endoneurium


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
Related to endoneurium: perineurium

endoneurium

 [en″do-noor´e-um]
the interstitial connective tissue in a peripheral nerve, separating individual nerve fibers. Called also Henle's sheath and connective tissue sheath of Key and Retzius. adj., adj endoneu´rial.

en·do·neu·ri·um

(en'dō-nū'rē-ŭm), [TA]
The innermost connective tissue supportive structure of nerve trunks, surrounding individual myelinated and unmyelinated nerve fibers; consists principally of ground substance, collagen, and fibroblasts; with the perineurium and epineurium, composes the peripheral nerve stroma.
[endo- + G. neuron, nerve]

endoneurium

/en·do·neu·ri·um/ (-noor´e-um) the innermost layer of connective tissue in a peripheral nerve, forming an interstitial layer around each individual fiber outside the neurilemma.endoneu´rial

en·do·neu·ri·um

(en'dō-nūr'ē-ŭm) [TA]
The innermost connective tissue supportive structure present in peripheral nerve trunks, found within the fascicles. With the perineurium and epineurium, the endoneurium comprises the peripheral nerve stroma.
Synonym(s): Henle sheath.
[endo- + G. neuron, nerve]

endoneurium

The CONNECTIVE TISSUE surrounding individual nerve fibres.

Henle,

Friedrich Gustar Jacob, German anatomist, pathologist, and histologist, 1809-1885.
crypts of Henle - infoldings of conjunctiva.
Hassall-Henle bodies - see under Hassall
Henle ampulla - the dilation of the ductus deferens where it approaches its contralateral partner before it is joined by the duct of the seminal vesicle. Synonym(s): ampulla of ductus deferens
Henle ansa - Synonym(s): nephronic loop
Henle fenestrated elastic membrane - Synonym(s): elastic laminae of arteries
Henle fiber layer - the layer of inner cone fibers in the central area of the retina.
Henle fissures - minute spaces filled with connective tissue between the muscular fasciculi of the heart.
Henle glands - accessory lacrimal glands. Synonym(s): Baumgarten glands
Henle layer - the outer layer cells of the inner root sheath of the hair follicle.
Henle ligament
Henle loop - Synonym(s): nephronic loop
Henle membrane - the transparent inner layer of the choroid in contact with the pigmented layer of the retina. Synonym(s): lamina basalis choroideae
Henle nervous layer - the layer of the retina from the outer plexiform to the nerve fiber layer inclusive. Synonym(s): entoretina
Henle reaction - dark brown staining of the medullary cells of the adrenal bodies when treated with the salts of chromium, the cortical cells remaining unstained.
Henle sheath - the delicate connective tissue enveloping individual nerve fibers within a peripheral nerve. Synonym(s): endoneurium
Henle sphincter
Henle spine - small bony prominence anterior to the supramastoid pit at the posterosuperior margin of the bony external acoustic meatus. Synonym(s): suprameatal spine
Henle tubules - the straight portions of the uriniferous tubules that form Henle loop, distinguished as the descending and ascending tubules of Henle.
Henle warts - Synonym(s): Hassall-Henle bodies

Key,

Ernst A.H., Swedish anatomist and physician, 1832-1901.
foramen of Key-Retzius - one of the two lateral openings of the fourth ventricle into the subarachnoid space at the cerebellopontine angle. Synonym(s): lateral aperture of the fourth ventricle
Key-Retzius corpuscles - tactile corpuscles, resembling pacinian corpuscles, found in the beak of certain aquatic birds.
sheath of Key and Retzius - the delicate connective tissue enveloping individual nerve fibers within a peripheral nerve. Synonym(s): endoneurium

endoneurium

connective tissue layer enveloping individual nerve fibres within a peripheral nerve

endoneurium

the interstitial connective tissue in a peripheral nerve, separating individual nerve fibers.
References in periodicals archive ?
Capillaries are only found in the endoneurium and function as an extension of the bloodbrain barrier.
Sunderland Type 2 injuries occur only to the axon, whereas Type 3 and 4 damage the endoneurium and perineurium, respectively.
The endoneurium, a loose connective tissue, is the fourth layer surrounding the neurites.
The myelin and endoneurium left behind are phagocytized by cells involved in the inflammatory response.
5,7] CD34 is also expressed on vascular endothelium and vascular tumors, DICs, endoneurium, stromal tumors of the gastrointestinal tract, solitary fibrous tumors, epithelioid sarcomas, dermatofibrosarcoma protuberans, and some peripheral nerve sheath tumors.