membrane bone

membrane bone

n.

A bone that forms directly in membranous connective tissue, as some cranial bones, instead of developing from cartilage.

Thesaurus

Noun

1.

membrane bone - any bone that develops within membranous tissue without previous cartilage formation; e.g. the clavicle and bones of the skull bone, os - rigid connective tissue that makes up the skeleton of vertebrates 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