321 results found

Search Results for: eye

Master eye

Definition noun The eye preferred for visual input or the eye habitually used for monocular vision Supplement For instance,... Read More

Eye ointment

Eye ointment --> ophthalmic ointment a special ointment for application to the eye that must be free from particles and... 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

Appendages of eye

Appendages of eye --> accessory organs of the eye The eyelids, with lashes and eyebrows, lacrimal apparatus, conjunctival... Read More

Eye

Definition noun, plural: eyes (1) The organ of sight or vision; the visual sense; the sense of seeing. (2) A mark... Read More

Polygenic inheritance

Polygenic inheritance refers to the kind of inheritance in which the trait is produced from the cumulative effects of many... Read More

The Botany of Desire: A Plant’s-Eye View of the World

 The Botany of Desire: A Plant's-Eye View of the World      ... Read More

Reduced eye

reduced eye A simplified design of the ocular optical system, represented as having a single refracting surface and a... Read More

Monocular

Definition adjective (1) Pertaining to (a) the use of only one eye for seeing , or (b) the use of each eye independently, as... 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

Law of Independent Assortment

Law of Independent Assortment Definition The Mendelian inheritance principles are derived from and named after the monk,... Read More

Microphthalmia

Definition noun A condition wherein the eye(s) is/are characteristically smaller than the usual as a result of a disease or... Read More

Pleiotropy

Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More

The Making of the Fittest: DNA and the Ultimate Forensic Record of Evolution

The Making of the Fittest: DNA and the Ultimate Forensic Record of Evolution   ... Read More

Evolution

Reviewed by: Mary Anne Clark, PhD Evolution Definition Evolution (evo‧lu‧tion, ˈɛvəluːʃ(ə)n) is... Read More

Pupil

pupil 1. A youth or scholar of either sex under the care of an instructor or tutor. Too far in years to be a pupil now.... Read More

Equator of eyeball

Equator of eyeball An imaginary line encircling the globe of the eye equidistant from the anterior and posterior... Read More

Ramsden eyepiece

Ramsden eyepiece (Science: microscopy) An ocular consisting of two plano-convex lenses with the plane side of the lower lens... Read More

Sight

sight 1. The act of seeing; perception of objects by the eye; view; as, to gain sight of land. A cloud received him out of... Read More

Medial canthus

Definition noun, plural: medial canthi The medial angle or corner of the eye where the upper and lower eyelids... Read More

Smooth muscle

The smooth muscle can be described as a type of muscle in the human body that is non-striated and involuntary in action.... Read More

Cornea

Cornea (Science: anatomy, ophthalmology) The transparent structure forming the anterior part of the fibrous tunic of the... Read More

Monocular vision

Definition noun (1) (zoology) A type of vision in which one eye of the animal moves and sees objects independently of the... Read More

Tapetum lucidum

Definition noun, plural: tapeta lucida A layer of tissue in the choroid or in the retinal pigment epithelium of the eye of... Read More

Xerophthalmia

Definition noun Excessive dryness of the cornea and conjunctiva Supplement The dryness of the eyes is associated with the... Read More

Lateral canthus

Definition noun, plural: lateral canthi The lateral angle or corner of the eye where the upper and lower eyelids... Read More

Homologous chromosome

A homologous chromosome pertains to one of a pair of chromosomes with the same gene sequence, loci, chromosomal length, and... Read More

Polygenic trait

Polygenic trait definition Polygenic trait refers to a trait that is controlled by multiple non-allelic genes. These genes... Read More

Accommodation reflex

Definition noun, plural: accommodation reflexes A reflex reaction of the eye in response to focusing on near object followed... Read More

Sty

sty (Science: medicine) An inflamed swelling or boil on the edge of the eyelid. Alternative forms: stye. Origin: For older... Read More

Orbit

orbit 1. (Science: astronomy) The path described by a heavenly body in its periodical revolution around another body; as,... Read More

Naked

naked 1. Having no clothes on; uncovered; nude; bare; as, a naked body; a naked limb; a naked sword. 2. Having no means of... Read More

Incomplete dominance

Incomplete Dominance Definition After Gregor Mendel discovered inheritance laws, the term ''incomplete dominance'' was... Read More

Macrophthalmia

Definition noun A condition where the eyeball is unusually large or the eye(s) is/are abnormally large in size due to... Read More

Optical

optical 1. Of or pertaining to vision or sight. The moon, whose orb through optic glass the tuscan artist views. (milton) 2.... Read More

Iris

Iris Origin: L. Iris, iridis, the goddess, gr, the rainbow, iris of the eye, the plant iris. Cf. Orris. 1. The goddess of... Read More

Ball

Ball 1. Any round or roundish body or mass; a sphere or globe; as, a ball of twine; a ball of snow. 2. A spherical body of... Read More

Aqueous humor

Definition noun, plural: aqueous humors A clear, watery body fluid secreted by the ciliary epithelium, and fills the... Read More

Melanin

Definition noun A group of insoluble pigments found in melanophores and produced from the oxidation of tyrosine, followed by... Read More