File:Stage 22 image 322.jpg

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Human Embryo Carnegie stage 22

Ventricular System

lateral ventricle (anterior and inferior horn)
interventricular foramen
third ventricle

Neural System

cortex
mesencephalic vesicle
thalamus

subarachnoid space

In the human embryo identify the large telencephalic vesicles and the choroid plexus. The cavity in these (the lateral ventricles) communicate with the ventricle of the diencephalon (3rd ventricle) through the interventricular foramen. The basal part of the telencephalon forms the basal ganglia, a solid mass. Posteromedially these basal ganglia are in contact with the diencephalon. The large masses in either side of the diencephalon form the thalami.

Links: Unlabeled Image | Measured Image | Image A4 labeled | Carnegie stage 22 | Ventricular System Development

Selected Embryo Histology - Week 8 (Stage 22)
Selected Human Embryo Histology - Stage 22 (week 8) developing cortex labeled central nervous system and ventricles central nervous system and ventricles measured image nose and eyes eye optic nerve lens lens and pigmented epithelium lens and pigmented epithelium head region measured developing cochlea pituitary pituitary measured pituitary vertebra and spinal cord mesonephric ducts and bladder developing testis developing testis labeled developing testis developing testis labeled midgut herniation pelvic region - rectum and bladder pelvic region - rectum and bladder labeled pelvic region - rectum pelvic region - rectum labeled Aorta filled with red blood cells Lungs and thymus Dorsal aorta Placental blood vessels
Links: Carnegie stage 22 \| Week 8

Cite this page: Hill, M.A. (2024, April 25) Embryology Stage 22 image 322.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage_22_image_322.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	12:43, 17 November 2011		1,180 × 999 (254 KB)	S8600021 (talk \| contribs)	==Human Embryo Carnegie stage 22== ===Ventricular System=== * lateral ventricle (anterior and inferior horn) * interventricular foramen * third ventricle ===Neural System=== * cortex * mesencephalic vesicle * thalamus * subarachnoid space In the human

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