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perivascular
This term is a specialized medical and anatomical descriptor used primarily in pathology, histology, and physiology. It describes the spatial relationship of cells, tissues, or processes specifically located in the immediate vicinity of a blood vessel wall. It is most frequently encountered in diagnostic reports to describe the localization of inflammatory infiltrates, such as lymphocytes, which often cluster around vessels during an immune response.
Because it is a technical adjective derived from Latin roots, it maintains a highly formal, clinical register. It is not used in general conversation and is strictly confined to scientific contexts where precise anatomical localization is required to differentiate between systemic and localized tissue reactions.
Meanings
Situated, occurring, or distributed around a blood vessel.
The pathologist noted significant perivascular cuffing of lymphocytes in the brain tissue.
Examples
The biopsy showed significant perivascular cuffing around the small arteries.
Is there any evidence of perivascular edema in the brain tissue?
The perivascular space is filled with cerebrospinal fluid.
The perivascular space is filled with cerebrospinal fluid.
I can see a dense accumulation of lymphocytes in the perivascular region.
The drug targets specific perivascular cells to promote angiogenesis.
Perivascular inflammation is a common hallmark of this autoimmune disease.
Perivascular inflammation is a common hallmark of this autoimmune disease.
The researcher noted that the perivascular niche supports stem cell maintenance.
The researcher noted that the perivascular niche supports stem cell maintenance.
Look at how the collagen fibers wrap around the perivascular area.
The pathology report mentions perivascular infiltration of leukocytes.
The pathology report mentions perivascular infiltration of leukocytes.