pacemaker definition biology


All the latest wordy news, linguistic insights, offers and competitions every month. The online version of the Collins Dictionary has just been updated again, with another batch of new words and meanings inspired by the events of the summer. 1. Vous pouvez également à tout moment revoir vos options en matière de ciblage. pacemaker Create an account and sign in to access this FREE content, He has been fitted with a pacemaker and is, อุปกรณ์ไฟฟ้าที่ช่วยให้อัตราการเต้นของหัวใจสม่ำเสมอ, Medical and surgical instruments and equipment. View usage for: In this tutorial, you will find the basic structure of a neuron, the different classes of neurons, and membrane potentials. The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Houghton Mifflin Harcourt. Download our English Dictionary apps - available for both iOS and Android. Muscle cells are specialized to generate force and movement. pacemaker (v. ce mot II B). Elles seront également utilisées sous réserve des options souscrites, à des fins de ciblage publicitaire. Amaze your friends with your new-found knowledge! En médecine, un pacemaker artificiel peut être implanté pour procurer un rythme efficace lorsque le cœur est trop lent. de thérap. She was fitted with a pacemaker after suffering serious heart trouble.


Last 50 years Copyright © 2010 by Any information here should not be considered absolutely correct, complete, and up-to-date. Electronic pacemaker in the largest biology dictionary online. . Pacemaker: A system that sends electrical impulses to the heart in order to set the heart rhythm.
Les informations recueillies sont destinées à CCM BENCHMARK GROUP pour vous assurer l'envoi de votre newsletter. by Penguin Random House LLC and HarperCollins Publishers Ltd, a 19th-century instrument for viewing the fundus of the eye through a layer of water, which eliminates distortion caused by the cornea, a rotatable drum for holding paper on which a tracking stylus continuously records variations in blood pressure, respiratory movements, etc, a device employing suction, such as a jet pump or one for removing fluids from a body cavity, a device used to examine an internal bodily structure by the use of ultrasonic waves, esp for the diagnosis of abnormality in a fetus, an apparatus for pumping oxygen into the lungs during artificial respiration. Last 10 years She was fitted with a pacemaker after suffering serious heart trouble. Vous bénéficiez d’un droit d’accès et de rectification de vos données personnelles, ainsi que celui d’en demander l’effacement dans les limites prévues par la loi. 2. A pacemaker is a device that is placed inside someone's body in order to help their heart beat in the right way. From moonshoot to balconing: discover the latest words added to the Collins Dictionary.

There are some words that seem to be of perennial interest, so if you compare the list of words that were looked up most often in March with the words that were looked up most often in September, you will find a lot of words appearing on both lists.

All Years All Rights Reserved. Le terme pacemaker a diverses significations : En biologie, le pacemaker cardiaque [réf. (Science: apparatus, physiology) An object or substance that influences the rate at which a certain phenomenon occurs, often used alone to indicate the natural cardiac pacemaker or an artificial cardiac pacemaker.

Quelques mots de remerciements seront grandement appréciés.

(Science: biochemistry) A substance whose rate of reaction sets the pace for a series of interrelated reactions. Our new online dictionaries for schools provide a safe and appropriate environment for children. And best of all it's ad free, so sign up now and start using at home or in the classroom. © 2001-2020 BiologyOnline. Before using our website, please read our Privacy Policy. En savoir plus sur notre politique de confidentialité 'Hepatomegaly' and 'hydronephrosis' are among the most frequently looked-up words in September. We have almost 200 lists of words from topics as varied as types of butterflies, jackets, currencies, vegetables and knots!

The mouse Clock mutation reduces circadian pacemaker amplitude and enhances efficacy of resetting stimuli and phase–response curve amplitude, Interstitial cells of Cajal in the urethra. pacemaker 1. Free learning resources for students covering all major areas of biology. Today, 9 October, is the penultimate day of this year’s World Space Week, a UN event launched in 1999. Modified entries © 2019

The content on this website is for information only. Last 300 years, 'Medical and surgical instruments and equipment', any of several body parts that control the rhythm of a. Webster’s New World College Dictionary, 4th Edition. You can get a certain insight into human nature from analysing the words that people look up in dictionaries.

an electronic device implanted beneath the, Most material © 2005, 1997, 1991 by Penguin Random House LLC.

cardiac pacemaker a small mass of specialized muscle tissue in the heart that sets a rhythm of contraction and relaxation for the other parts of the heart, resulting in the heartbeat. It is not intended to provide medical, legal, or any other professional advice. méd., 1975, p. 952). Which medical and surgical instrument or equipment am I? Usually the pacemaker site is the sinoatrial node, near the junction with the superior vena cava. nécessaire] est un groupe de cellules cardiaques qui s'unissent pour amorcer les contractions et établir le rythme des battements. Views expressed here do not necessarily reflect those of Biology Online, its staff, or its partners. Find out more about these processes carried out by the gastrointestinal system through this tutorial... Neurons generate electric signals that they pass along to the other neurons or target tissues. Ce document intitulé « Pacemaker - Définition » issu de, professionnels de la santé et de la médecine, Pacemaker à 89 ans + alzheimer et diabète, Pose de pace maker sur un homme de 90 ans, Sauna : principe, bienfaits et contre-indications.

The normal rhythm, 60 to 100 contractions per minute, increases during physical or emotional stress and decreases … The gastrointestinal system breaks down particles of ingested food into molecular forms by enzymes through digestion and then transferred to the internal environment by absorption.

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