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A bone that forms directly in membranous connective tissue, as some cranial bones, instead of developing from cartilage.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Anatomy) any bone that develops within membranous tissue, such as the clavicle and bones of the skull, without cartilage formation. Compare cartilage bone
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a bone that develops from or within a connective tissue membrane rather than from cartilage.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||membrane bone - any bone that develops within membranous tissue without previous cartilage formation; e.g. the clavicle and bones of the skull|
frontal bone, os frontale, forehead - the large cranial bone forming the front part of the cranium: includes the upper part of the orbits
parietal bone - either of two skull bones between the frontal and occipital bones and forming the top and sides of the cranium
occipital bone - a saucer-shaped membrane bone that forms the back of the skull
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