cortex definition

cortex definition

All Years Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. The region of tissue lying between the epidermis (the outermost layer) and the vascular tissue in the roots and stems of plants. The American Heritage Dictionary of Medicine © 2018 by Houghton Mifflin Harcourt Publishing Company.

the furrowed outer layer of gray matter in the cerebrum of the brain, associated with the higher brain functions, as voluntary movement, coordination of sensory information, learning and memory, and the expression of individuality. Terms of Use Published by Houghton Mifflin Harcourt Publishing Company. The cortex in a plant is composed of porous tissue. The whole cylinder is enclosed by the peculiarly differentiated innermost cell-layer of the, In all green plants which have a special protective epidermis, the, In some forms other gaps (perforations) appear in the vascular tube placing the pith and, the outer part or external layers of an internal organ, as of the kidney or the adrenal glands, the outer layer of gray matter over most of the brain, a layer of tissue in the roots and stems of dicotyledonous plants, located between the stele and epidermis, an outer layer of tissue in certain algae, lichens, and fungi. The American Heritage® Science Dictionary Privacy Policy. All rights reserved. All the latest wordy news, linguistic insights, offers and competitions every month. Copyright © 2011. “Affect” vs. “Effect”: Use The Correct Word Every Time. Cerebral cortex definition, the furrowed outer layer of gray matter in the cerebrum of the brain, associated with the higher brain functions, as voluntary movement, coordination of sensory information, learning and memory, and the expression of individuality. By continuing, you agree to our Please set a username for yourself. Webster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. See more.

the surface tissue layer of a fungus or lichen, Most material © 2005, 1997, 1991 by Penguin Random House LLC. The outer layer of gray matter that covers the surface of the cerebral hemisphere. All rights reserved. What Is The Difference Between “It’s” And “Its”? and Our new online dictionaries for schools provide a safe and appropriate environment for children. Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company.

And best of all it's ad free, so sign up now and start using at home or in the classroom. In some plants the carpels are united to form a single compound ovary. 10 Types Of Nouns Used In The English Language. It is composed of collenchyma, parenchyma, and sclerenchyma. Last 50 years All rights reserved. Definition noun, plural: cortexes, cortices (anatomy) The outer layer or region of a structure or an internal organ (botany) The tissue between the vascular tissue and the epidermis, or between the vascular tissue and the periderm of the bark in woody plants Supplement In anatomy, the term cortex pertains typically to the outer region or layer of a certain internal organ or a structure. Cortex (cérébral), couche de substance grise situé à la surface des hémisphères cérébraux, contenant les corps cellulaires de neurones et responsable des fonctions les plus élevées du cerveau. Download our English Dictionary apps - available for both iOS and Android. The cells of the cortex play a crucial role in the plant’s life. The layer of gray matter in vertebrates that covers the cerebral hemispheres and is composed of folds of neurons and axons. People will see it as Author Name with your public flash cards. Last 300 years. What Is The Difference Between “Furlough” vs. “Layoff”? by Penguin Random House LLC and HarperCollins Publishers Ltd, the main organ of photosynthesis and transpiration in higher plants, usually consisting of a flat green blade attached to the stem directly or by a stalk, a mature fertilized plant ovule, consisting of an embryo and its food store surrounded by a protective seed coat (testa), a meristem that increases the girth of stems and roots by producing additional xylem and phloem, a hard protective outer layer of the seeds of flowering plants; seed coat, the hollow basal region of a carpel containing one or more ovules. Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020. We have almost 200 lists of words from topics as varied as types of butterflies, jackets, currencies, vegetables and knots! 1. 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. Modified entries © 2019 the portion of a stem between the epidermis and the vascular tissue; bark. The New Dictionary of Cultural Literacy, Third Edition The cerebral cortex is responsible for higher functions of the nervous system, including voluntary muscle activity and learning, language, and memory. Why Do “Left” And “Right” Mean Liberal And Conservative? Create an account and sign in to access this FREE content. Copyright © 2010 by The outer layer of an internal organ or body structure, as of the kidney or adrenal gland. (countable, anatomy) The outer layer of an internal organ or body structure, such as the. a layer of tissue in the roots and stems of dicotyledonous plants. View usage for: Cerebral cortex definition is - the convoluted surface layer of gray matter of the cerebrum that functions chiefly in coordination of sensory and motor information. Go ahead, test your mental legerity to see how many words you remember from last month!

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