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dermal bone

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dermal bone

[¦dər·məl ′bōn]
(anatomy)
A type of bone that ossifies directly from membrane without a cartilaginous predecessor; occurs only in the skull and shoulder region. Also known as investing bone; membrane bone.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive
The pelvic girdle was firmly attached to the vertebral column, and the pectoral girdle had smaller extrascapular dermal bone components (with the exception of the clavicle, which was larger).
Phylogeny and embryology of the facial nerve and related structures. Part I: phylogeny
Diagnosis: Scleropages inscriptus differs from all other Scleropages in having highly distinctive angulated linear markings on dermal bones of circum-orbital and opercular series on sides of head and on scales on sides of body.
Scleropages inscriptus, a new fish species from the Tananthayi or Tenasserim River basin, Malay Peninsula of Myanmar (Osteoglossidae: Osteoglossiformes)
The longspined bullhead Taurulus bubalis has spinulose dermal bones on the head and, according to Hayward & Ryland (1995), minute spinules on the trunk.
The morphology and sculpture of ossicles in the Cottidae (Teleostei) of the Baltic Sea/Laanemere kolme voldaseliste (Teleostei) perekonna luuliste elementide morfoloogia ning skulptuur
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