osteoid
1
9.8
- noun
- /ˈɑːstɪɔɪd/
- Specialized
- The osteoid is essential for the formation of strong and healthy bones.
- osteoid formation
Examples
-
GCRG is associated with a greater degree of osteoid formation, hemorrhage, hemosiderin deposition, and inflammation.
Academic text (2003) -
Mineralization occurs when hydroxide and bicarbonate from hydroxyapatite crystals complete the deposition of calcium and phosphate into osteoid.
Academic text (2003) -
Osteoblastomas contain ample amounts of osteoid produced by overabundant osteoblasts.
Academic text (2006) -
They have soft bones because the osteoid, the collagen matrix, is not mineralized and hardened the way it would be in a good normal bone.
-
Note the presence of osteoid formation and the beginning of calcification (upper left) and evidence of an old hemorrhage suggested by hemosiderin storage in macrophages (lower right) (H&E; original magnification x 10).
Academic text (2003) -
Deficiencies in calcium can lead to an increase in the amount of osteoid in the bone matrix.
-
When observed under a microscope, the osteoid appears as a soft, organic matrix before it is mineralized.
Surface Forms
Morphology
osteoid = osteo (semi-transparent) = osteo + oid
The meaning is partially transparent: 'osteo' means bone and '-oid' means resembling, but the specific scientific sense is not fully obvious to general learners.
Etymology
Osteoid comes from the Greek parts oste- meaning 'bone' and -oid meaning 'like'. So osteoid literally means 'like bone' and names the soft, not-yet-hardened part that bone-making cells produce before it turns into hard bone.