ossification (redirected from retarded enchondral ossification)

ossification /os·si·fi·ca·tion/ (os″ĭ-fĭ-ka´shun) formation of or conversion into bone or a bony substance.

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ectopic ossification  a pathological condition in which bone arises in tissues not in the osseous system and in connective tissues usually not manifesting osteogenic properties.

endochondral ossification  ossification that occurs in and replaces cartilage.

heterotopic ossification  the formation of bone in abnormal locations, secondary to pathology.

intramembranous ossification  ossification that occurs in and replaces connective tissue.

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os·si·fi·ca·tion (s-f-kshn)

n.

1. The natural process of bone formation.

2. The hardening or calcification of soft tissue into a bonelike material.

3. A mass or deposit of such material.

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ossification

[os′ifikā′shən]

Etymology: L, os + facere, to make

the development of bone. Intramembranous ossification is that preceded by membrane, such as in the process initially forming the roof and sides of the skull. Intracartilaginous endochondral ossification is that preceded by rods of cartilage, such as that forming the bones of the limbs.

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ossification (os″fkā´shn),

n the development of forming bone.

ossification, endochondral (intracartilaginous),

n the development of bone from cartilage rods, as in the development of arm or leg bones.

ossification, intramembranous,

n the development of bone from tissue or membrane, as in the formation of the skull.

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ossification

formation of or conversion into bone or a bony substance.

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biceps brachii ossification

causes a progressive lameness of the shoulder joint of the horse. The calcification of the tendon can be identified radiologically.

ossification center

a locus in an epiphysis or other part of a bone at which ossification commences and from which it spreads over the entire section. Radiological examination can detect the appearance of each ossification center and this is of assistance in aging.

dural ossification

occurs in large and giant breed dogs. Detected radiographically, most commonly in the lumbar and cranial and caudal cervical areas, but rarely produces clinical signs. Called also ossifying pachymeningitis.

ectopic ossification

see ectopic mineralization.

enchondral ossification

ossification that occurs in and replaces cartilage.

ossification groove

located at the physeal end of the perichondrial ring of long bones. It supplies chondrocytes to the physis for the diametric growth of the bone. Called also groove of Ranvier.

intramembranous ossification

the formation of bone directly from fibrous tissue without the use of a cartilaginous model, e.g. as occurs in the parietal and frontal bones.

lateral cartilage ossification

see sidebone.

retarded enchondral ossification

the ossification of cartilage in growing large dogs may be retarded and, at the distal ulnar growth plate, resembles premature closure of the plate; the characteristic lesion is a cone of uncalcified cartilage in the growth plate.

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Patient discussion about retarded enchondral ossification.

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