BGDB Face and Ear - Early Embryo: Difference between revisions
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==Carnegie Stage 12 to 14== | ==Carnegie Stage 12 to 14== | ||
===Week 4=== | |||
[[File:Stage12_sem1c.jpg]] [[File:Stage12 bf2c.jpg]][[File:Stage12_bf1c.jpg]] | [[File:Stage12_sem1c.jpg]] [[File:Stage12 bf2c.jpg]][[File:Stage12_bf1c.jpg]] | ||
===Week 5=== | |||
[[File:Stage13_sem1c.jpg]] [[File:Stage13_bf1c.jpg]] [[File:Stage13_sem2c.jpg]] | |||
==Sensory Placodes== | ==Sensory Placodes== |
Revision as of 12:58, 15 April 2011
Practical 6: Trilaminar Embryo | Early Embryo | Late Embryo | Fetal | Postnatal | Abnormalities |
Week 4
During week 4 a number of features appear visible on the embryo surface:
At the level of the body somite bulges and limb buds appear. At the level of the head sensory placodes and pharyngeal arches appear.
Carnegie Stage 12 to 14
Week 4
Week 5
Sensory Placodes
Pharyngeal Arches
Stage 13 Pharyngeal Arches
Look through the cross-sections of the stage 13 embryo observing and identfying structures of the face and ear visible at this stage.
Stage 13 Pharynx
Structures derived from Arches
Structures derived from Pouches
Practical 6: Trilaminar Embryo | Early Embryo | Late Embryo | Fetal | Postnatal | Abnormalities |
BGDB: Lecture - Gastrointestinal System | Practical - Gastrointestinal System | Lecture - Face and Ear | Practical - Face and Ear | Lecture - Endocrine | Lecture - Sexual Differentiation | Practical - Sexual Differentiation | Tutorial
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Cite this page: Hill, M.A. (2024, May 19) Embryology BGDB Face and Ear - Early Embryo. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/BGDB_Face_and_Ear_-_Early_Embryo
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G