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Article: An investigation of the vascular organisation of the canine submandibular gland

TitleAn investigation of the vascular organisation of the canine submandibular gland
Authors
Issue Date1993
PublisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journals/JOA
Citation
Journal Of Anatomy, 1993, v. 183 n. 3, p. 619-630 How to Cite?
AbstractIt is known that parasympathetic nerve stimulation elevates venous pressure in the dog submandibular gland, and that the venous pressure wave is transformed to that of the arterial pulse. The vascular arrangements and histological characteristics of the dog submandibular gland were therefore examined to establish which anatomical structures are responsible for the change in venous pressure during salivation induced by parasympathetic stimulation. The acinar and ductal circulations were found to be arranged in parallel and arteriovenous anastomoses were identified in both. Microsphere injection studies demonstrated the opening of arteriovenous anastomoses in actively secreting glands. Smooth muscle cells were rarely found in venous blood vessels but venous valves were abundant in both circulations. Dense connective tissue was observed to enclose the ductal system and its accompanying structures (blood vessels, lymphatic vessels and nerves); it was most abundant in the hilum and diminished aborally. The mechanism responsible for elevating venous pressure during parasympathetic salivation is thus probably related to opening of the arteriovenous anastomoses, the increase in the amount of surrounding dense connective tissue in a central direction may facilitate the preservation of the transmitted arterial pressure and pulse in the venous system.
Persistent Identifierhttp://hdl.handle.net/10722/171597
ISSN
2015 Impact Factor: 2.154
2015 SCImago Journal Rankings: 1.056
PubMed Central ID
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLung, MAen_US
dc.date.accessioned2012-10-30T06:15:54Z-
dc.date.available2012-10-30T06:15:54Z-
dc.date.issued1993en_US
dc.identifier.citationJournal Of Anatomy, 1993, v. 183 n. 3, p. 619-630en_US
dc.identifier.issn0021-8782en_US
dc.identifier.urihttp://hdl.handle.net/10722/171597-
dc.description.abstractIt is known that parasympathetic nerve stimulation elevates venous pressure in the dog submandibular gland, and that the venous pressure wave is transformed to that of the arterial pulse. The vascular arrangements and histological characteristics of the dog submandibular gland were therefore examined to establish which anatomical structures are responsible for the change in venous pressure during salivation induced by parasympathetic stimulation. The acinar and ductal circulations were found to be arranged in parallel and arteriovenous anastomoses were identified in both. Microsphere injection studies demonstrated the opening of arteriovenous anastomoses in actively secreting glands. Smooth muscle cells were rarely found in venous blood vessels but venous valves were abundant in both circulations. Dense connective tissue was observed to enclose the ductal system and its accompanying structures (blood vessels, lymphatic vessels and nerves); it was most abundant in the hilum and diminished aborally. The mechanism responsible for elevating venous pressure during parasympathetic salivation is thus probably related to opening of the arteriovenous anastomoses, the increase in the amount of surrounding dense connective tissue in a central direction may facilitate the preservation of the transmitted arterial pressure and pulse in the venous system.en_US
dc.languageengen_US
dc.publisherBlackwell Publishing Ltd. The Journal's web site is located at http://www.blackwellpublishing.com/journals/JOAen_US
dc.relation.ispartofJournal of Anatomyen_US
dc.subject.meshAnimalsen_US
dc.subject.meshDogs - Anatomy & Histologyen_US
dc.subject.meshFemaleen_US
dc.subject.meshMaleen_US
dc.subject.meshParasympathetic Nervous System - Physiologyen_US
dc.subject.meshSalivation - Physiologyen_US
dc.subject.meshSubmandibular Gland - Blood Supplyen_US
dc.titleAn investigation of the vascular organisation of the canine submandibular glanden_US
dc.typeArticleen_US
dc.identifier.emailLung, MA:makylung@hkucc.hku.hken_US
dc.identifier.authorityLung, MA=rp00319en_US
dc.description.naturelink_to_OA_fulltexten_US
dc.identifier.pmid8300439-
dc.identifier.pmcidPMC1259888-
dc.identifier.scopuseid_2-s2.0-0027724534en_US
dc.identifier.volume183en_US
dc.identifier.issue3en_US
dc.identifier.spage619en_US
dc.identifier.epage630en_US
dc.identifier.isiWOS:A1993MT29400018-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridLung, MA=7006411781en_US

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