macroaggregatedadj.

Brit.

/ˌmakrəʊˈaɡrᵻˌɡeɪtɪd/, U.S.

/ˈˌmækroʊˈæɡrəˌɡeɪdᵻd/

Origin: Formed within English, by compounding. Etymons: macro- comb. form, aggregated adj.

Etymology: < macro- comb. form + aggregated adj. Compare macroaggregate n.

Medicine and Biology.

Designating a preparation of radiolabelled albumin, made by acidification and heating, that consists of relatively large aggregates of molecules and is used in perfusion scanning.

ΚΠ

1964 Health Physics 10 1220/2 With macroaggregated albumin suspensions, the bottle should be shaken vigorously just prior to use.

1976 Circulation 53 Suppl. I. 116/2 Myocardial perfusion scintigraphy may be performed following intracoronary injection of either macroaggregated albumin or radiolabeled microspheres.

1997 Nucl. Med. & Biol. 24 465 Human macroaggregated albumin (MAA), which is currently labeled with technetium-^99m (^99mTc) and ^99mTc-MAA, is used clinically as a pulmonary perfusion agent.

This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).

单词	macroaggregated
释义	macroaggregatedadj. Brit. /ˌmakrəʊˈaɡrᵻˌɡeɪtɪd/, U.S. /ˈˌmækroʊˈæɡrəˌɡeɪdᵻd/ Origin: Formed within English, by compounding. Etymons: macro- comb. form, aggregated adj. Etymology: < macro- comb. form + aggregated adj. Compare macroaggregate n. Medicine and Biology. Designating a preparation of radiolabelled albumin, made by acidification and heating, that consists of relatively large aggregates of molecules and is used in perfusion scanning. ΚΠ 1964 Health Physics 10 1220/2 With macroaggregated albumin suspensions, the bottle should be shaken vigorously just prior to use. 1976 Circulation 53 Suppl. I. 116/2 Myocardial perfusion scintigraphy may be performed following intracoronary injection of either macroaggregated albumin or radiolabeled microspheres. 1997 Nucl. Med. & Biol. 24 465 Human macroaggregated albumin (MAA), which is currently labeled with technetium-^99m (^99mTc) and ^99mTc-MAA, is used clinically as a pulmonary perfusion agent. This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022). < adj.1964
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