Dictionary > Conjunctival sac

Conjunctival sac

Definition
noun
(1) A gap or space formed between the eyelids and eyeball.
(2) A fornix bound by the conjunctival membrane between the palpebral and bulbar conjuctiva of the eye.
Supplement
The conjunctival sac enables the eyelids to move freely over the surface of the eyeball as the eyelids open and close, and into which the lacrimal fluid is secreted.
Word origin: conjunctival < conjunctiva: from Medieval Latin (membrāna) coniūnctīva, connective (membrane); sac: from L. saccus, “bag”.
Synonym: saccus conjunctiva (Latin name).


You will also like...

Wart-like leaf galls on grape leaves
Plant Cell Defense

Plants protect themselves by releasing hydrogen peroxide to fight against fungal invasion. Another way is by secreting c..

river
Running Water Freshwater Communities

This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

Protein (illustration)
Protein Variety

The sequence of amino acids determines the type of protein. Protein is synthesized according to the sequence of nucleoti..

Chromosomes X and Y and Sex Determination
Chromosomes X and Y and Sex Determination

This tutorial looks at sex determination via the sex chromosomes, X and Y. Read it to get more info on X and Y chromosom..

Transpiration
Water in Plants

The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..

An artist depiction of a Precambrian multicellular life form.
The Evolution of Cell Organelles

The nucleus containing the genetic material, DNA, and the mitochondria, well-identified as the "powerhouse of the cell",..

Related Articles...

No related articles found

See all Related Topics