Development | Carnegie stage 22
Gestational Age - is the clinical staging term of human development measured from the last menstrual period (indicating when the mother was not pregnant) not from fertilisation (about the time of ovulation of the next cycle).
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