Definition of Cavity. Meaning of Cavity. Synonyms of Cavity
Here you will find one or more explanations in English for the word Cavity. Also in the bottom left of the page several parts of wikipedia pages related to the word Cavity and, of course, Cavity synonyms and on the right images related to the word Cavity.
Definition of Cavity
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Segmentation cavitySegmentation Seg`men*ta"tion, n.
The act or process of dividing into segments; specifically
(Biol.), a self-division into segments as a result of growth;
cell cleavage; cell multiplication; endogenous cell
Segmentation cavity (Biol.), the cavity formed by the
arrangement of the cells in segmentation or cleavage of
the ovum; the cavity of the blastosphere. In the gastrula
stage, the segmentation cavity in which the mesoblast is
formed lies between the entoblast and ectoblast. See
Illust. of Invagination.
Segmentation nucleus (Biol.), the body formed by fusion of
the male and female pronucleus in an impregnated ovum. See
the Note under Pronucleus.
Segmentation of the ovum, or Egg cleavage (Biol.), the
process by which the embryos of all the higher plants and
animals are derived from the germ cell. In the simplest
case, that of small ova destitute of food yolk, the ovum
or egg divides into two similar halves or segments
(blastomeres), each of these again divides into two, and
so on, thus giving rise to a mass of cells (mulberry mass,
or morula), all equal and similar, from the growth and
development of which the future animal is to be formed.
This constitutes regular segmentation. Quite frequently,
however, the equality and regularity of cleavage is
interfered with by the presence of food yolk, from which
results unequal segmentation. See Holoblastic,
Meroblastic, Alecithal, Centrolecithal,
Ectolecithal, and Ovum.
Segmentation sphere (Biol.), the blastosphere, or morula.
Meaning of Cavity from wikipedia
- Microwave cavity
or RF cavity
, a cavity resonator
in the radio frequency
range, for example
used in particle accelerators Optical cavity
, the cavity
- nasal cavity
is a large, air-filled space above
the nose in the middle
of the face. The nasal septum divides
into two cavities
- The two largest human
are the ventral
, and the dorsal
. In the dorsal
- secrete serous
fluid. The inner layer
that covers organs
(viscera) in body cavities
membrane. A second layer
of epithelial cells
- The glenoid cavity
or glenoid fossa
of sca**** is a part of the shoulder. It is a shallow, pyriform articular
on the lateral...
- The pleural cavity
as the pleural
space, is the thin fluid-filled space between
the two pulmonary pleurae
(known as visceral
and parietal) of...
- The pelvic cavity
is a body cavity
that is bounded
by the bones
of the pelvis. Its oblique
roof is the pelvic inlet
(the superior opening
of the pelvis)...
- The peritoneal cavity
is a true space between
the parietal peritoneum
wall) and visceral peritoneum
- The spinal cavity
(or vertebral cavity
canal) is the cavity
by the vertebrae...
- The coelom
is the main body cavity
in most animals
and is positioned inside
the body to surround
the digestive tract
organs. In some...
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