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A bone that forms directly in membranous connective tissue, as some cranial bones, instead of developing from cartilage.
(Anatomy) any bone that develops within membranous tissue, such as the clavicle and bones of the skull, without cartilage formation. Compare cartilage bone
a bone that develops from or within a connective tissue membrane rather than from cartilage.
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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