- In histology,
osteoid is the
unmineralized,
organic portion of the bone
matrix that
forms prior to the
maturation of bone tissue.
Osteoblasts begin the...
-
bundles to form
intermediate filaments,
which are
tough and form
strong unmineralized epidermal appendages found in reptiles, birds, amphibians, and mammals...
-
create an
ossification center. They then
start secreting osteoid, an
unmineralized collagen-proteoglycan
matrix that has the
ability to bind calcium. As...
-
researchers to
suspect that
bryozoans arose earlier but were
initially unmineralized, and may have
differed significantly from
fossilized and
modern forms...
-
formed before the root
formation is completed.
Newly secreted dentin is
unmineralized and is
called predentin. It is
easily identified in
hematoxylin and...
- zooid, the
feeding forms known as autozooids.
These are
supported by an
unmineralized "exoskeleton" made of
gelatinous material or protein,
secreted by the...
-
living relative the
common vampire bat (Desmodus rotundus).
Fossils and
unmineralized subfossils have been
found in Argentina, Mexico, Ecuador, Brazil, Venezuela...
- cells.
These progenitors further mature into osteoblasts, that
deposit unmineralized bone matrix,
termed osteoid.
Mineralization subsequently follows leading...
- mean that:
Wiwaxia was the
first of them to have sclerites,
which were
unmineralized; the
siphogonotuchids were the
first to have
mineralized sclerites,...
- the
zones of
provisional calcification of the
metaphyses secondary to
unmineralized osteoid. Cupping, fraying, and
splaying of
metaphyses typically appears...
