Order Chiroptera) C
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
GROSS and HISTOMORPHOLOGY of the OVARY of BLACK BENGAL GOAT (Capra Hircus)
VOLUME 7 NO. 1 JANUARY 2016 • pages 37-42 MALAYSIAN JOURNAL OF VETERINARY RESEARCH RE# MJVR – 0006-2015 GROSS AND HISTOMORPHOLOGY OF THE OVARY OF BLACK BENGAL GOAT (Capra hircus) HAQUE Z.1*, HAQUE A.2, PARVEZ M.N.H.3 AND QUASEM M.A.1 1 Department of Anatomy and Histology, Faculty of Veterinary Science, Bangladesh Agricultural University, Mymensingh-2202, Bangladesh 2 Chittagong Veterinary and Animal Sciences University, Khulshi, Chittagong 3 Department of Anatomy and Histology, Faculty of Veterinary and Animal Science, Hajee Mohammad Danesh Science and Technology University, Basherhat, Dinajpur * Corresponding author: [email protected] ABSTRACT. Ovary plays a vital 130.07 ± 12.53 µm and the oocyte diameter role in the reproductive biology and was 109.8 ± 5.75 µm. These results will be biotechnology of female animals. In this helpful to manipulate ovarian functions in study, both the right and left ovaries of small ruminants. the Black Bengal goat were collected from Keywords: Morphometry, ovarian the slaughter houses of different Thanas follicles, cortex, medulla, oocyte. in the Mymensingh district. For each of the specimens, gross parameters such as INTRODUCTION weight, length and width were recorded. Then they were processed and stained with Black Bengal goat is the national pride of H&E for histomorphometry. This study Bangladesh. The most promising prospect revealed that the right ovary (0.53 ± 0.02 of Black Bengal goat in Bangladesh is g) was heavier than the left (0.52 ± 0.02 g). that this dwarf breed is a prolific breed, The length of the right ovary (1.26 ± 0.04 requiring only a small area to breed and cm) was lower than the left (1.28 ± 0.02 with the advantage of their selective cm) but the width of the right (0.94 ± 0.02 feeding habit with a broader feed range. -
Morphometric and Gene Expression Analyses of Stromal Expansion During Development of the Bovine Fetal Ovary', Reproduction, Fertility and Development
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Edinburgh Research Explorer Edinburgh Research Explorer Morphometric and gene expression analyses of stromal expansion during development of the bovine fetal ovary Citation for published version: Hartanti, MD, Hummitzsch, K, Irving-rodgers, HF, Bonner, WM, Copping, KJ, Anderson, RA, Mcmillen, IC, Perry, VEA & Rodgers, RJ 2018, 'Morphometric and gene expression analyses of stromal expansion during development of the bovine fetal ovary', Reproduction, Fertility and Development. https://doi.org/10.1071/RD18218 Digital Object Identifier (DOI): 10.1071/RD18218 Link: Link to publication record in Edinburgh Research Explorer Document Version: Publisher's PDF, also known as Version of record Published In: Reproduction, Fertility and Development General rights Copyright for the publications made accessible via the Edinburgh Research Explorer is retained by the author(s) and / or other copyright owners and it is a condition of accessing these publications that users recognise and abide by the legal requirements associated with these rights. Take down policy The University of Edinburgh has made every reasonable effort to ensure that Edinburgh Research Explorer content complies with UK legislation. If you believe that the public display of this file breaches copyright please contact [email protected] providing details, and we will remove access to the work immediately and investigate your claim. Download date: 11. May. 2020 CSIRO PUBLISHING Reproduction, Fertility and Development https://doi.org/10.1071/RD18218 Morphometric and gene expression analyses of stromal expansion during development of the bovine fetal ovary M. D. HartantiA, K. HummitzschA, H. -
Development of Mammalian Ovary
