File:Human embryo skin 8-9 week EGA.jpg

Human Embryo Skin (8-9 week EGA)

Transmission electron micrograph (TEM) of embryonic epidermis showing periderm and basal layer.

Desmosomes are circled and enlarged in k, and the area of the basal cell enlarged in i is enclosed within the box. Note that cells of both layers are filled primarily with glycogen. (I) TEM of a periderm cell showing fine bundles of keratin filaments (arrows).

• 8 to 9 weeks Estimated Gestational Age = about 6 to 8 weeks Fertilization Age
• Magnification x 37,000 (image cropped from figure 1, contrast adjusted)

Links: Epidermis 8-9 week EGA | Epidermis desmosomes 8-9 week EGA | Epidermis 9-11 week EGA | Epidermis 24 week EGA | Integumentary System Development

Reference

Dale BA, Holbrook KA, Kimball JR, Hoff M & Sun TT. (1985). Expression of epidermal keratins and filaggrin during human fetal skin development. J. Cell Biol. , 101, 1257-69. PMID: 2413039

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Cite this page: Hill, M.A. (2024, April 24) Embryology Human embryo skin 8-9 week EGA.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Human_embryo_skin_8-9_week_EGA.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G