Intravasation

Intravasation

As a part of the process of metastasis, intravasation refers to the invasion of a cancer through the basal membrane and into blood vessels.

In radiology, intravasation is used to describe penetration of radiographic contrast into the soft tissue lymphatics and veins of a hollow organ as a result of increased filling pressures. For example, intravasation of contrast material into the uterine wall can occur during a hysterosalpingogram (HSG) if the endometrial cavity is overfilled due to obstruction of the Fallopian tubes.


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  • intravasation — [in trav΄ə sā′shən] n. [ INTRA + (EXTRA)VASATION] the entry of a foreign substance into a blood or lymph vessel …   English World dictionary

  • intravasation — /in trav euh say sheuhn/, n. Pathol. the entrance of foreign matter into a blood vessel of the body. [1665 75; INTRA + (EXTRA)VASATION] * * * …   Universalium

  • intravasation — noun The entry of foreign (especially cancerous) material into a blood vessel …   Wiktionary

  • intravasation — in·trav·a·sa·tion (.)in .trav ə sā shən n the entrance of foreign matter into a vessel of the body and esp. a blood vessel * * * in·trav·a·sa·tion (in trav″ə saґshən) the entrance of foreign material into a blood vessel …   Medical dictionary

  • intravasation — n. entrance of a foreign body into a blood vessel (Medicine) …   English contemporary dictionary

  • intravasation — in·trav·a·sation …   English syllables

  • intravasation —   n. Medicine, entrance of externally formed matter into vessels …   Dictionary of difficult words

  • intravasation — noun entry of foreign matter into a blood vessel • Hypernyms: ↑injury, ↑hurt, ↑harm, ↑trauma …   Useful english dictionary

  • Hyaluronan — Identifiers CAS number 9004 61 9  …   Wikipedia

  • TUMEURS ANIMALES — L’organisme d’un animal est en renouvellement continuel. Au cours de la croissance, les cellules de la plupart des tissus se multiplient et se différencient [cf. ONTOGENÈSE ANIMALE]. Ces deux stades de l’organisation histologique se succèdent à… …   Encyclopédie Universelle

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