Common tendinous ring
a fibrous ring that surrounds the optic canal and the medial part of the superior orbital fissure; it gives origin to the four rectus muscles of the eye and is partially fused with the sheath of the optic nerve.
Synonym: annulus tendineus communis, Zinn’s ligament, Zinn’s ring, Zinn’s tendon.
Dictionary > Common tendinous ring
You will also like...
A Balanced Diet – Carbohydrates and Fat
Apart from vitamins, the human body also requires high energy sources such as carbohydrates and fats. If you want an ove..
ATP & ADP – Biological Energy
ATP is the energy source that is typically used by an organism in its daily activities. The name is based on its structu..
Plant Biology
Plantlife can be studied at a variety of levels, from the molecular, genetic and biochemical level through organelles, c..
Takahē (Porphyrio hochstetteri)
Meet the colorful takahē, an extremely rare flightless bird. Find out more about its unique features and why they matte..
Freshwater Lentic Communities & Animals
This tutorial looks at some of the communities in freshwater lentic habitats. For instance, symbiosis occurs in a commun..
Community Patterns
Learn about community patterns and the ecological factors influencing these patterns. Revisit some of the ecosystems you..