Stage15_bf5.jpg (448 × 600 pixels, file size: 23 KB, MIME type: image/jpeg)
Human Embryo Carnegie Stage 15
Carnegie Collection Embryo No.3512
Facts: Week 5, 35 - 38 days, 7 - 9 mm
View: Posterior view. Amniotic membrane removed.
Ectoderm: sensory placodes, lens pit, otocyst, nasal pit, primary/secondary vesicles, fourth ventricle of brain,
Mesoderm: heart prominence
Head: 1st, 2nd and 3rd pharyngeal arch, forebrain, site of lens placode, site of otic placode, stomodeum
Body: heart, liver, umbilical cord, mesonephric ridge
Limb: upper and lower limb buds, hand plate
Identify: midbrain region, nasal pit, lens pit, 1st, 2nd and 3rd pharyngeal arches, 1st pharyngeal groove, maxillary and mandibular components of 1st pharyngeal arch, fourth ventricle of brain, heart prominence, cervical sinus, upper limb bud, mesonephric ridge, lower limb bud, umbilical cord
|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. (2021, May 16) Embryology Stage15 bf5.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage15_bf5.jpg
- © Dr Mark Hill 2021, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
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|current||12:19, 7 August 2011||448 × 600 (23 KB)||S8600021||==Human Embryo Carnegie Stage 15== Carnegie Collection Embryo No.3512 Facts: Week 5, 35 - 38 days, 7 - 9 mm View: Lateral left view. Amniotic membrane removed. Events Ectoderm: sensory placodes, lens pit, otocyst, nasal pit, primary/secondary vesicles|