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Registros recuperados: 7
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Alternativa farmacológica para a indução e a sincronização do parto em cabras leiteiras. Repositório Alice
MACHADO, R.; MENESCAL, R. A.; SIMPLÍCIO, A. A..
1991
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Ocitocina; Estrogens; Caprino; Cabra leiteira; Parto; Undução; Sincronização do cio; Estrogeno; Goats; Induced parturition; Oestrogens; Oxytocin.
Ano: 1991 URL: http://www.alice.cnptia.embrapa.br/handle/doc/514506
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Changes in the electrophysiological parameters of the posterior intestine of Anguilla anguilla (Pisces) induced by oxytocin, urotensin II and aldosterone BJMBR
In view of the importance of the intestine in the osmoregulation of freshwater fishes, we determined the effects of oxytocin, urotensin II (UII), and aldosterone added to the serosal side of the isolated posterior intestine of the freshwater-adapted teleost Anguilla anguilla on electrophysiological parameters. Oxytocin decreased the short-circuit current (SCC) and transepithelial potential difference (TPD) at concentrations of 1 and 10 mU/ml (to 50% and 42% of control values, respectively), but did not alter these parameters at a concentration of 0.1 mU/ml. UII reduced SCC and TPD at concentrations of 10 nM, 50 nM and 100 nM (to 85% of control values), but increased these parameters at the concentration of 500 nM (to 115% of control values). Aldosterone...
Palavras-chave: Intestine; Anguilla anguilla; Oxytocin; Urotensin II; Aldosterone.
Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000100006
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Influence of time at which oxytocin is administered during labor on uterine activity and perinatal death in pigs Biol. Res.
MOTA-ROJAS,DANIEL; VILLANUEVA-GARCÍA,DINA; VELAZQUEZ-ARMENTA,ELVIA Y; NAVA-OCAMPO,ALEJANDRO A; RAMÍREZ-NECOECHEA,RAMIRO; ALONSO-SPILSBURY,MARÍA; TRUJILLO,MARÍA E.
Oxytocin is extensively used to induce or augment uterine contractions, especially to facilitate the third stage of labor in humans. Administration of oxytocin to parturient sows reduces duration of labor whereas mortality of the offspring may remain unchanged. This study aimed to evaluate whether time of administration of oxytocin during parturition may alter the uterine response and fetal outcomes. Two hundred parturient sows were randomly assigned to intramuscularly receive either saline solution (control group) or oxytocin 0.083 IU/kg immediately after the delivery of the 1st, 4th or 8th piglet (groups O-1, 0-4 and 0-8, respectively). Uterine effects and fetal outcomes were registered in all groups. The duration of labor was 20-40 min shorter (P <...
Tipo: Journal article Palavras-chave: Fetal distress; Fetal monitoring; Obstetric labor; Oxytocin; Uterine contractions.
Ano: 2007 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602007000100006
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Neuroendocrine regulation of salt and water metabolism BJMBR
Neurons which release atrial natriuretic peptide (ANPergic neurons) have their cell bodies in the paraventricular nucleus and in a region extending rostrally and ventrally to the anteroventral third ventricular (AV3V) region with axons which project to the median eminence and neural lobe of the pituitary gland. These neurons act to inhibit water and salt intake by blocking the action of angiotensin II. They also act, after their release into hypophyseal portal vessels, to inhibit stress-induced ACTH release, to augment prolactin release, and to inhibit the release of LHRH and growth hormone-releasing hormone. Stimulation of neurons in the AV3V region causes natriuresis and an increase in circulating ANP, whereas lesions in the AV3V region and caudally in...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Anteroventral third ventricle (AV3V) region; Blood volume expansion; ANP neurons; Oxytocin; Vasopressin; Plasma ANP; Thirst; Salt intake; Natriuresis; Kaliuresis.
Ano: 1997 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000400001
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Relationship between Peripartal Plasma Oxytocin and Prostaglandin F2α Metabolite and Placental Expulsion Time in Heavy Draft Mares OAK
ISHII, Mitsuo; KOBAYASHI, Syuichi; ACOSTA, Tomas J.; MIKI, Wataru; YAMANOI, Takahiro; MATSUI, Motozumi; MIYAKE, Yoh-Ichi; MIYAMOTO, Akio; 石井, 三都夫; 松井, 基純; 三宅, 陽一; 宮本, 明夫.
The aim of this study was to clarify the relationship between circulating oxytocin (OT) and PGF2α metabolite (PGFM) in mares at the third stage of labor and placental expulsion time in order to investigate a cause of retained placenta of which the incidence increase in a heavy draft mare. Blood was sampled every 5 min from foaling to expulsion of the placenta in 18 heavy draft mares to evaluate circulating OT and PGFM. The relationships between OT and PGFM concentration and recorded placental expulsion times were investigated. The results were as follows (1) The highest level of OT concentration was observed close to foaling in 15 mares. (2) The OT concentrations close to foaling were variable with a large difference from the lowest concentration, 22.1...
Palavras-chave: Heavy draft mare; Oxytocin; 15-keto-dihydro prostaglandin F2α (PGFM); Placental expulsion.
Ano: 2008 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/3089
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Route of Oxytocin administration and nonsurgical embryo recovery in Santa Inês ewes after induction synchronous estrus. Repositório Alice
FONSECA, J. F. da; ZAMBRINI, F. N.; PEREIRA, V. S. do A.; CHAVES, D. S.; PEREIRA, V. S. A.; ESTEVES, S. N.; ESTEVES, S. N.; LEITE, C. R.; FABJAN, J.M.G. S.; BRANDÃO, F. Z.; MACHADO, R..
Oxytocin has been used to promote cervical dilation with the objective to access uterus both in artificial insemination and transcervical embryo recovery in sheep and goats. The objective of this study was to test the effect of two routes of oxytocin administration on nonsurgical embryo recovery efficiency in Santa Inês ewes after induction of synchronous estrus. Results of this study showed that nonsurgical transcervical embryo recovery can be efficiently done in some ewes; a higher number of individuals is needed to conclude that transcervical embryo recovery can be efficiently done in ewes and surgery embryo collections can be avoided in near to 60% of pluriparous Santa Inês ewes; and that the route of oxytocin administration did not affect the...
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Raça Santa Inês; Oxitocina; Transcervical embryo recovery; Coleta transcervical; Ovino; Ovelha; Reprodução animal; Sheep; Ewes; Oxytocin; Reproduction.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1052428
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Social stimuli cause changes of plasma oxytocin and behavior in guinea pigs Biol. Res.
WALLNER,BERNARD; DITTAMI,JOHN; MACHATSCHKE,IVO.
The neuropeptide oxytocin (OXT) is a key factor in the initiation and regulation of sociosexual behavior. The present study analyzes the effects of cohabitation and social challenge on plasma OXT concentration rates in guinea pig pairs in relation to male sociosexual behavior. The cohabitation phase lasted 3 days. On day 4, the pair was socially challenged by introducing an unfamiliar male. Displayed male sexual behavior varied significantly during cohabitation, with peaks on day 1. Sociopositive behavior, i.e., side-by-side contact, was increased on days 3 and 4. Cohabitation per se led to elevated plasma OXT concentrations only in males. In contrast, both sexes reacted with increased plasma OXT concentrations to the social challenge (day 4). At that...
Tipo: Journal article Palavras-chave: Oxytocin; Behavior guinea pig social challenge cohabitation.
Ano: 2006 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602006000200007
Registros recuperados: 7
Primeira ... 1 ... Última
 

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