Glossary

dermal bone

Bone-type ossifying directly from connective tissue membranes and thus lacking a cartilaginous predecessor. Tend to be more numerous in primitive fish forms.

Used in 5 species profiles

Related terms

antorbital
A small, paired dermal bone lying lateral to the nasal bone in front of the eye.
circumorbitals
Series of dermal bones surrounding the eye, including the suborbitals and supraorbitals.
clavicle
Refers to the collar bone in human anatomy. Present in the pectoral girdle of some fishes as a paired, dermal bone ventral to or fused with the cleithrum.
frontal
Either of the two dermal bone on top of the skull, above the eyes. May be paired or fused.
membrane
Thin, usually flexible layer of tissue covering, lining, separating, or connecting cells or parts of an organism.
premaxilla
Either of the paired, dermal bones located in front of and between the maxillary bones in the upper jaw. Often bear teeth.

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