Retinal nerve fibers exit the eye through the optic nerve, located nasally and on the same plane as the anatomical center of the retina. There is no retinal tissue overlying the optic nerve head. The optic nerve head or optic disc is oval in shape and measures approximately 1.75 mm. vertically and 1.5 mm horizontally.
Click on the thesaurus category heading under the button in an entry to see the synonyms and related words for that meaning. the strength and power that are considered typical qualities of a man, especially sexual energy virility symbol: His car is a red turbo-charged Porsche, the classic virility symbol. Synonyms and related words. Physical strength:strength, force, energy...
The word was first used in the 15th century. Virility in men is akin to fertility in women. It looks like the word you're thinking of is virile, in which case the definition is having traditionally masculine traits, a man with strength, vigour, energy, and a strong sex drive. Some note that a beard can be a sign of virility. More specifically virile may refer to one that is very capable of procreating. The word was first used in the 15th century. Virility in men is akin to fertility in women.