intervillous space


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Related to intervillous space: intervillous circulation

space

 [spās]
1. a delimited area.
2. an actual or potential cavity of the body.
3. the areas of the universe beyond the earth and its atmosphere. adj., adj spa´tial.
danger space a subdivision of the retropharyngeal space, extending from the base of the skull to the level of the diaphragm; so called because it provides a route by which infection of the pharynx can spread to the mediastinum.
dead space see dead space.
epidural space the space between the dura mater and the lining of the spinal canal.
intercostal space the space between two adjacent ribs.
interpleural space mediastinum.
interproximal space (interproximate space) the space between the proximal surfaces of adjoining teeth; called also proximal or proximate space.
intervillous space the space of the placenta into which the chorionic villi project and through which the maternal blood circulates.
lymph s's open spaces filled with lymph in connective or other tissue, especially in the brain and meninges.
Meckel's space a recess in the dura mater that lodges the trigeminal ganglion.
mediastinal space mediastinum.
medullary space the central cavity and the intervals between the trabeculae of bone that contain the marrow.
palmar space a large fascial space in the hand, divided by a fibrous septum into a midpalmar and a thenar space.
parasinoidal s's spaces in the dura mater along the superior sagittal sinus which receive the venous blood.
perivascular space a lymph space within the walls of an artery.
plantar space a fascial space on the sole of the foot, divided by septa into the lateral, middle, and median plantar spaces.
pneumatic space a portion of bone occupied by air-containing cells, especially the spaces constituting the paranasal sinuses.
proximal space (proximate space) interproximal space.
retroperitoneal space the space between the peritoneum and the posterior abdominal wall.
retropharyngeal space the space behind the pharynx, containing areolar tissue.
subarachnoid space the space between the arachnoid and the pia mater, containing cerebrospinal fluid.
subdural space a narrow fluid-containing space, often only a potential space, between the dura mater and the arachnoid.
subphrenic space the space between the diaphragm and underlying organs.
subumbilical space somewhat triangular space in the body cavity beneath the umbilicus.
Tenon's space a lymph space between the sclera and Tenon's capsule.

intervillous space

Any area of the maternal side of the placenta where transfer of maternal oxygen, nutrients, and fetal wastes occurs.
See also: space
References in periodicals archive ?
Between 80 and 100 spiral arteries of the endometrium spill their contents into the intervillous spaces and bathe the villi.
Early infarction showing crowding and compression of the intervillous space in the center of the infarct and congestion of villi around its periphery (hematoxylin-eosin, original magnification X2).
In 10 placentas there was leukocyte infiltration of chorionic plate--basal decidua plate and focal infiltration of intervillous space by segmented leukocytes.
During early pregnancy perfusion of the intervillous space with maternal blood is not yet fully established, and thus shed placental fractalkine may not act locally on maternal CX3CR1 expressing cells, but rather in an endocrine way.
In our study, STBM prepared by placental perfusion may be regarded as being the closest representatives of those generated under normal physiologic conditions in that here STBM are collected directly from the intervillous space, the site where they would typically enter the maternal circulation.
Perivillous fibrin deposits in the intervillous space are a result of thrombosis of maternal blood.
The invasion of microfilariae into the intervillous space of the placenta is a newly described feature of pregnancy-associated loiasis.
The most frequent lesion observed in placentas at lower hemoglobin concentration is infarct, characterized by aggregation of the villi with marked narrowing, often obliteration of the intervillous space and coagulative necrosis of the villi11-12.
The extracellular matrix of chorionic villi can be decreased, and the villous cores, thus, as pale as the intervillous space (Figure 1, F).
The maternal side was perfused by introducing three blunt metal cannulas into the intervillous space by penetration of the decidual plate.
In a case review of 131 pregnancies with confirmed sickle cell trait, in which a detailed pathological examination of the placenta was performed, the researchers found that all of the placentas had aggregates of sickled red blood cells in the intervillous space and decidual vessels.