Rectal gland
A critical analysis of carbonic anhydrase function, respiratory gas exchange, and the acid base control of secretion in the rectal gland of Squalus acanthias
... Analyses for intracellular pH and fluid volume calculations The same methods were used for both in vivo and in vitro samples. Notably, the response time of this [ 14 C]DMO technique is less than 15·min, even in poorly ...
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Metabolic organization and effects of feeding on enzyme activities of the dogfish shark (Squalus acanthias) rectal gland
... in rectal gland also compare favorably with other highly aerobic tissues, such as bluefin tuna heart [77–95·U at 25°C (Blank et ...dogfish rectal gland has the best of both worlds: a high ...
10
Osmoregulation in elephant fish Callorhinchus milii (Holocephali), with special reference to the rectal gland
... actively secreted against concentration gradients (Olson, 1999). In elephant fish, however, we could not find a discrete rectal gland. Instead, unique tubular structures were embedded in the wall of the ...
8
Perfusion of isolated tubules of the shark rectal gland Electrical characteristics and response to hormones
... shark rectal gland actively transport Cl against an electrochemical gradient by mechanisms involving hormone-sensitive NaCl ...shark rectal gland previously have not been perfused in ...single ...
6
A new method for culturing dogfish shark (Scyliorhinus canicula) rectal gland epithelial cells
... basolateral baths produced a drop in I^c indicating that chloride was the ion being transported. Stimulation by 10"^ M AP-III produces an initial rise in Isc similar to VIP, but the rise is then followed by ...
205
Hormonal control of rectal gland secretion in the European lesser spotted dogfish 'Scyliorhinus canicula'
... the rectal gland arteiy, as close to the gland as anatomy allowed, using PE 10 cannula ...The rectal gland vein and duct were then cannulated using pulled out PE 50 ...the gland ...
285
The effects of extracellular sodium chloride on the activity and expression of Na,K ATPase in primary cultures of dogfish (Scyliorhinus canicula) rectal gland epithelial cells
... The preliminary aim of this project was to establish a primary cell line of epithelial ceUs from the dogfish (Scyliorhinus canicula ) rectal gland. Epithélia are tissues that line the body and organ ...
341
Effects of environmental salinity on Na(+)/K(+) ATPase in the gills and rectal gland of a euryhaline elasmobranch (Dasyatis sabina)
... salt-secreting rectal gland (Shuttleworth, 1988; Karnaky, ...when rectal glands were surgically removed from spiny dogfish Squalus acanthias (Burger, 1965; Evans et ...
10
The effect of feeding on ion transport in the rectal gland of the European dogfish (Scyliorhinus canicula)
... of rectal gland epithelial cells from the dogfish shark, Squalus acanthias, identified a secretory chloride current in cell-attached patches to be activated by ...of rectal gland cells ...
309
A Ca2+ sensing receptor modulates shark rectal gland function
... the rectal gland varies over a wide range in vivo (Kent and Olson, 1982), suggesting intermittency of gland perfusion that may reflect changes in circulatory volume and hormonal changes associated ...
9
Contractile properties of the elasmobranch rectal gland
... the rectal gland in vivo may also be controlled by perfusion limitations in the gland itself or in the posterior mesenteric artery, which supplies the ...the gland (via α-receptors) in a ...
9
The molecular basis of chloride transport in shark rectal gland
... of rectal gland tubules had shown the presence of two different channels, a smaller one with a conductance of 11 pS, which is close to that of human CFTR, and a larger one with a conductance of ...
14
Haemodynamic effects of secretory agents on the isolated elasmobranch rectal gland
... The possibility exists, therefore, that the observed increases in perfusion flow induced by the addition of the adenosine and cAMP + theophylline to glands perfused with noradrenaline ma[r] ...
12
Mechanism and control of hyperosmotic NaCl rich secretion by the rectal gland of Squalus acanthias
... These changes were examined when isolated perfused glands were in the basal state and also when they were stimulated to secrete with cAMP and theophylline, to see whether stimulation aff[r] ...
20
A1 adenosine receptors inhibit chloride transport in the shark rectal gland Dissociation of inhibition and cyclic AMP
... When chloride secretion and tissue cyclic cAMP content were determined simultaneously in perfused glands, 2Clado completely inhibited secretion but only inhibited forskolin stimulated cA[r] ...
9
Endogenous adenosine is an autacoid feedback inhibitor of chloride transport in the shark rectal gland
... Correlation of adenosine and inosine release with chloride transport rates To correlate adenosine and inosine release with rates of chloride transport, rectal glands were perfused in vit[r] ...
8
Perfusion secretion relationships in the isolated elasmobranch rectal gland
... The effect of stimulation with cyclic AMP and theophylline and the effect of a reduction in the availability of oxygen in the perfusate on normal perfusion and sodium secretion parameter[r] ...
12
Osmoregulation by the Prenatal Spiny Dogfish, Squalus Acanthias
... The cloacal flow rates and fluid concentrations in Table 7 are in the same range as the few published studies of rectal gland secretion by other, adult elasmobranchs Evans, 1979, indicat[r] ...
11
Mammary gland-derived nestin-positive cell populations can be isolated from human male and female donors
... The existence and isolation of stem cells in mammary glands was described by several groups starting decades ago. In 1959 Deome and colleagues described mice trans- plantation studies of mammary tissue into body sites ...
13
Prolapse Incidence in Swine Breeding Herds Is a Cause for Concern
... DOI: 10.4236/ojvm.2017.78009 86 Open Journal of Veterinary Medicine the most common removal reasons were reproductive disorders (26.9%), in- cluding anoestrus, return to oestrus, and prolapse in Swedish commercial herds ...
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