cell membrane

noun Biology.

the semipermeable membrane enclosing the cytoplasm of a cell.

Origin of cell membrane

First recorded in 1865–70

Words nearby cell membrane

cell lineage, cellmate, cell-mediated immune response, cell-mediated immunity, cell-mediated reaction, cell membrane, cello, cellobiose, celloidin, cellophane, cellophane noodle

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cell membrane

Meanwhile great advances had been made also in the knowledge of the mature framework of cell-membrane in plants.
Makers of British Botany; a collection of biographies by living botanists|Various
By the segmentation of the fertilized egg, now invested by cell-membrane, the embryo-plant arises.
Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1|Various
We may also obtain cells with cytoplasm filling the whole of the cellular cavity or separated from the cell-membrane.
The Mechanism of Life|Stphane Leduc
Both cilia and flagella spring directly from the cell-protoplasm, piercing the cell-membrane, when this is present.
Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8|Various

The researches of Salkowski (p. 113) leave little doubt, however, that the cell-membrane is of the cellulosic type.
Researches on Cellulose|C. F. Cross

British Dictionary definitions for cell membrane

cell membrane

noun

a very thin membrane, composed of lipids and protein, that surrounds the cytoplasm of a cell and controls the passage of substances into and out of the cellAlso called: plasmalemma, plasma membrane

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Cultural definitions for cell membrane

cell membrane

The structure separating an animal cell from its environment or a plant cell from its cell wall. The cell membrane is a complex system that allows nutrients to enter the cell and waste products to leave, usually through osmosis.

Medical definitions for cell membrane

cell membrane

n.

The semipermeable membrane that encloses the cytoplasm of a cell.cytomembrane plasmalemma plasma membrane

Scientific definitions for cell membrane

cell membrane

The thin membrane that forms the outer surface of the protoplasm of a cell and regulates the passage of materials in and out of the cell. It is made up of proteins and lipids and often contains molecular receptors. The membranes of organelles within the cell are made of the same basic material as the cell membrane. In plant cells, the cell membrane is surrounded by a rigid cell wall. Also called plasma membrane Compare cell wall. See more at cell.

单词	cell membrane
释义	cell membrane noun Biology. the semipermeable membrane enclosing the cytoplasm of a cell. Origin of cell membrane First recorded in 1865–70 Words nearby cell membrane cell lineage, cellmate, cell-mediated immune response, cell-mediated immunity, cell-mediated reaction, cell membrane, cello, cellobiose, celloidin, cellophane, cellophane noodle Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for cell membrane Meanwhile great advances had been made also in the knowledge of the mature framework of cell-membrane in plants. Makers of British Botany; a collection of biographies by living botanists\|Various By the segmentation of the fertilized egg, now invested by cell-membrane, the embryo-plant arises. Encyclopaedia Britannica, 11th Edition, Volume 2, Part 1, Slice 1\|Various We may also obtain cells with cytoplasm filling the whole of the cellular cavity or separated from the cell-membrane. The Mechanism of Life\|Stphane Leduc Both cilia and flagella spring directly from the cell-protoplasm, piercing the cell-membrane, when this is present. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 8\|Various The researches of Salkowski (p. 113) leave little doubt, however, that the cell-membrane is of the cellulosic type. Researches on Cellulose\|C. F. Cross British Dictionary definitions for cell membrane cell membrane noun a very thin membrane, composed of lipids and protein, that surrounds the cytoplasm of a cell and controls the passage of substances into and out of the cellAlso called: plasmalemma, plasma membrane Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Cultural definitions for cell membrane cell membrane The structure separating an animal cell from its environment or a plant cell from its cell wall. The cell membrane is a complex system that allows nutrients to enter the cell and waste products to leave, usually through osmosis. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Medical definitions for cell membrane cell membrane n. The semipermeable membrane that encloses the cytoplasm of a cell.cytomembrane plasmalemma plasma membrane The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for cell membrane cell membrane The thin membrane that forms the outer surface of the protoplasm of a cell and regulates the passage of materials in and out of the cell. It is made up of proteins and lipids and often contains molecular receptors. The membranes of organelles within the cell are made of the same basic material as the cell membrane. In plant cells, the cell membrane is surrounded by a rigid cell wall. Also called plasma membrane Compare cell wall. See more at cell. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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