Sensory - Carnegie Stage 22: Difference between revisions
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! Name | ! Name | ||
! Description | ! Description | ||
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| [[File:Stage_22 image 054.jpg|200px]] | |||
| [[:File:Stage_22 image 054.jpg|A5L]] | |||
| Olfactory bulbs. | |||
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| [[File:Stage_22 image 055.jpg|200px]] | | [[File:Stage_22 image 055.jpg|200px]] | ||
| [[:File:Stage_22 image 055.jpg|A6L]] | | [[:File:Stage_22 image 055.jpg|A6L]] | ||
| Interorbital ligament. nasal septum. primitive | | Interorbital ligament. nasal septum. primitive olfactory epithelium. | ||
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Revision as of 19:44, 24 August 2010
Introduction
Senses Links: Introduction | placode | Hearing and Balance hearing | balance | vision | smell | taste | touch | Stage 22 | Category:Sensory |
Vision
Section | Name | Description |
---|---|---|
A6L | Cornea. Anteriorchamber. Lens. Vitreous body. Sensory retina. optic ventricle (artefact). Pigment epithelium.
Conjunctival sac. Primordium of lacrimal glands (near lateral fornix of conjunctival sac). Interorbital ligament. Nose. upper eyelids. | |
A7L | Medial rectus muscle. Primordium of nasolacrimal ducts.
Upper eyelid (lateral). Lower eyelid (medial). | |
B1L | Optic nerve. Note extensive temporal region of retina.
Primordium of nasolacrimal ducts. | |
B2L | Medial and lateral rectus muscles. Pigment epithelium.
Note relationship of eye to nasal capsule, sphenoid cartilage and trigeminal ganglion. Primordium of nasolacrimal ducts (cut obliquely). | |
B3L | On left, note course of maxillary division of trigeminal in relation to position of eye (superior to this level). |
Hearing and Balance
Section | Name | Description |
---|---|---|
B3L | Rhombic lip (developing cerebellum). IVth ventricle. Trigeminal ganglion. Adenohypophysis. Sphenoid cartilage. | |
B4L | Cochlear duct and temporal cartilage. Semicircular duct (ampulla on L). precartilage of auricle (pinna). malleus (medial, L). Incus (lateral, L). | |
B5L | Extemal auditory meatus. Auricle.
Incus (dorsal). Malleus (ventral). Tubotympanic recess (auditory rube). Tensor tympani m. (L). Utricle. Semicircular ducts. Intemal auditory meatus (R), containing vestibular and spiral ganglia. Endolymphatic sac (L). Note proximity of sac to choroid plexus of 4th ventricle. | |
B6L | External auditory meatus. Primordium of tympanic membrane (L).
Manubrium of malleus(L). Meckel's cartilage. Stapes (R). Auditory tube. Basal turn of cochlea duct (L). Endolymphatic sac (R). Common crus (R). Junction of utricle and saccule (R). |
Smell
Section | Name | Description |
---|---|---|
A5L | Olfactory bulbs. | |
A6L | Interorbital ligament. nasal septum. primitive olfactory epithelium. | |
A7L | Description | |
B1L | Description | |
B2L | Vomeronasal organs (dark spots) beside nasal septum. | |
B3L | Nasolacrimal ducts | |
B4L | Tongue | |
B5L | Unfused palatale shelves either side of tongue. section through mandible (top of image). |
All Sections
A1L | A2L | A3L | A4L | A5L | A6L | A7L |
B1L | B2L | B3L | B4L | B5L | B6L | B7L |
C1L | C2L | C3L | C4L | C5L | C6L | C7L |
D1L | D2L | D3L | D4L | D5L | D6L | D7L |
E1L | E2L | E3L | E4L | E5L | E6L | E7L |
F1L | F2L | F3L | F4L | F5L | F6L | F7L |
G1L | G2L | G3L | G4L | G5L | G6L | G7L |
Glossary Links
- Glossary: 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 | Numbers | Symbols | Term Link
Cite this page: Hill, M.A. (2024, April 19) Embryology Sensory - Carnegie Stage 22. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Sensory_-_Carnegie_Stage_22
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G