Definition of pupil in wikipedia

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August undefined, 2024

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 WebThe 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, …

Iris of the Eye (Anatomy, Functions & Associated Conditions)

WebA pupil is an old-fashioned word for a young person attending school, or it can be that black dot in the center of your eye's iris. As a pupil, your pupils may dilate when your teacher dims the lights. WebApr 8, 2024 · Kindergarten pupil definition: A kindergarten is an informal kind of school for very young children, where they learn... Meaning, pronunciation, translations and examples morphine effects on brain

Pupil - Definition, Meaning & Synonyms Vocabulary.com

Webpupil definition: 1. a person, especially a child at school, who is being taught: 2. someone who is being taught a…. Learn more. WebAn injury or lesion in either pathway may result in changes in pupil size. Physiologic (also known as simple or essential) anisocoria is the most common cause of unequal pupil sizes, affecting up to 20% of the population [2]. It is a benign condition with a difference in pupil size of less than or equal to 1 mm [3]. WebOct 25, 2024 · The pupil is the small black circle located in the center of the eyeball.Surrounding the pupil is the colored part of the eye, the iris.The pupil’s function … morphine effects on breathing

Pupil attainment definition and meaning - Collins Dictionary

Definition of pupil in wikipedia

Iris (eye) - Simple English Wikipedia, the free …

WebApparent pupil displacement in video keratography. CLAO J, 1994;20:123-7. ↑ Fay AM, Trokel SL, Myers JA. Pupil diameter and the principal ray. J Cataract Refract Surg, 1992;18:348-51. ↑ 9.0 9.1 Nepomuceno RL, Boxer Wachler BS, Kim JM, Scruggs R, Sato Ml. Laser in situ keratomileusis for hyperopia with the LADAR Vision 4000 with centration ... Webfurther extended the definition of teaching Teaching is a system of actions involving an agent, an end in view and a situation including two sets of factors those over which the agent has no control (class size, characteristics of pupils, physical facilities, etc.) and those which he can modify (such as techniques and strategies of teaching.

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WebPupil definition, a person, usually young, who is learning under the close supervision of a teacher at school, a private tutor, or the like; student. See more. 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 …

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 … WebApr 8, 2024 · Elementary pupil definition: Something that is elementary is very simple and basic . [...] Meaning, pronunciation, translations and examples

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 … WebThis paper will first look at the definition of a pupil with Special Educational Needs. Child (1995) explains that the label Special educational needs (SEN) extends to a broad range of children with varying forms of difficulty in learning, opposed to the majority of their peers of a similar age. Children classed with disabilities preventing ...

WebMar 27, 2024 · pupil m ( plural pupillen, diminutive pupilletje n ) (chiefly sports) minor, generally a prepubescent child over the age of 5. favoured student, protégé. …

WebThe meaning of PUPIL is a child or young person in school or in the charge of a tutor or instructor : student. a child or young person in school or in the charge of a tutor … morphine effects on kidneyIn humans and most mammals and birds, the iris (plural: irides or irises) is a thin, annular structure in the eye, responsible for controlling the diameter and size of the pupil, and thus the amount of light reaching the retina. Eye color is defined by the iris. In optical terms, the pupil is the eye's aperture, while the iris is the diaphragm. minecraft goth resource packWebMar 27, 2024 · Pupil attainment definition: The attainment of an aim is the achieving of it. [...] Meaning, pronunciation, translations and examples morphine effects on pregnancyWebMay 6, 2024 · The pupil also dilates in response to factors such as touch, sound, and emotion. In people with mydriasis, the pupil will remain dilated even in bright places and in the absence of any stimulus. In many cases, mydriasis is benign and can be triggered by drops used during an eye exam or a health condition. Fixed mydriasis in one eye can … minecraft gothic mansion schematicWeb1. contraction of the pupil on exposure of the retina to light. 2. any reflex involving the iris, resulting in change in the size of the pupil, occurring in response to various stimuli, e.g., change in illumination or point of fixation, sudden loud noise, or emotional stimulation. quadriceps reflex knee jerk. minecraft gothic housesWebISBN 978-0199838271. Archived from the original on December 1, 2016. Retrieved April 12, 2016. 'Transgender' is an umbrella term for people whose gender identity and/or gender expression differs from the sex that they were assigned at birth (Gay and Lesbian Alliance Against Defamation [GLAAD], 2007). morphine dysphoriaWebLe prix est trop élevé. The price is too high. (fig) (=noble) elevated. (=éduqué) bien élevé well-mannered. mal élevé ill-mannered. être bien élevé to have good manners. être mal élevé to have bad manners. ancien élève , ancienne élève. morphine e g crossword