ossification
The natural process of bone formation.
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Ichthyological terms, not general ones.
The natural process of bone formation.
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To change into bony or become bony.
Ligament, sometimes ossified, which joins the 1st centrum with the supracleithrum. Helps anchor the pectoral girdles to the sides of the fish.
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Primitive, cartilaginous skeletal structure enclosing the brain and inner ear formed in the embryo and usally becoming ossified at a later stage. Retained as cartilage throughout life in some fishes.
Bone-type ossifying directly from connective tissue membranes and thus lacking a cartilaginous predecessor. Tend to be more numerous in primitive fish forms.
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Non-ossified, usually membranous gap between cranial bones.
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