P SMITH and others Development of mammalian 221:3 R145–R161 Review ovary Development of mammalian ovary Peter Smith1,2, Dagmar Wilhelm3 and Raymond J Rodgers4 1AgResearch Invermay, Puddle Alley, Mosgiel 9053, New Zealand Correspondence 2Department of Anatomy, University of Otago, Dunedin 9054, New Zealand should be addressed 3Department of Anatomy and Developmental Biology, Monash University, Clayton, Victoria 3800, Australia to P Smith 4Robinson Research Institute, Discipline of Obstetrics and Gynaecology, School of Paediatrics and Reproductive Email Health, University of Adelaide, Adelaide, South Australia 5005, Australia [email protected] Abstract Pre-natal and early post-natal ovarian development has become a field of increasing Key Words importance over recent years. The full effects of perturbations of ovarian development on " ovary adult fertility, through environmental changes or genetic anomalies, are only now being " fetus truly appreciated. Mitigation of these perturbations requires an understanding of the " development processes involved in the development of the ovary. Herein, we review some recent findings " polycystic ovary syndrome from mice, sheep, and cattle on the key events involved in ovarian development. We discuss " premature ovary failure the key process of germ cell migration, ovigerous cord formation, meiosis, and follicle formation and activation. We also review the key contributions of mesonephric cells to ovarian development and propose roles for these cells. Finally, we discuss polycystic ovary syndrome, premature ovarian failure, and pre-natal undernutrition; three key areas in which perturbations to ovarian development appear to have major effects on post-natal fertility. Journal of Endocrinology (2014) 221, R145–R161 Journal of Endocrinology Introduction The developmental origins of health and disease are an development, bringing together the commonly accepted area of increasing research. -
Uterus – Dilation
Uterus – Dilation Figure Legend: Figure 1 Uterus - Dilation of the uterine lumen in a female B6C3F1/N mouse from a chronic study. There is dilation of the uterine horn. Figure 2 Uterus - Dilation in a female B6C3F1/N mouse from a chronic study (higher magnification of Figure 1). The endometrial epithelium is cuboidal. Figure 3 Uterus - Dilation in a female B6C3F1/N mouse from a chronic study. There is dilation of the uterine lumen, which contains flocculent, eosinophilic material. Figure 4 Uterus - Dilation in a female B6C3F1/N mouse from a chronic study (higher magnification of Figure 3). There is flattened epithelium and eosinophilic material in the uterine lumen. Comment: Dilation of uterine horns (Figure 1, Figure 2, Figure 3, and Figure 4) is commonly observed at necropsy, and frequently these uteri have accumulations of excessive amounts of fluid within the 1 Uterus – Dilation lumen. Uterine dilation is relatively commonly seen in both rats and mice and may be segmental. Luminal dilation may be associated with stromal polyps or occur secondarily to hormonal imbalances from ovarian cysts or to a prolonged estrus state after cessation of the estrus cycle in aged rodents. Administration of progestins, estrogens, and tamoxifen in rats has been associated with uterine dilation. Luminal dilation is normally observed at proestrus and estrus in cycling rodents and should not be diagnosed. Increased serous fluid production is part of the proestrus phase of the cycle judged by the vaginal epithelium (which shows early keratinization covered by a layer of mucified cells) and should not be diagnosed. With uterine dilation, the endometrial lining is usually attenuated or atrophic and the wall of the uterus thinned due to the increasing pressure, but in less severe cases the endometrium can be normal (Figure 2). -
Left Vaginal Obstruction and Complex Left Uterine Horn Communication in a 12 Year Old Female Barry E
Perlman et al. Obstet Gynecol cases Rev 2015, 2:7 ISSN: 2377-9004 Obstetrics and Gynaecology Cases - Reviews Case Report: Open Access Left Vaginal Obstruction and Complex Left Uterine Horn Communication in a 12 Year Old Female Barry E. Perlman*, Amy S. Dhesi and Gerson Weiss Department of Obstetrics, Gynecology and Women’s Health, Rutgers - New Jersey Medical School, Newark, USA *Corresponding author: Barry E. Perlman DO, Department of Obstetrics, Gynecology and Women’s Health, Rutgers - New Jersey Medical School, MSB E-506, 185 South Orange Avenue, Newark, NJ 07101-1709, USA, Tel: 732 233 0997, E-mail: [email protected] Transabdominal pelvic sonogram revealed two prominent uterine Abstract cornua with an endometrial thickness of 3 mm in each horn. The Obstructive Müllerian duct anomalies are an infrequently right cornu measured 11.4 x 2.0 x 3.6 cm and the left cornu measured encountered clinical problem. The use of imaging and surgical 10.4 x 2.8 x 4.1 cm. A 7 cm mass in the endocervical canal, concerning exploration allowed for diagnosis and treatment of symptoms of a for hematocolpos, represented an occlusion extending to the left complex obstructive müllerian anomaly. We present a case of a 12 vagina (Figure 1). year old female with a history of intermittent lower abdominal pain and absent left kidney who was found to have an obstructed left She underwent further imaging with two MRI studies that were vagina and complex left uterine horn communications resulting in mutually inconclusive and inconsistent in regards to her pelvic hematocolpos, hematometra, and endometriosis. -
