Talk:BGDB Face and Ear - Late Embryo

From Embryology
Revision as of 17:16, 15 April 2011 by S8600021 (talk | contribs) (→‎Optic and Nasal Region)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

BGD Internal Links 2009 Practical Head 3. Late Embryo


Carnegie stage 22

Optic and Nasal Region

A5: Root of nose with interorbital ligament behind. Developing calvaria. Olfactory bulbs.

A6: Nose. Interorbital ligament. Nasal septum and nasal capsule. Eyes and eyelids. Thalamus/hypothalamus. Part of circle of Willis.

A7: Eyes. Nasal septum. Middle conchae. Sphenoid cartilage.

B1: Optic nerve.

B2: Neurohyophysis and adenohypophysis. Remnant of Rathke's pouch (residual lumen) in adenohypophysis. Trigeminal ganglion. Internal carotid arteries. Vomeronasal organs, lateral to nasal septum. Nasal plug (transient). Nasal conchae.

B3: Trigeminal nerve and ganglion, with maxillary division emerging. Pterygopalatine ganglion. Nasalconchae. Adenohypophysis.

B4: Tongue. Otic capsule. Cochlea. Between B3 and B4, the junction of nasopharynx and oropharynx.

B5: Tongue with palatal process either side. Pharyngotympanic tubes (Eustachian tube -derived from pharyngeal pouch 1). External ear pinna.

  • Bailey096.jpg
  • Bailey097.jpg
  • Bailey098.jpg
  • Bailey099.jpg
Retrieved from ‘https://embryology.med.unsw.edu.au/embryology/index.php?title=Talk:BGDB_Face_and_Ear_-_Late_Embryo&oldid=52651’
Powered by MediaWiki