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Forsíða

Forsíða

Sighvatur Sævar Árnason - Associate Professor

Sighvatur Sævar Árnason

–

School of Health Sciences

Sighvatur Sævar Árnason

Associate Professor

Physiologist

Location
Læknagarður / Lg-503
Phone
5254832 8463361
Email
ssa [at] hi.is

Unit
Faculty of Medicine
Website
http://starfsfolk.hi.is/simaskra/1185

Consultation hours
By appointment
ORCID site
https://orcid.org/0000-0001-5939-8154
Research portal – Sighvatur Sævar Árnason

Published works

2015

Transport characteristics and morphology of the colon and coprodeum in two wild birds of different habitats, the rock ptarmigan (Lagopus mutus) and the common murre (Uria aalge).Comparative biochemistry and physiology. Part A, Molecular & integrative physiology

2011

CFTR mediated chloride secretion in the avian renal proximal tubule.Comparative biochemistry and physiology. Part A, Molecular & integrative physiology

2009

NH4+ secretion in the avian colon. An actively regulated barrier to ammonium permeation of the colon mucosa.Comparative biochemistry and physiology. Part A, Molecular & integrative physiology

2006

Epithelial structure and function in the hen lower intestineAvian Gut Function in Health and Disease
Endocrine regulation of ion transport in the avian lower intestine.General and comparative endocrinology

2003

PTH stimulates a Cl^--dependent and EIPA-sensitive current in chick proximal tubule cells in cultureAmerican Journal of Physiology - Renal Physiology

2002

PTH stimulates a Cl(-)-dependent and EIPA-sensitive current in chick proximal tubule cells in culture.American Journal of Physiology - Renal Physiology

2001

Radioiodinated tyrosyl-ouabain and measurement of a circulating ouabain-like compound.Clinical chemistry
Aldosterone suppresses expression of an avian colonic sodium-glucose cotransporter.American Journal of Physiology - Regulatory, Integrative and Comparative Physiology
Aldosterone suppresses expression of an avian colonic sodium-glucose cotransporterAmerican Journal of Physiology - Regulatory Integrative and Comparative Physiology

2000

Radioimmunoassay of plasma ouabain in healthy and pregnant individuals.The Journal of endocrinology

1997

Aldosterone and the control of lower intestinal Na+ absorption and Cl- secretion in chickens.Comparative biochemistry and physiology. Part A, Physiology
Aldosterone and the control of lower intestinal Na+ absorption and Cl- secretion in chickensComparative Biochemistry and Physiology - A Physiology

1996

Dehydration natriuresis in male rats is mediated by oxytocinAmerican Journal of Physiology - Regulatory Integrative and Comparative Physiology
Dehydration natriuresis in male rats is mediated by oxytocin.The American journal of physiology

1991

Steady-state sodium absorption and chloride secretion of colon and coprodeum, and plasma levels of osmoregulatory hormones in hens in relation to sodium intake.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology
Steady-state sodium absorption and chloride secretion of colon and coprodeum, and plasma levels of osmoregulatory hormones in hens in relation to sodium intakeJournal of Comparative Physiology B

1986

Plasma levels of arginine vasotocin, prolactin, aldosterone and corticosterone during prolonged dehydration in the domestic fowl: effect of dietary NaCl.Journal of comparative physiology. B, Biochemical, systemic, and environmental physiology
Plasma levels of arginine vasotocin, prolactin, aldosterone and corticosterone during prolonged dehydration in the domestic flowl: effect of dietary NaClJournal of Comparative Physiology B

1985

Osmotic and hormonal responses to heat and dehydration in the fowlJournal of Comparative Physiology B
OSMOTIC AND HORMONAL RESPONSE TO HEAT AND DEHYDRATION IN THE FOWLJOURNAL OF COMPARATIVE PHYSIOLOGY B-BIOCHEMICAL SYSTEMIC AND ENVIRONMENTAL PHYSIOLOGY
Plasma concentrations of arginine vasotocin, prolactin, aldosterone and corticosterone in relation to oviposition and dietary NaCl in the domestic fowl.Comparative biochemistry and physiology. A, Comparative physiology

1984

Aldosterone-induced sodium transport in lower intestine. Effects of varying NaCl intake.Pflugers Archiv : European journal of physiology
Aldosterone-induced sodium transport in lower intestine - Effects of varying NaCl intakePflügers Archiv European Journal of Physiology

Keywords for Specialisation:

Epithelial physiology

Hormones of ion regulation

Hormones of metabolism

Muscle physiology

Bird physiology

Mammalian physiology