39Th Annual Residents Paper Day and 32Nd Annual Philip J. Disaia Society Symposium Friday, May 7, 2021
Proudly presents the 39th Annual Residents Paper Day and 32nd Annual Philip J. DiSaia Society Symposium Friday, May 7, 2021 Visiting Professor and Moderator Richard J. Paulson, MD Professor of Obstetrics & Gynecology, Alia Tutor Chair in Reproductive Medicine, Chief of the Division Reproductive Endocrinology and Infertility, and Director of USC Fertility, Keck School of Medicine of USC Table of Contents CME Activity Statement ....................................................................................................................................................... 3 Disclosure Statement ........................................................................................................................................................... 4 Welcomes Our Visiting Professor and Moderator ........................................................................................................... 5 Previous Annual Residents Paper Day Visiting Professors and Moderators .................................................... 6 Acknowledgements .............................................................................................................................................................. 7 Agenda ................................................................................................................................................................................... 8 Junior Residents ...............................................................................................................................................8 -
Female Reproductive System & Regulation of Ovarian Function
1 ONPRC Module 1B: Female Reproductive System & Regulation of Ovarian Function Guiding Question: How does the female reproductive system work? Module Question Laboratory Questions • How does a scientist obtain ovaries for a study? What are the important • How do researchers look at follicle morphology? parts of the female • How does female reproductive anatomy differ between reproductive system, mammalian species (mice, humans, monkeys, sheep, and how does the horses, cats, dogs)? • What can female reproductive anatomy tell us about menstrual cycle work? pregnancy in the different species? Learning Outcomes: Identify female reproductive anatomical structures of different species (mice, humans, monkeys, sheep, horses, cats, dogs). Explain the ovarian cycle (process of follicular development, ovulation, corpus luteum formation). Explain the menstrual cycle (changes that occur in the uterus under the influence of ovarian hormones). Define the source and function of hormones involved in the female reproductive system. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. 2 Additional Reproductive Vocabulary Gamete: a haploid sex cell called the oocyte in females and a sperm in males Gametogenesis – one of the two major functions of the follicle in the ovary and the stem cells in the testes and the process by which precursor cells undergo meiotic cell division and differentiation to form the mature haploid gametes. In the ovary the oocyte and in the testes the sperm form as a result of gametogenesis. Zygote: diploid cell formed by the union of sperm and oocyte; the product of fertilization Hormone – a chemical messenger that carries information from one cell to another via the bloodstream. -
1 Ultrasound Monitoring of Embryonic, Follicular, and Uterine
