Search Results for: optic
Foramen opticum
Foramen opticum --> optic canal The short canal through the lesser wing of the sphenoid bone at the apex of the orbit... Read More
Vagina interna nervi optici
vagina interna nervi optici --> internal sheath of optic nerve (Science: anatomy, nerve) The innermost sheath around the... Read More
Prechiasmatic sulcus
prechiasmatic sulcus --> chiasmatic groove The groove on the upper surface of the sphenoid bone running transversely... Read More
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal and... Read More
Cranial nerve
Definition noun, plural: cranial nerves Any of the paired nerves emerging from the brain (including the brainstem but not... Read More
Common tendinous ring
Common tendinous ring a fibrous ring that surrounds the optic canal and the medial part of the superior orbital fissure; it... Read More
Blindness – Evolutionary regression? Maybe not!
The recent Netflix's hit flick, Bird Box, surely startled the viewers with the thrilling scenarios revolving around the... Read More
Quadrantanopia
Definition noun, plural: quadrantanopias A visual field defect characterized by a loss of vision in a quarter section of the... Read More
Macula lutea
Macula lutea An oval area in the retina, 3 to 5 mm in diameter, usually located temporal to the posterior pole of the eye... Read More
Ala orbitalis
Ala orbitalis --> lesser wing of sphenoid bone One of a bilateral pair of triangular, pointed plates extending laterally... Read More
Pupillary light reflex
Definition noun, plural: pupillary light reflexes A reflex marked by the constriction of the pupil in response to the... Read More
Aqueous humor
Definition noun, plural: aqueous humors A clear, watery body fluid secreted by the ciliary epithelium, and fills the... Read More
Mitochondrial DNA
Mitochondrial DNA Definition noun plural: mitochondrial DNAs The genetic material in the mitochondrion that carries code... Read More
Sense organ
Definition noun, plural: sense organs An organ or structure that has nerve endings capable of detecting and reacting to a... Read More
Sphenethmoid
Definition noun It designed to both sphenoid and ethmoid regions of the cranium that surrounds the anterior portions of the... Read More
Punctum caecum
Definition noun A region in the retina that does not contain photoreceptors thus leads to the normal blind spot in the... Read More
Amaurotic pupil
Amaurotic pupil pupil in an eye that is blind because of ocular or optic nerve disease; this pupil will not contract to... Read More
Axial ametropia
Axial ametropia That resulting from a shortening or lengthening of the eyeball on the optic axis, causing hyperopia or... Read More
Mitochondrion
Mitochondrion Definition What are mitochondria? The term “mitochondrion” comes from the two words of the Greek... Read More
Internal capsule
Definition noun (anatomy) A fan-like, 8-10 mm thick of white matter separating the caudate nucleus and the thalamus from the... Read More