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Electrochemical vaginal potential during the estral cycle and pregnancy in the rat.

Potentials were measured with nonpolarizable salt electrodes agar KCl-AgCl during the estral cycle and pregnancy of the rat. The vaginal fundus is positive in regard to the external end of the vagina and does not present changes associated with the estral cycle.

Vaginal -abdominal skin potentials present monophasic modifications associated with the estral cycle. Directory of Open Access Journals Sweden.

The vaginal smears had been made daily during the estrous cycle, detected for a ruffian. EEG activity during estral cycle in the rat. EEG activity was recorded from right and left parietal cortex in adult female rats daily during 6 days. Immediately after EEG recording vaginal smears were taken and were microscopically analyzed to determine the estral stage.

Absolute and relative powers and interhemispheric correlation of EEG activity were calculated and compared between estral stages. Interhemispheric correlation was significantly lower during diestrous as compared to proestrous and estrous.

Absolute and relative powers did not show significant differences between estral stages. Absolute powers of alpha1, alpha2, beta1 and beta2 bands were significantly higher at the right parietal cortex.

Comparisons of the same EEG records with estral stages randomly grouped showed no significant differences for any of the EEG parameters.

EEG activity is a sensitive tool to study functional changes related to the estral cycle. O ciclo estral da cadela se divide em fases sucessivas e individualizadas, sendo elas: Para tanto, foram realizados exames em Desipramine restricts estral cycle oscillations in swimming.

Desipramine DMI is a tricyclic antidepressant which reduces the immobility in rats forced to swim; however, it is unknown whether estral cycle phases extrqfascial on DMI actions on immobility in daily swimming tests during several weeks.

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In female wistar rats, vaginal smears taken before testing defined four estral phases. Afterwards, the authors assessed the latency for the first period histerectoma immobility in five-min forced swim tests practiced on day DMI DMI groupday washout saline given after a day DMI treatment washout-saline groupor non-treated rats control group. We observed a longer latency for the first period of immobility in proestrus-estrus from the control and washout-saline groups.

The day treatment with DMI 2. It is concluded that proestrus-estrus relates to increased struggling behavior. DMI enhances struggling behavior independently of hormonal state.

Vampires and a Moco Jumbie. To the surprise and delight of the teacher, the students describe in class discussions and in their writings their beliefs in the supernatural. What treatments are available for vaginal yeast infection? Yeast infections can be treated either by placing Also called yeast infection or moniliasis, a type Full Text Available The vaginal epithelial changes document reproductive cycles and provide an index of the functional status of the hypothalamic-pituitary-ovarian axis.

However, it is necessary to understand the vaginal cytology relationship. In our work we study the vaginal epithelium of intact and ovariectomized female mice. We analyzed young, middle aged and aged vaginal cytology and compared them with an ovariectomized group. The results show that female young intact mice manifest a four days estrous cycle phases: In contrast, female middle aged and aged mice showed the persistence of diestrous phase.


Ovariectomized mice showed a similar cytology than the middle aged and aged intact ones. En este trabajo se estudiaron las diferencias del epitelio vaginal de ratones hembra intactas y ovariectomizadas. En contraste, las hembras maduras y ancianas presentaron la fase de diestro persistente.

To determine whether central catecholaminergic pathways are involved in the neural contral of gonadotrophin secretion, they were interrupted at the hypothalamic level by microinjections of 6-hydroxydopamine 6-OHDA. The effects on ovulation, estral cycle and ovarian and uterine histology were studied.

Microinjections of 50 mug of 6-OHDA hydrobromyde were made bilaterally into quirurgiva anterolateral hypothalamus in a group of rats. Another group was injected with 25 mug of 6-OHDA, while a control group recieved an equivalent volume 5 mul of saline with ascorbic acid.

Animals injected with 50 mug of 6-OHDA showed blockade of ovulation, vaginal cytology characteristics of persistent estrous, polyfollicular ovaries and enlarged uteri with hypertrophic endometrial glands. In the group injected with 25 mug, similiar effects were demonstrated, but the number of affected animals was smaller than that in the 50 mug group.

tecnica quirurgica de histerectomia abdominal pdf creator

Control animals dit not show modifications, either in estral cycle or in ovarian and uterine histology. These results suggest that 6-OHDA injected into the anterolateral hypothalmus interferes with catecholaminergic pathways that participate in the neural control of ovulation.

Types of vaginal infections top Two common vaginal infections are bacterial What is vaginal atrophy? Vaginal atrophy also referred to as vulvovaginal Vaginal dryness Vaginal burning Vaginal discharge Genital itching Burning with urination Urgency with urination Also make an appointment if you have vaginal symptoms, such as unusual Causes Genitourinary syndrome of menopause Analysis of hyaluronic acid concentration in rat vocal folds during estral and gravidic puerperal cycles.

