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Definition
The conjunctiva is a mucous membrane that can be divided into three anatomical subdivisions: (1) palpebral, (2) forniceal, and (3) bulbar. The palpebral conjunctiva is firmly attached to both the upper and lower tarsi; however it is more firmly attached to the upper tarsus.
Structure
The palpebral conjunctiva begins at the posterior third of the meibomian gland openings of each eyelid. At this mucocutaneous junction, the cells change from a keratinized stratified squamous epithelium of the skin to a nonkeratinized stratified squamous epithelium of the marginal conjunctiva. Nasally, this mucocutaneous junction is where the conjunctiva connects to the lacrimal puncta (Figs. 1 and 2).
Further Reading
Greiner JV, Covington HI, Allansmith MR (1977) Surface morphology of the human upper tarsal conjunctiva. Am J Ophthalmol 83:892–905
Kessing SV (1968) Mucous gland system of the conjunctiva. A quantitative normal anatomical study. Acta Ophthalmol (Copenh) Suppl 95:91
Knop N, Knop E (2000) Conjunctiva-associated lymphoid tissue in the human eye. Invest Ophthalmol Vis Sci 41(6):1270–1279
Wei ZG, Cotsarelis G, Sun TT, Lavker RM (1995) Label-retaining cells are preferentially located in fornical epithelium: implications on conjunctival epithelial homeostasis. Invest Ophthalmol Vis Sci 36:236–246
Wei A, Hong J, Sun X, Xu J (2011) Evaluation of age-related changes in human palpebral conjunctiva and meibomian glands by in vivo confocal microscopy. Cornea 30(9):1007–1012
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Ram, R., Goren, M.B. (2014). Palpebral Conjunctiva. In: Schmidt-Erfurth, U., Kohnen, T. (eds) Encyclopedia of Ophthalmology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35951-4_845-1
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DOI: https://doi.org/10.1007/978-3-642-35951-4_845-1
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