UNSW Embryology
Serial Sections Carnegie Stage 22 (27mm Human Embryo) Head Set A1-C3	Embryology Home Page
Page LinksIntroductionHuman SectionsGlossary of Terms Other Pages: Head | Body 1 | Body 2 | Body 3	Human Embryo Homepage
Introduction These are sections from the Carnegie stage 22 Human Embryo is 27mm in size and approximately equal to day 54 - 56 of development. Levels indicated on images are only approximate. The table below takes you to each high power image with features labelled. Serial Sections have been grouped and staggered so as to see features in adjacent sections. Click on the Section name in the table on the right to see the original single slices. HUMAN Sections (st22) A1 A2 A3 A4 A5 A6 A7 B1 B2 B3 B4 B5 B6 B7 C1 C2 C3 C4 C5 C6 C7 D1 D2 D3 D4 D5 D6 D7 E1 E2 E3 E4 E5 E6 E7 F1 F2 F3 F4 F5 F6 F7 G1 G2 G3 G4 G5 G6 G7
A1-A5 Brain Ventricles Calveria Labelled A1 A2 A3 A4 A5 A6-B3 Eye Nose Trigeminal G. A6 A7 B1 B2 B3   B4-C1 Oral cavity Brainstem Pharynx B4 B5 B6 B7 C1   B7-C3 Neck Pharynx B7 C1 C2 C3
Glossary of Terms A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S |T | U | V | W | X | Y | Z
About Notes These notes from the Embryology Program compiled and written by Dr Mark Hill. The figures are from the original microfiche sets used in both the Medicine and Science Embryology Courses in the School of Anatomy, University of New South Wales. Acknowledgements UNSW Embryology Homepage	Links Serial Sections Homepage Human Homepage Pig Homepage Sagittal Sections
m.hill@unsw.edu.au Date Last Modified: 19/3/99 This site maintained by Dr M. Hill