circumvascular

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• circumvascular — adjective perivascular …   Wiktionary

• circumvascular — SYN: perivascular. [circum + L. vasculum, vessel] * * * cir·cum·vas·cu·lar (sur″kəm vasґku lər) [circum + vascular] around or encircling a vessel …   Medical dictionary

• circumvascular — adj. around a duct, around a vessel (Botany) …   English contemporary dictionary

• perivascular — Surrounding a blood or lymph vessel. SYN: circumvascular. [peri + L. vasculum, vessel] * * * peri·vas·cu·lar .per ə vas kyə lər adj of, relating to, occurring in, or being the tissues surrounding a blood vessel * * * peri·vas·cu·lar (per″e… …   Medical dictionary

• onionskin lesion — 1. the concentric circumvascular fibrosis often found in the spleen and lymph nodes in systemic lupus erythematosus. 2. concentric layers of myointimal cells and collagen, causing luminal narrowing, seen in the interlobular arteries and… …   Medical dictionary