Conjunctival Epithelium
Conjunctival Epithelium - Related Videos
05:05
Technique of Conjunctival Biopsy and Direct Immunofluorescence for Diagnosing Mucous Membrane Pemphigoid
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2025
Here, we present a protocol for harvesting and processing conjunctival biopsy to identify mucous membrane pemphigoid.
04:45
Swab-based Conjunctival Commensal Bacteria Isolation: A Technique to Isolate Commensal Bacteria from Conjunctiva of Murine Model
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2025
This video describes a swab-based technique to isolate viable commensal bacteria from the ocular conjunctiva. The technique can be used to profile the commensal bacterial microbiome of the conjunctiva, which plays a defensive role against pathogens.
07:52
Conjunctival Commensal Isolation and Identification in Mice
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2021
Presented here is a protocol for the isolation and amplification of aerobic and facultative anaerobic mouse conjunctival commensal bacteria using a unique eye swab and culture-based enrichment step with subsequent identification by microbiological based methods and MALDI-TOF mass spectrometry.
03:38
Isolation of Circumvallate Papillae (CVP) Epithelium from Mouse Model: An Enzymatic Procedure to Separate CVP Epithelium from Mouse Tongue
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2025
In this video, we describe the isolation of circumvallate papillae (CVP) epithelium from a murine tongue.
08:27
Multielectrode Array Recordings of the Vomeronasal Epithelium
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Cited by 14 •
2010
Multielectrode array (MEA) recordings provide a method for studying the electrical activity of large populations of neurons. Here, we present the details of a MEA preparation to record from the mouse vomeronasal epithelium while simultaneously stimulating the tissue.
FAQs
The epithelial layer provides a physical boundary that helps shield the exposed sclera and inner eyelids from environmental challenges. Its tight junctions further restrict the passage of pathogens and irritants between cells. Together, these features support surface protection while preserving the tissue’s role in maintaining a stable interface between the eye and its surroundings.
Goblet-cell mucins contribute to tear-film stability by supporting the spread and retention of lubrication across the ocular surface. This function complements the epithelial barrier rather than replacing it. When clinicians consider epithelial health, secretion is therefore relevant alongside cellular appearance and integrity because altered secretion may affect surface maintenance and contribute to ocular-surface symptoms.
Tight junctions connect neighboring epithelial cells in a way that limits penetration of pathogens and irritants. Their barrier role gives epithelial integrity clinical importance: disruption or abnormal appearance can signal ocular-surface problems and may help explain increased vulnerability to inflammation or irritation. Assessment of this tissue therefore considers more than visible redness alone.
Clinical examination of conjunctival epithelium can contribute to assessment of conjunctivitis, allergy, dry eye disease, inflammation, and other ocular-surface disorders. The examiner considers changes in epithelial appearance, integrity, and secretion rather than relying on a single feature. These observations can help organize the clinical picture and support decisions about subsequent management.
Changes in epithelial appearance, integrity, or secretion can provide clinically relevant evidence when selecting treatment for ocular-surface disease. Appearance may indicate tissue disturbance, integrity reflects barrier condition, and secretion relates to tear-film support. Interpreting these features together helps connect examination findings with disorders such as conjunctivitis, allergy, dry eye disease, or inflammation.
Follow-up assessment can use changes in conjunctival epithelial appearance and integrity to evaluate tissue repair. Improvement in these features may indicate recovery of the ocular surface, whereas persistent abnormalities can suggest ongoing disturbance. Secretion also remains relevant because repair concerns both restoration of epithelial condition and continued support for tear-film stability and lubrication.