Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Around or surrounding a blood vessel

from the GNU version of the Collaborative International Dictionary of English

  • adj. Around the blood vessels.

from The Century Dictionary and Cyclopedia

  • Surrounding a vascular structure, as a blood-vessel; inclosing or containing an artery or a vein: as, a perivascular network of sympathetic nervous filaments about an artery.

Etymologies

peri- +‎ vascular (Wiktionary)

Examples

  • Instead of throwing the umbilical cord in the wastebasket, parents will have the opportunity to donate their newborn's cord to a national MSC bank where the cord perivascular cells HUCPVCs will be extracted and cryogenically preserved in nitrogen at -200 degrees for 15 to 20 years.

    The Stem Cell Solution

  • In the perivascular spaces, the pia apparently enters as a mesothelial lining of the outer surface of the space; a variable distance from the exterior these cells become unrecognizable and are apparently lacking, replaced by neuroglia elements.

    IX. Neurology. 4g. The Meninges of the Brain and Medulla Spinalis

  • Between the layers are cleft-like spaces which communicate with the subarachnoid cavity, and a number of bloodvessels which are enclosed in perivascular lymphatic sheaths.

    IX. Neurology. 4g. The Meninges of the Brain and Medulla Spinalis

  • The inner walls of these perivascular spaces seem likewise covered for a certain distance by the mesothelial cells, reflected with the vessels from the arachnoid covering of these vascular channels as they traverse the subarachnoid spaces.

    IX. Neurology. 4g. The Meninges of the Brain and Medulla Spinalis

  • Through these perivascular channels there is probably a small amount of fluid flowing from nerve-cell to subarachnoid space.

    IX. Neurology. 4h. The Cerebrospinal Fluid

  • The chemical differences between the subarachnoid fluid (product of choroid plexuses and perivascular system) and the ventricular fluid (product of choroid plexuses alone) indicate that the products of nerve-metabolism are poured into the subarachnoid space.

    IX. Neurology. 4h. The Cerebrospinal Fluid

  • The bloodvessels that enter and leave the brain are surrounded by perivascular channels.

    IX. Neurology. 4h. The Cerebrospinal Fluid

  • Under the microscope these tumors showed an increase in the interfascicular as well as perivascular fibers, but the nerve-fibers were not increased in size

    Anomalies and Curiosities of Medicine

  • Under the microscope these tumors showed an increase in the interfascicular as well as perivascular fibers, but the nerve-fibers were not increased in size or number.

    Anomalies and Curiosities of Medicine

  • Several studies have described apparent vascular-associated cerebral inflammation in children with autism compared to controls including perivascular macrophage and microglia accumulation in post-mortem autistic brain samples

    BioMed Central - Latest articles

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