Week 10

From Embryology
Embryology - 3 Jul 2020    Facebook link Pinterest link Twitter link  Expand to Translate  
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A personal message from Dr Mark Hill (May 2020)  
Mark Hill.jpg
I have decided to take early retirement in September 2020. During the many years online I have received wonderful feedback from many readers, researchers and students interested in human embryology. I especially thank my research collaborators and contributors to the site. The good news is Embryology will remain online and I will continue my association with UNSW Australia. I look forward to updating and including the many exciting new discoveries in Embryology!

Key Events of Human Development during the tenth week (week 10) following fertilization or GA week 12 (Clinical LMP).

Day
Stage
Event
64
Size comparison embryo-fetus actual.jpg

gastrointestinal tract - intestines in abdomen

pituitary - growth hormone and ACTH detectable

pancreas - glucagon (alpha) differentiate first, somatostatin (delta), insulin (beta) cells differentiate, insulin secretion begins

tongue - shallow grooves above the taste bud primordium

stomach - Glucagon containing cells in stomach fundus.

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Week 10 - CRL 55 mm, femur length 9 mm, biparietal diameter 17 mm


Ossification Week 10[1] (No. 284, 54 mm long)
Mall1906 fig04.jpg Mall1906 fig02.jpg
Mesial view of the head of embryo. The centers of tke occipital bone surround the foramen magnum. Behind the maxilla may be seen the palate, the pterygoid, and the alisphenoid in order. Embryo immediately beneath the squamo-zygomatic the alisphenoid may be seen.


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Cite this page: Hill, M.A. (2020, July 3) Embryology Week 10. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Week_10

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© Dr Mark Hill 2020, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G