osteoid

osteoid /os·te·oid/ (os´te-oid)

1. resembling bone.

2. the organic matrix of bone; young bone that has not undergone calcification.

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os·te·oid (st-oid)

adj.

Resembling bone.

n.

The bone matrix, especially before calcification.

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osteoid

[os′tē·oid]

Etymology: Gk, osteon + eidos, form

pertaining to or resembling bone.

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osteoid [os´te-oid]

1. resembling bone.

2. the organic matrix of bone; young bone that has not undergone calcification.

osteoid osteoma a benign hamartomatous lesion of cortical bone in young persons. There are small sclerotic bone-forming areas visible on technetium diphosphate bone scan. The small central nidus produces large amounts of prostaglandin. There is often night pain, which may be responsive to nonsteroidal antiinflammatory drugs. Lesions may be excised in toto or may be treated with nonsteroidal antiinflammatory drugs, and often undergo involution in 5 to 7 years.

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osteoid (os´tēoid),

n the initial bony matrix laid down by the osteoblasts. It is later calcified, with inclusion of osteoblasts as osteocytes within lacunae, into bone.

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osteoid

1. resembling bone.

2. the organic matrix of bone; young bone that has not undergone calcification.