Hormone plays an important role in the larynx. Among other substances, vocal folds contain hyaluronic acid, which tissue concentration may vary according to hormone action. In the first group we used 20 rats to establish the concentration of hyaluronic acid during the estral cycle and in the second group, 20 animals were submitted to the same procedure but during the gravidic-puerperal cycle. Variations in eztrafascial acid concentration was not observed during the estral cycle.

In the gravidic puerperal cycle group, an increase in hyaluronic acid concentration was observed in the puerperal subgroup. Comparing the two groups of estral and gravidic-puerperal cycles, no difference was observed. In comparing all subgroups of estral and gravidic-puerperal cycles, an increase in hyaluronic acid concentration was noticed only in the puerperal phase.

Trichomoniasis — a sexually transmitted infection — also can lead to vaginal odor.

tecnica quirurgica de histerectomia abdominal pdf creator – PDF Files

Chlamydia and gonorrhea infections usually don’t cause vaginal odors. Energy transfer and photochemistry on a metal surface: Mo CO 6 on Rh The occurrence of photoinduced reactions on solid surfaces depends on the relative rates between the excited-state decomposition and the energy transfer to the surface.

In this study, the photodecomposition of Mo CO 6 on Rh at 90 K by nm UV irradiation has been studied as a function of coverage and surface preparation using thermal desorption spectroscopy, electron energy-loss spectroscopy, and photoinduced desorption spectroscopy. It is found that Mo CO 6 adsorbs dissociatively on Rh into carbonyl fragments and CO in the first monolayer and molecularly in multilayers.


Photoinduced desorption of CO is observed for the multilayers adsorbed onto the dissociated first layer via a nonthermal electronic excitation of adsorbed metal carbonyls. The presence of the metal surface prevents complete decarbonylation as in the gas phase; deexcitation of electronically excited carbonyls is not sufficiently fast to quench all the observed photochemistry. It is also found that Mo CO 6 adsorbs molecularly on a presaturated CO ordered overlayer on Rh and undergoes photodissociation to a greater degree than on the dissociated and disordered surface of carbonyl fragments.

The ordered CO layer effectively screens the interaction between the molecular carbonyls and the Rh layer surface. Chronic vaginitis is the most common vaginal disorder. Dogs extrafadcial vaginitis show no signs of systemic illness but often lick at the vulva and have purulent or hemorrhagic vaginal discharges. Vaginitis is most commonly secondary to a noninfectious inciting factor such as congenital vaginal anomalies, clitoral hypertrophy, foreign bodies, trauma to the vaginal mucosa, or vaginal tumors.

Inspection of the caudal vagina and vestibule both visually and digitally will often reveal the source of vaginal extrarascial. Vaginal cytology is used to establish the stage of the estrous cycle as well as distinguish uterine from vaginal sources of discharge. Vaginal cultures are used to establish the predominant offending extrafaacial associated with vaginal discharges and may be used as histetectomia guide for selection of a therapeutic agent.

Vaginitis is best managed by removing the inciting cause and treating the area locally with antiseptic douches. Congenital malformations extrafwscial the vestibulovaginal or vestibulovulvar junction may prevent normal intromission.

Affected bitches may be reluctant to breed naturally because of pain. Such defects are detected best by digital examination. Congenital vaginal defects may be corrected by digital or surgical means.

Prolapse of tissue through the lips of the vulva may be caused by clitoral hypertrophy, vaginal hyperplasia, or vaginal tumors. Enlargement of clitoral tissue is the result of endogenous or exogenous sources of androgens. Vaginal hyperplasia is detected during proestrus or estrus of young bitches.

Hyperplastic tissue will regress during diestrus. Ovariohysterectomy may be used to prevent recurrence. Vaginal tumors are detected most often in older intact bitches. Such tumors are generally of smooth muscle or fibrous. A vaginal cyst occurs on or under the lining of Vaginal problems are some of the most common reasons women go to the doctor. Other problems that affect the vagina include sexually In the first group we used 20 rats to establish the concentration of hyaluronic acid during the Sensibilidade as catecolaminas dos atrios direitos das ratas: Os objetivos deste trabalho foram: The Elevated plus maze is one of the most histerectoia models to study animal anxiety.

Anxiety can be influenced by physiological factors, such as the hormonal state. The aim of the present work is to investigate the relationship between estrus cycle and rat exploratory behavior in the elevated plus maze.