Human Conjunctiva
Human Conjunctiva - Related Videos
07:35
A Non-invasive Way to Isolate and Phenotype Cells from the Conjunctiva
0 Views •
Cited by 5 •
2017
The exposed normal ocular surface consists of cornea and conjunctiva. Epithelial cells, goblet cells and immune cells are present in the conjunctiva. Here, a non-invasive, technique of impression cytology is described using an impression cytology device and flow cytometry to analyze immune cells in the conjunctiva.
04:45
Swab-based Conjunctival Commensal Bacteria Isolation: A Technique to Isolate Commensal Bacteria from Conjunctiva of Murine Model
0 Views •
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.
06:53
A Custom Multiphoton Microscopy Platform for Live Imaging of Mouse Cornea and Conjunctiva
0 Views •
Cited by 1 •
2020
Presented here is a multiphoton microscopic platform for live mouse ocular surface imaging. Fluorescent transgenic mouse enables the visualization of cell nuclei, cell membranes, nerve fibers and capillaries within the ocular surface. Non-linear second harmonic generation signals derived from collagenous structures provide label-free imaging for stromal architectures.
12:45
Development of a Refined Protocol for Trans-scleral Subretinal Transplantation of Human Retinal Pigment Epithelial Cells into Rat Eyes
0 Views •
Cited by 17 •
2017
Subretinal injection has been widely applied in preclinical studies of stem cell replacement therapy for age-related macular degeneration. In this visualized article, we describe a less risky, reproducible and precisely modified subretinal injection technique via the trans-scleral approach to deliver cells into rat eyes.
07:22
Using a Laminating Technique to Perform Confocal Microscopy of the Human Sclera
0 Views •
Cited by 1 •
2016
Human sclera tissue is mainly collagen; therefore, it is not easily usable for immunohistochemistry. To achieve the goal of performing immunohistochemistry for confocal microscopy of scleral tissue, a laminating technique was used.
FAQs
The stratified epithelial layer acts as a physical barrier at the ocular surface. It helps limit exposure of underlying tissues while maintaining a surface compatible with normal vision. In biological studies, epithelial integrity provides a way to examine how conjunctival protection changes during disease or repair.
Goblet cells contribute to tear-film stability by secreting mucins, substances that help maintain an even protective layer across the ocular surface. When conjunctival biology is examined in relation to dry-eye mechanisms, this secretory function becomes a key point of interest because tear-film support depends on both the epithelial surface and blinking.
Conjunctival blood vessels and resident immune cells provide local support for surveillance and inflammation. Vessels and immune cells therefore help shape how the tissue responds during ocular-surface disease. This perspective is especially relevant when examining allergic, infectious, or other inflammatory conditions affecting the eye.
Blinking mechanically redistributes tears across the conjunctival surface, helping maintain the tear film while also contributing to defense against surface challenges. This makes blink activity biologically relevant to studies of dry-eye mechanisms and ocular-surface protection, because altered tear coverage can affect how effectively the surface is maintained between blinks.
It connects barrier function, tear-film support, immune surveillance, inflammation, and mechanical defense within one area of study. Researchers can therefore use conjunctival biology to investigate conjunctivitis, allergic and infectious eye disease, dry-eye mechanisms, and wound healing. This broad relevance links basic biology with clinical research.
Studies of the conjunctiva can show how ocular-surface tissue responds to injury and to medicines applied topically. Its roles in epithelial barrier function, mucin secretion, tear-film support, immune surveillance, and inflammation provide several biological outcomes to examine. This makes it relevant to evaluating wound-healing responses and understanding how topical drugs interact with the ocular surface.