Ultrasound Monitoring of Embryonic, Follicular, and Uterine Dynamics of Early Pregnancy in the Alpaca Sara Brunsden Introduction: The alpaca, Vicuna pacos, is a member of the Camelidae family, along with llamas, guanacos, vicunas, and Bactrian and Dromedary camels. Traditionally found in the altiplano of South America, the popularity of the alpaca has caused it to spread all over the world, including here in the United States. In South America, they are predominantly used for their fleece, while the industry here revolves mainly around breeding. However, relatively little is known about the reproduction of the alpaca. It is the overall goal of this study to discover more about the gestation of the female, specifically the embryonic stage from conception to forty days of pregnancy. Like the rabbit and cat, the alpaca is an induced ovulator, meaning that the act of copulation triggers the female to ovulate. Differing information has been presented on whether alpacas have waves of follicular development similar to other mammalian species. According to studies by Bravo (1991) and Sumar (2000), the follicles grow, mature, and regress in a distinct pattern. However, a study by Donovan (2011) at the University of Massachusetts Amherst did not find a pattern of definitive follicular waves. Alpacas are considered to have a low fertility rate compared to other domesticated mammals, with the highest rate of early embryonic death (EED) occurring within the first month of pregnancy, possibly due to weak maternal fetal tissue associations (Olivera 2003). The rate of EED has been suggested to be as high as 58% (Fernandez-Baca 1970), with 44% occurring before Day 27 (Ratto 2011). -
The Ovarian and Uterine Arteries in the Chinchilla (Chinchilla Lanigera)
Article — Artikel The ovarian and uterine arteries in the chinchilla (Chinchilla lanigera) A Çevik-Demirkana*, V Özdemira and I Demirkanb from the Center for Experimental Medi- ABSTRACT cine, Research and Application, Afyon The purpose of this study was to describe arteries supplying the ovaries and uterus in the chinchilla. Five healthy adult female chinchillas were used. In order to reveal the arterial Kocatepe University, Turkey, were used network by dissecting under a stereoscopic microscope, latex coloured with red ink was in this study. The live body weight of injected through the common carotid artery. The ovaries of the chinchilla are supplied by chinchillas varied between 450 g and the arteriae ovaricae which formed end-to-end anastomoses with the cranial termination of 500 g. The animals were euthanased by 7 the arteria uterina. Soon after leaving the aorta abdominalis, the arteriae ovaricae extended the methods described by Flecknell . 2–3 mm caudolaterally, then released 1 branch and extended caudally and bifurcated into 2 Regulations of the ethical committee further branches. One of these supplied branches to fat tissue. The other branch coursed of Afyon Kocatepe University were fol- caudally and anastomosed with the arteria circumflexa ilium profunda and dispersed into fat lowed. Following euthanasia, 1 m of tissue. The arteria ovarica further subdivided into 2 rami ovaricae. The origins of the uterine heparine sodium (Nevparin, Mustafa arteries were exclusively from the left arteria iliaca externa. The arteria uterina gave a branch Nevzat, Istanbul, Turkey) was imme- to the arteria umbilicalis and consecutive branches which supplied to the ureter, urinary diately injected via the jugular vein to pre- bladder and cranial aspects of the vagina. -
Ovarian Differences Cow Mare
Animal/Dairy Science 434 Female comparative anatomy; History of Reproductive Physiology Ovarian Differences Cow Mare Sow Cow Cow, Sow, Ewe, Human Sow • Cortex on outside • Ovulation can occur on any point of the ovary Preovulatory Tertiary Follicle Mare Blood vessels and connective tissue in medulla • Inversion of the cortex and medulla • Ovulation occurs at the Ovulation Fossa Internal CL Cow Mare Rabbit, Oposum Duplex Mouse 2 Uterine Horns 2 2 Cervixes 1 Vaginas Vagina Uterine and Cervical Differences Cow Sow Mare Cow Bicornuate Sow Ewe Smaller uterine horns 1 Vagina 1 Cervix Large 1 Uterine Body uterine 2 Uterine Horns horns Bicornuate Mare Large uterine body 1 Vagina Smaller uterine horns 1 Cervix 1 Uterine Body 2 Uterine Horns Bicornuate Bitch (Canine) Queen (Feline) 1 Vagina 1 Cervix 1 Uterine Body 2 Uterine Horns Small uterine body Long uterine horns Simplex Woman Large uterine body 1 Vagina No uterine horns 1 Cervix 1 Uterine Body Human Tract Human Tract A 47-year old woman underwent a hysterectomy for excessively heavy menses. She had previously had four normal deliveries. This structure was removed, what is wrong? COW Uterine Body Internal Cervical Os • Cervix is composed of thick connective tissue • Mucus is secreted near the time of Cow has 4-5 breeding and annular rings ovulation. Cervix External Cervical Os Vagina Uterine Body Uterine Body Longitudinal Mare Folds Sow No obstacles Interdigitating pads No fornix vagina Fornix Vagina Vagina Vagina Cervical Folds Cervix FV IP Sow Mare External Genitalia Sow Mare Cow Ewe What -
