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).

Last updated on January 20th, 2021

You will also like...

Psychiatry and mental disorders
Psychiatry & Mental Disorders

Different mental disorders are described here. Read this tutorial to get an overview of schizophrenia, affective mood di..

Crossing Over and Genetic Diversity
Inheritance and Probability

Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..

squirrel
Animal Water Regulation

Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..

Plant meristem
Plant Meristems and Growth

In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..

Oligodendrocyte and Schwann cell
The Central Nervous System

Myelin sheath is essential for a faster conductivity of signals. Know more about this feature of some neurons in the Cen..

vitamins
A Balanced Vitamin Diet – Vitamins A – K

A balanced diet is essential to a healthy organism. Insufficiency or too much of a particular element or compound, such ..