Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
1977-6-30
pubmed:abstractText
In one phase of an analysis of renal pelvis activity in pigs "in vivo," controlled pressure changes were induced in the pelvis and electromyogram registrations were taken from both pelvis and ureter. Animals were anesthetized and the changes in intrapelvic pressure were effected by drainage or infusion via a catheter introduced into the pelvis through the parenchyma of the kidney. Frequency of pelvic activity increased temporarily under pressure increase and reduced temporarily under pressure fall. These phenomena were more emphatic when rapid pelvic pressure rise was induced by infusion. The observations lend weight to previous observations of changing pelvic activity during pressure and diuresis change, and also support the hypothesis that pelvic function is a stretch response, i.e., that the smooth muscle of the pelvis reacts just as does other smooth muscle. Observation of cessation in ureter activity during drainage while pelvic activity continues suggests that, under normal conditions, ureteric activity depends not on conduction of a pelvic impulse alone, but on a combination of such an impulse with a urine bolus.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
0021-0005
pubmed:author
pubmed:issnType
Print
pubmed:volume
14
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
475-7
pubmed:dateRevised
2003-11-14
pubmed:meshHeading
pubmed:year
1977
pubmed:articleTitle
Dynamics of upper urinary tract. III. The activity of renal pelvis during pressure variations.
pubmed:publicationType
Journal Article