In the Guinea-Pig
Observations on the loss of catecholamine fluorescence from intrauterine adrenergic nerves during pregnancy in the guinea-pig C. Bell and S. J. Malcolm Department of Physiology, University of Melbourne, Parkville, Victoria 3052, Australia Summary. During unilateral pregnancy in the guinea-pig there is loss of formaldehyde\x=req-\ induced fluorescence from the adrenergic nerves supplying the uterus and its vascula- ture. This loss occurs initially near the site of implantation at about Day 20 of gestation and spreads progressively. Implantation of wax pellets containing progesterone into the uterine lumen or the gastrocnemius muscle of virgin guinea-pigs for 7 days produced loss of fluorescence from all local adrenergic nerves. No diminution of fluorescence was seen when pellets containing oestradiol were substituted. Chronic denervation studies showed that the adrenergic axons supplying the uterus and its arteries originated from both the ovarian artery and the pelvic region. Our results suggest that loss of adrenergic fluorescence within the uterus during pregnancy is due to an effect of placental pro- gesterone which is localized to the uterus because the high concentration of proges- terone necessary to cause fluorescence loss is not attained in the systemic circulation. Introduction In some species there is, during the course of pregnancy, a progressive disappearance of the charac¬ teristic formaldehyde-induced fluorescence normally associated with the adrenergic nerves of the uterus and its arterial supply. There is also a fall in the uterine content of noradrenaline. These declines have been observed in the guinea-pig (Sjöberg, 1968), rabbit (Rosengren & Sjöberg, 1968), man (Nakanishi, McLean, Wood & Burnstock, 1968) and dog (Ryan, Clark & Brody, 1974) and Bell ( 1972) has suggested that they constitute a protective mechanism against feto-placental ischaemia during generalized maternal sympathetic activation. -
Morphological and Histological of Ovary in Domestic Iraqi Sheep Ovis Aries
International Journal of Science and Research (IJSR) ISSN (Online): 2319-7064 Index Copernicus Value (2015): 78.96 | Impact Factor (2015): 6.391 Morphological and Histological of Ovary in Domestic Iraqi Sheep Ovis aries Nadhem A. Shehan1, Dhuha Adel Kareem2, Swsen Abas Ali3 Department of Anatomy and Histology, College of Veterinary Medicine, University of Basra, Iraq Abstract: Present study were carried out on Twenty adult local sheep (ewes).The results were showed that the ovaries of adult sheep are small, oval to almond shaped. They are paired organs located on either side of the uterus within the broad ligament below the uterine (fallopian) tubes, the statistical analysis results revealed no significant differences at level P0.05 between each of the length and width of the ovaries left and right while the thicknesses showed a significant difference between the ovaries.. Histological structure consist of epithelium – surface layer, tunica albuginea, connective tissue covering the entire ovary cortex beneath tunica albuginea, the cortex contains follicles in various stages of development (primordial follicles – contain a single oocyte surrounded by a single layer of granulosa cells most immature follicle found in the ovarian cortex, Primary follicle surrounded by a single layer of granulosa cells, Secondary follicle, contain two or more layers of granulosa cells. Tertiary follicle (n) fluid filled follicle visible on surface of the ovary in most species. Typically have an antrum, which is a fluid filled cavity., growing follicles, vesicular follicles and atretic follicles. The medulla has loose connective tissue and blood vessels. Keywords: Infection; Intestinal parasites; prevalence; Stool; Giardia Lamblia; Riyadh Saudi Arabia 1.