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Sunday, July 26, 2020 | History

2 edition of Electrolyte metabolism during the oestrous cycle in the rat. found in the catalog.

Electrolyte metabolism during the oestrous cycle in the rat.

Susan M. Hinsull

Electrolyte metabolism during the oestrous cycle in the rat.

by Susan M. Hinsull

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Published by U. of Aston in Birmingham, Department of Biological Sciences/Department of Pharmacy in Birmingham .
Written in English


Edition Notes

Ph.D. Thesis, 1972.

ID Numbers
Open LibraryOL21655468M

4 or 5 days (Westwood, ) in the dark period during the estrus phase (Goldman et al., ; Johnson, ). However, females can also accept males the end during of proestrus (Hebel and Stromberg, ). The structural changes observed in the vaginal epithelium of female rats during the estrous cycle are induced by estrogen and progesterone. The oestrous cycle in the rat and its associated phenomena by Joseph Abraham Long, , Univ. of California Press edition, in English.

b) Adrenal Medulla.- Pineal-Thyroid Interrelationships.- Pineal-Parathyroid Interrelationships.- Pineal, Islets of Langerhans and Carbohydrate Metabolism.- Miscellaneous Effects of the Epiphysis Cerebri.- a) Adipose Tissue, Lipid Metabolism and Liver.- b) Food Intake, Water Intake, Alcohol Consumption and Electrolyte Metabolism Energy balance (A), energy intake (B), and total energy expenditure (C) for lean and obese rats during each phase of the estrous cycle [diestrus 1 (D1), diestrus 2 (D2), proestrus (P), and estrus (E)], immediately following surgical ovariectomy (OVX) while in energy balance (OVX-EB), and during OVX-induced rapid weight gain (OVX-Gain). Effects.

• Norepinephrine (NE), dopamine (DA), tyrosine hydroxylase (TH), catechol-O-methyltransferase (COMT) and monoamine oxidase (MAO) levels were measured in human brain tissue obtained at autopsy from a series of 39 patients dying of various medical and accidental causes. The nine following brain areas. As we saw in figure on page , a key process in metabolism is the transport of hydrogen ions (H+) across a membrane to create a concentration gradient. Other processes can result in an equal concentration of H+ on each side.


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Electrolyte metabolism during the oestrous cycle in the rat by Susan M. Hinsull Download PDF EPUB FB2

Abstract. Daily changes in water and electrolyte balance during pregnancy were investigated in rats housed in metabolism cages. Fluid intake was significantly elevated above control values from day 13 of pregnancy, with urine output failing to be raised to the same by: ROBINSON JR.

Metabolism of intracellular water. Physiol Rev. Jan; – THIERSCH JB, LANDA JF, WEST TC. Transmembrane potentials in the rat myometrium during pregnancy. Am J Physiol. Apr; (4)–Cited by: 1. Electrolyte metabolism during the oestrous cycle in the rat Author: Hinsull, Susan M.

ISNI: Awarding Body: University of Aston in Birmingham Current Institution: Aston University Date of Award: Availability of Full Text: Author: Susan M. Hinsull. Sorry, our data provider has not provided any external links therefore we are unable to provide a link to the full : Susan M.

Hinsull. Electrolytes are minerals that are involved in many essential processes in your body. This article takes a detailed look at electrolytes, their functions, the risk of imbalance and : Helen West, RD.

MONOAMINE REGULATION IN RAT ENDOMETRIUM AND BRAIN REGIONS DURING EARLY PREGNANCY AND OESTROUS CYCLE RI,and YOS CNRS-Reproductive Physiology, Hôpital de Bicetre (INSERM) 9^ BICETRE, France ABSTRACT Monoamine metabolism in the rat uterine endometrium was found to show a marked activation during the metoestrous phase of the oestrous cycle.

Alterations in water-electrolyte metabolism associated with different phases of the reproductive cycle have been demonstrated in various species, including man and rats. In women, the occurrence of edema during the third trimester of gestation [22] and the luteal phase of the menstrual cycle [23] is well established.

