File:Stage21 bf4.jpg

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Human Embryo Carnegie Stage 21

Carnegie collection Stage 21 Embryo No. 7592

Facts: Week 8, 53 - 54 days, 22 - 24 mm

View: Lateral left view. Amniotic membrane removed.

Features: scalp vascular plexus, eylid, eye, nose, auricle of external ear, arm, elbow, wrist, knee, notch between digital rays, umbilical cord

Identify: straightening of trunk, pigmented eye, eyelid, nose, external acoustic meatus, scalp vascular plexus, webbed digits, liver prominance, thigh, ankle, foot plate, umbilical cord

Carnegie stage 21: 7592 Right | 7592 Anterior | 7592 Left | 8553 Right | 8553 Anterior | 8553 Left | 4090 Right | 4090 Anterior | 4090 Left


Stage 21 Links: Week 8 | System Development | Lecture - Limb | Lecture - Head Development | Lecture - Sensory | Science Practical - Head | Science Practical - Sensory | Science Practical - Urogenital | Historic - Skull Development | Carnegie Embryos | Madrid Embryos | Category:Carnegie Stage 21 | Next Stage 22
  Historic Papers: 1897 Coelom | 1911 Larynx | 1954 Stage 19-23


Week: 1 2 3 4 5 6 7 8
Carnegie stage: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23



Cite this page: Hill, M.A. (2024, April 19) Embryology Stage21 bf4.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage21_bf4.jpg

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

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Date/TimeThumbnailDimensionsUserComment
current08:12, 7 August 2011Thumbnail for version as of 08:12, 7 August 2011413 × 555 (25 KB)S8600021 (talk | contribs)==Human Embryo Carnegie Stage 21== Carnegie collection Stage 22 Embryo No.7392 Facts: Week 8, 53 - 54 days, 22 - 24 mm View: Lateral view. Amniotic membrane removed. Features: scalp vascular plexus, eylid, eye, nose, auricle of external ear, arm, elbo