Integumentary System - Eyelid Development: Difference between revisions
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==Human Eyelid Timeline== | ==Human Eyelid Timeline== | ||
The following data is from a study of human embryonic carnegie stages.<ref><pubmed>7364662</pubmed></ref> | {| | ||
| The following data is from a study of human embryonic carnegie stages.<ref><pubmed>7364662</pubmed></ref> | |||
* [[Carnegie_stage_10|Stage 10]] optic primordia appear. | * [[Carnegie_stage_10|Stage 10]] optic primordia appear. | ||
* [[Carnegie_stage_13|Stage 13]] - By the end of the fourth week the optic vesicle lies close to the surface ectoderm. The surface ectoderm overlying the optic vesicle, in response to this contact, has thickened to form the lense placode. | * [[Carnegie_stage_13|Stage 13]] - By the end of the fourth week the optic vesicle lies close to the surface ectoderm. The surface ectoderm overlying the optic vesicle, in response to this contact, has thickened to form the lense placode. | ||
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* [[Carnegie_stage_20|Stage 20]] - the inner canthus is established. | * [[Carnegie_stage_20|Stage 20]] - the inner canthus is established. | ||
* [[Carnegie_stage_23|Stage 23]] - closure of the eyelids is complete (Note - shown as still open in the Kyoto embryo). | * [[Carnegie_stage_23|Stage 23]] - closure of the eyelids is complete (Note - shown as still open in the Kyoto embryo). | ||
| The images below link to virtual slides of the human developing eye at [[Carnegie stage 22]]. Click on the image to open or select specific regions from the regions of interest links. | |||
{{SlideStage22-08}}<br>{{SlideStage22-08-eye}}<br> | |||
===Virtual Slide - Regions of Interest=== | |||
* [http://embryology.med.unsw.edu.au/embryology/Slides/Embryo_Stages/Stage22/08-eye/Stage22-08-eye.html?zoom=3&lat=-3544&lon=4688&layers=B Eye Overview] | |||
* [http://embryology.med.unsw.edu.au/embryology/Slides/Embryo_Stages/Stage22/08-eye/Stage22-08-eye.html?zoom=4&lat=-2030&lon=2572&layers=B Lens and Cornea] | |||
* [http://embryology.med.unsw.edu.au/embryology/Slides/Embryo_Stages/Stage22/08-eye/Stage22-08-eye.html?zoom=5&lat=-1208&lon=2473&layers=B Cornea and Anterior Chamber] | |||
'''Links:''' [[Embryo Virtual Slides]] | |||
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==Adult Anatomy== | ==Adult Anatomy== |
Revision as of 09:11, 12 September 2014
Introduction
Note that some species, such as rodents, are born with closed eyelids.
The palpebral commissure (canthus) is located at the corner of the eye where the upper and lower eyelids meet.
Vision Links: vision | lens | retina | placode | extraocular muscle | cornea | eyelid | lacrima gland | vision abnormalities | Student project 1 | Student project 2 | Category:Vision | sensory | ||
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Some Recent Findings
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More recent papers |
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This table allows an automated computer search of the external PubMed database using the listed "Search term" text link.
More? References | Discussion Page | Journal Searches | 2019 References | 2020 References Search term: Eyelid Embryology <pubmed limit=5>Eyelid Embryology</pubmed> |
Human Eyelid Timeline
The following data is from a study of human embryonic carnegie stages.[4]
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The images below link to virtual slides of the human developing eye at Carnegie stage 22. Click on the image to open or select specific regions from the regions of interest links.
Virtual Slide - Regions of InterestLinks: Embryo Virtual Slides |
Adult Anatomy
The palpebral commissure (canthus) is located at the corner of the eye where the upper and lower eyelids meet.
Abnormalities
Congenital upper eyelid ectopic cilia
References
Reviews
<pubmed>15558481</pubmed> <pubmed>6387662</pubmed>
Articles
<pubmed>15020428</pubmed> <pubmed>8270467</pubmed> <pubmed>7125235</pubmed>
Search PubMed
Search Pubmed: Eyelid Development
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, June 4) Embryology Integumentary System - Eyelid Development. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Integumentary_System_-_Eyelid_Development
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G