Definition of pupil in wikipedia
WebMar 13, 2024 · Pupil achievement definition: An achievement is something which someone has succeeded in doing, especially after a lot... Meaning, pronunciation, translations and examples WebIris in humans, is the colored (typically blue or brown) area, with the pupil (the circular black spot) in its center, and surrounded by the white sclera. Overlying cornea is completely transparent so is not visible, except the …
Definition of pupil in wikipedia
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The pupil is a black hole located in the center of the iris of the eye that allows light to strike the retina. It appears black because light rays entering the pupil are either absorbed by the tissues inside the eye directly, or absorbed after diffuse reflections within the eye that mostly miss exiting the narrow … See more The pupil is a hole located in the center of the iris of the eye that allows light to strike the retina. It appears black because light rays entering the pupil are either absorbed by the tissues inside the eye directly, or absorbed after … See more Effect of drugs If the drug pilocarpine is administered, the pupils will constrict and accommodation is increased due to the parasympathetic action on the … See more In a surprising number of unrelated languages, the etymological meaning of the term for pupil is "little person". This is true, for example, of the word pupil itself: this comes into English from Latin pūpilla, which means "doll, girl", and is a diminutive form of … See more • Atlas image: eye_1 at the University of Michigan Health System — "Sagittal Section Through the Eyeball" • Atlas image: eye_2 at … See more The iris is a contractile structure, consisting mainly of smooth muscle, surrounding the pupil. Light enters the eye through the pupil, and the iris … See more Not all animals have circular pupils. Some have slits or ovals which may be oriented vertically, as in crocodiles, vipers, cats and foxes, or horizontally as in some rays, flying frogs See more • Biology portal • Pupillary response • Pupil function • Dilated fundus examination See more WebMar 27, 2024 · Pupil attainment definition: The attainment of an aim is the achieving of it. [...] Meaning, pronunciation, translations and examples
WebMay 16, 2024 · teacher's pet: [noun] a pupil who has won the teacher's special favor. Webpupil. The contractile opening at the center of the iris of the eye. It is constricted when exposed to strong light and when the focus is on a near object; is dilated in the dark and …
WebJan 3, 2016 · Pupula duplex — commonly called double pupil — is a medical condition, in which one’s eye or eyes has two pupils. In popular culture, it is thought to be a sign of the evil eye, and also to give one better eyesight. Ancient Chinese warlord Xiang Yu suffered from pupula duplex. Robert Ripley reportedly met an American man suffering from ... WebThe California giant salamander (Dicamptodon ensatus) is a species of salamander in the family Ambystomatidae. Dicamptodon ensatus is endemic to California, in the western United States.The species once additionally included individuals now belonging to the species D. aterrimus (Idaho giant salamander) and D. tenebrosus (coastal giant …
WebThe pupil of your eye is the black hole in the middle of your iris. Your iris is the colored part of your eye. Muscles in your iris control how big the pupil is. Usually, this happens as a …
WebSep 6, 2024 · Pupil Size. The pupils are generally equal in size. A normal adult pupil ranges from 2 to 4 millimeters in diameter in bright light. In the darkness, the diameter may range from 4 to 8 millimeters. The pupil size may change due to other reasons such as: Your emotions (e.g., happiness or sadness) Underlying conditions (e.g., headache or … johnson resignation speech videoWebThe pupil is the opening in the centre of the eye. Light enters through the pupil and goes through the lens, which focuses the image on the retina. The size of the pupil is controlled by muscles. There is a circular group, … johnson resignation speech in fullWebpupil meaning: 1. a person, especially a child at school, who is being taught: 2. someone who is being taught a…. Learn more. how to give apa citation