extravasate
/ɪkˈstravəseɪt
/ /ɛkˈstravəseɪt/verb [with object] (usually as adjective extravasated) chiefly Medicine
Let or force out (a fluid, especially blood) from the vessel that contains it into the surrounding area: this established the presence of extravasated blood [no object]: some cells may extravasate and form secondary tumours...
- Scattered areas of lymphocytic exocytosis and extravasated red blood cells within the superficial dermis and epidermis were also present.
- Aggressive angiomyxoma has extravasated red blood cells and thick-walled vessels, some of which may be large.
- The infant should be assessed for pallor, petechiae, extravasated blood, excessive bruising, hepatosplenomegaly, weight loss, and evidence of dehydration.
Derivatives
extravasation
/ /ɛkstravəˈseɪʃ(ə)n / noun ...- Tumors show a spindle cell neoplasm with prominent extravasation.
- Purpura results from the extravasation of blood from the vasculature into the skin or mucous membranes.
- This pain is a potential warning sign of tissue damage and possible phlebitis or extravasation.
Origin
Mid 17th century: from extra- 'outside' + Latin vas 'vessel' + -ate3.
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