perineurium

One of the supporting structures of peripheral nerve trunks, consisting of layers of flattened cells and collagenous connective tissue, which surround the nerve fasciculi and form the major diffusion barrier within the nerve; with the endoneurium and epineurium, composes the peripheral nerve stroma. [L. fr. peri- + G. neuron, nerve]

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peri·neu·ri·um .per-ə-'n(y)u̇r-ē-əm n, pl -ria -ē-ə the sheath of connective tissue that surrounds a bundle of nerve fibers

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n.
the sheath of connective tissue that surrounds individual bundles (fascicles) of nerve fibres within a large nerve.

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peri·neu·ri·um (per″e-noorґe-əm) [peri- + Gr. neuron nerve] [TA] an intermediate layer of connective tissue in a peripheral nerve, surrounding each bundle (fasciculus) of nerve fibers. See also epineurium and endoneurium. perineurial adj

Perineurium (P) surrounding a bundle of nerve fibers in a cross-section of a peripheral nerve.


Medical dictionary. 2011.

Look at other dictionaries:

  • perineurium — PERINEÚRIUM s.n. (anat.) Teaca de ţesut conjunctiv a unui fascicul de fibre nervoase. [cf. fr. périneurium]. Trimis de LauraGellner, 20.07.2005. Sursa: DN …   Dicționar Român

  • Perineurium — Per i*neu ri*um, n. [NL., fr. Gr. ? about + ? a nerve.] (Anat.) The connective tissue sheath which surrounds a bundle of nerve fibers. See {Epineurium}, and {Neurilemma}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Perineurĭum — (griech.), die Bindegewebshülle, welche die einzelnen Nervenfasern und den ganzen Nerv umgibt; s. Tafel »Gewebe des Menschen«, Fig. 5 …   Meyers Großes Konversations-Lexikon

  • Perineurium — Perineurĭum (grch.), die Bindegewebshülle, die die einzelnen Nervenfasern, und den ganzen Nerven umgibt …   Kleines Konversations-Lexikon

  • perineurium — [per΄ə noor′ē əm, per΄ənyoor′ē əm] n. pl. perineuria [per΄i noor′ēə, per΄i nyoor′ēə] [ModL < PERI + Gr neuron,NERVE] the sheath of dense connective tissue that envelops a bundle of nerve fibers composing a peripheral nerve perineurial adj …   English World dictionary

  • Perineurium — Infobox Anatomy Name = PAGENAME Latin = GraySubject = 183 GrayPage = 728 Caption = Transverse section of human tibial nerve. (Perineurium labeled at upper right.) Caption2 = Nerve structure System = MeshName = Perineurium MeshNumber = A08.800.800 …   Wikipedia

  • Perineurium — Als Nervenfaser bezeichnet man den Fortsatz einer Nervenzelle, das Axon bzw. den Neuriten mitsamt seiner Myelinscheide. Diese Nervenfasern sind im peripherem Nervensystem durch bindegewebige Hüllen zu Nerven gebündelt. Inhaltsverzeichnis 1… …   Deutsch Wikipedia

  • Perineurium — nervinių skaidulų pluoštą supantis dangalas statusas T sritis histologija, ląstelių chemija, histologinė chemija, audinių kultūra atitikmenys: lot. Perineurium ryšiai: platesnis terminas – nervas siauresnis terminas – epiteliškoji dalis… …   Veterinarinės anatomijos, histologijos ir embriologijos terminai

  • Perineurium — nervinių skaidulų pluoštą supantis dangalas statusas T sritis histologija atitikmenys: lot. Perineurium ryšiai: platesnis terminas – periferinė nervų sistema siauresnis terminas – epitelinė dalis siauresnis terminas – skaidulinė dalis sinonimas – …   Medicininės histologijos ir embriologijos vardynas

  • perineurium — noun (plural perineuria) Etymology: New Latin, from peri + Greek neuron nerve more at nerve Date: circa 1842 the connective tissue sheath that surrounds a bundle of nerve fibers …   New Collegiate Dictionary

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