
	3D Medical Animations Close This information is provided by an independent source. Merck & Co. does not endorse and is not responsible for the accuracy of the content, or for the practices or standards of non-Merck sources. This information provided is not intended to be a substitute for professional medical advice. A licensed healthcare professional should be consulted for diagnosis and treatment of any and all medical conditions. The manufacturer of a product generally has the most complete information about that product. How to use How to use The world's largest library of 3D medical animations developed and copyrighted by Blausen Medical Communications. The Human Atlas figures rotating model, labeled slides, and printable text in addition to animated videos. Shows a video of the selected health topic. Controls play, pause, and restart of the video. Shows a summary of the selected health topic. Controls to scroll the text. Shows a 3 D model of the video. Controls to rotate the model. Shows slides from the video. Controls to change slides.

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This information is provided by an independent source. Merck & Co., Inc. is not responsible for this content. Please discuss any and all treatment options with your healthcare professional. The manufacturer of a product generally has the most complete information about that product.

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nucleus (noo´kle-әs) pl. nu´clei a spheroid body within a cell, enclosed within a double membrane called the nuclear envelope; the nucleus contains the chromosomes and one or more nucleoli. Its contents are collectively referred to as nucleoplasm. The chromosomes contain deoxyribonucleic acid (DNA), which is the genetic material that codes for the structure of all the proteins of the cell. Called also cell nucleus. Called also cell nucleus.
a mass of gray matter in the central nervous system, especially such a mass marking the central termination of a cranial nerve.
in organic chemistry, the combination of atoms forming the central element or basic framework of the molecule of a specific compound or class of compounds.
the dense core of an atom, made of protons and neutrons held together by strong nuclear force. Traveling in orbit around it is a cloud of negatively charged particles called electrons. The number of protons in the nucleus gives a substance its identity as a particular element. Called also atomic nucleus. adj., nu´clear., adj.

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