diapedesis


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diapedesis

 [di″ah-pĕ-de´sis]
the outward passage of blood cells through intact vessel walls. See illustration.
Diapedesis of leukocytes. From Dorland's, 2000.

di·a·pe·de·sis

(dī'ă-pĕ-dē'sis),
The passage of blood, or any of its formed elements, through the intact walls of blood vessels.
Synonym(s): migration (2)
[G. dia, through, + pēdēsis, a leaping]

diapedesis

(dī′ə-pĭ-dē′sĭs)
n. pl. diapede·ses (-sēz)
The movement or passage of blood cells, especially white blood cells, through intact capillary walls into surrounding body tissue.

di′a·pe·det′ic (-dĕt′ĭk) adj.

di·a·pe·de·sis

(dī'ă-pĕ-dē'sis)
The passage of blood, or any of its formed elements, through the intact walls of blood vessels.
Synonym(s): migration (2) .
[G. dia, through, + pēdēsis, a leaping]
Enlarge picture
DIAPEDESIS

diapedesis

(di?a-ped-e'sis) [? + pedan, to leap]
The movement of white blood cells and other cells out of small arterioles, venules, and capillaries as part of the inflammatory response. The cells move through gaps between cells in the vessel walls.
See: illustration; inflammation

diapedesis

The passing of blood cells through the intact CAPILLARY wall into the tissue spaces. Diapedesis is a feature of INFLAMMATION.

diapedesis

the passage of white blood cells through the unruptured wall of a blood vessel by changing in shape; an important reaction to tissue injury, leading to inflammation.
References in periodicals archive ?
Throughout the current manuscript, we use the word "diapedesis" to evoke the passage of OE-MSCs through the BBB model.
Diapedesis is a well-understood process, and researchers believed that other types of cells, like therapeutic stem cells or even metastatic cancer cells, exited blood vessels in a similar way, with the cells pushing or squeezing themselves out.
After closing down of the cage with the connective tissue, while bacterial exo products and neutrophils could circulate in and out by diffusion and diapedesis, the bacteria remained confined to the chamber.
* Inhibits neutrophil diapedesis by inhibiting neutrophil elastase.
Los macrofagos presentaban signos de eritrofagocitosis o inclusiones de hemosiderina como un indicador de la actividad reparativa de estas celulas frente al proceso inflamatorio y la diapedesis de eritrocitos.
Estrictamente, estos procesos no son exclusivos del cancer, sino que tambien se producen en tejidos sanos, como es la invasion del trofoblasto durante el embarazo o la salida de leucocitos del torrente sanguineo hacia los focos de infeccion (diapedesis leucocitaria) (75).
ICAM2 mediates transmigration independently and PECAM1 participates in diapedesis in a cytokine specific manner (35).