During preclinical investigations into the safety of drugs and chemicals, many are found to interfere with the reproductive function of the female rat (Yuan and Foley ).This interference is commonly expressed as a change in normal morphology of the reproductive tract or a disturbance in the duration of particular phases of the estrous cycle.

The oestrous cycle in the rat ^tained in % methylene blue for 1 min. and rinsed in tap water. The smears were either examined wet, or dehydrated, cleared and mounted in Canada balsam. This technique stains acidophil cytoplasm red, and basophil cytoplasm blue.

Although. Hormonal and Ovarian Changes During the Estrous Cycle. Figure 1. Follicular Phase. Follicles the dominate ovarian structure Estrogen the dominate hormone Luteal Phase. Corpora lutea the dominate ovarian structure Progesterone the dominate hormone The 4 Stages of the Estrous Cycle.

Proestrus follicle enlarges estrogen increases. ADMINISTRATION of oestrogen to an ovariectomised or immature rat promotes a rapid increase in the content of water and univalent electrolytes in uterus. A simple method for determining estrus cycle stage is known as a vaginal lavage or vaginal smear.

The 4 stages can be distinguished by noting characteristic cell types that are visible during each stage, in addition differences in cell density. A small amount of a physiological saline.

Lovick TA. Plasticity of GABAA receptor subunit expression during the oestrous cycle of the rat: implications for premenstrual syndrome in women. Exp Physiol. ; Halbreich U, Kahn LS. Role of estrogen in the aetiology and treatment of mood disorders.

CNS Drugs. ; Brot MD, Akwa Y, Purdy RH, et al. In the rat, the hypothalamicpituitary-adrenal (HPA) axis becomes very sensitive to stress during proestrus compared to other phases of the estrus cycle (Viau and Meaney ).

The observation that during pregnancy the circulating 1,dihydroxyvitamin D, 1,25(OH)2D, concentrations are higher than in the nonpregnant state as well. Bakhle, Y.S. and Ben-Harari, R.R. c, Metabolism of angiotensin and bradykinin in rat isolated lungs during the oestrous cycle.

(in press) Google Scholar Bakhle, Y.S. and Block, A.J. Effects of halothane on pulmonary inactivation of noradrenaline and prostaglandin E. The word desert denotes areas characterised by high temperatures and low irregular precipitation, resulting in extensive drought and scarcity of vegetation.

Animals living in such an environment are. Electrolytes, particularly sodium, help the body maintain normal fluid levels in the fluid compartments because the amount of fluid a compartment contains depends on the amount (concentration) of electrolytes in the electrolyte concentration is high, fluid moves into that compartment (a process called osmosis).

Likewise, if the electrolyte concentration is low, fluid moves out of that. This article reviews alterations in volume and sodium handling during rat pregnancy, noting similarities and contrasts to events in human gestation. Gravid rodents undergo extracellular and plasma volume increases of 50% to 70%, and these changes accompany a marked cumulative sodium retention shared by both dam and fetuses.

Pregnancy alters several factors, with opposing effects on renal salt. This study determined effects of day of oestrous cycle and early pregnancy on sulfated glycoprotein-1 (SGP-1) expression in ovine endometrium.

A bp clone of the ovine SGP-1 mRNA was amplified from reverse transcribed Day cyclic endometrial mRNA using the polymerase chain reaction (PCR) and primers specific for the rat SGP-1 mRNA sequence. Nucleotide sequence of the ovine SGP-1 cDNA.

During the menstrual cycle, the endometrium grows to a thick, blood vessel-rich tissue lining, representing an optimal environment for the implantation of a blastocyst upon its arrival in the uterus.

Menstrual cycles are counted from the first day of menstrual bleeding and are typically 28 days long.ADMINISTRATION of oestrogen to an ovariectomised or immature rat promotes a rapid increase in the content of water and univalent electrolytes in uterus and vagina 1,2.

Although alterations in the uptake and retention of calcium and other divalent cations by several hormone-responsive tissues have been reported following long term administration of oestrogen in vivo3,4 and during.The duration of the oestrous cycle in thirty-nine adult rats derived from ten litters was ± days.

The variance in cycle length tended to be less within than between litter-groups (P ≏). It was significantly less for individual rats than between individuals (P.