Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 31 for “"Ovum"”.
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Some Mechanical and Horomonal methods of Dilating the Bovine Cervix
… of transferring the fertilized mammalian ovum from one rabbit to another (22). The possibility of increasing productivity of the cow by this means went unchallenged until 1949 when at least two independent investigators succeeded in isolating the fertilized ovum from the living cow (13) …
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Comparison of Murine Epididymal and Seminal Vesicle Proteinase Inhibitors.
… journey to reach their goal of fertilizing the ovum. This journey begins with sperm production in the seminiferous tubules of the testes.
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Organotypic Cultures of Rodent Uterus: Hormonal and Implantation Responses
… by nature than the development of the fertilized ovum and its penetration of the maternal uterus. Organ culture offers the opportunity to study this series of events in progress, as well as to manipulate the environment and observe variations in behavior.
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Structure of uterine mucosa and its bearing on changes in menstruation and pregnancy: Mode of action of foetal structures and opening-up of maternal vessels; Imbedding of human ovum with account of very early specimen; Function of the decidua
The following thesis embodies the results of investigations conducted over a period of aboi.it one year and a half. A great part of the work was carried out in the Royal College of Physicians Laboratory, Edinburgh. The investigations originated in the discovery of a distinct resemblance between the …
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The effects of sperm dose, semen quality, and retrograde sperm blockage on accessory sperm number and embryo quality in the artificially inseminated bovine
… (P > .1), the mean number accessory sperm/ovum was 20 ± 40 (n= 24) and 13 ± 28 (n= 26) for the blocked and control methods, respectively. In Expt. 1, the conventional (control) and blocked system were again compared in a 2x2 factorial using low quality semen at 20 and 40 x 10⁶ sperm/dose. …
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Analyzing the Longevity of Sperm Within the Female Japanese Quail by Assessing Sperm Penetration of the Perivitelline Layer Under Optimal and Suboptimal Conditions.
… up the oviduct have a chance to fertilize the ovum. These sperm cells will bind to the perivitelline layer of the ovum and hydrolyze a hole in the perivitelline layer, where it has the possibility to fertilize the female sex cell. Analyzing the number of penetration points on the perivitelline …
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Effect of high and low dosage of fresh and frozen semen on accessory sperm number, fertility and embryo quality in artificially inseminated cattle
… dosage (20xl06 sperm) on accessory sperm per ovum and 2) Evaluate the relationship between accessory sperm number per embry%vum and fertilization status/embryo quality if accessory sperm number were affected by treatment. In this study semen from four bulls routinely giving a minimum of 700/0 …
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The Regulation of Medically Assisted Procreation in Europe and Related Nations and the Influence of National Identity, Social Cultural, and Demographic Differences
… age restrictions; posthumous conception; sperm, ovum, or embryo donation, surrogacy; and policy on handling donors. Possible associations between national identity, social cultural, and demographic data for each nation and their regulations were explained. The thirty-five nations were treated as …
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When Does Personhood Begin?
… the human embryo’s development from a fertilized ovum, and explains scientific terms that appear in later discussions. Chapter 3 reviews the development of the concepts of personhood and soul throughout history. This chapter examines words in the original biblical language that refer to the soul …
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The Effects of Low Temperature on Survival of Rabbit Ova
… animals like the cow which usually produce one ovum at a time to produce infinitely more is paramount. Such problem as the collection of produce infinitely more is paramount. Such problem as the collection of the ova from the donor with as little upset to the donor as possible are far from …
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Sex Allocation in the Caribbean Coral, <em>Porites astreoides</em> (Lamarck)
… on slides for quantification of spermary and ovum area. Results indicate that allocation to female function is positively correlated with colony size and allocation to male function is negatively correlated with colony size. The pattern of sex allocation varying with colony size indicates that …
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Status kemahraman anak hasil in-vitro fertilization melalui rahim orang lain
… hubungan DNA terhadap pemilik sperma dan ovum, sedangkan terhadap ibu yang mengandung dan melahirkan hanya memiliki hubungan mahram dan diqiyaskan terhadap ibu susuan. ENGLISH: The development of technology in medical is very quick and grows fast, for example : development in reproductive …
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Resiko penularan penyakit seksual menular bakterial terhadap bayi sebagai alasan melakukan aborsi perspektif fatwa Majelis Ulama Indonesia dan Undang-Undang no 36 tahun 2009 tentang kesehatan
… menguatkan lagi jika terlah terjadi pembuahan ovum walaupun sebelum waktu peniupan ruh (120 hari), maka aborsi diharamkan, kecuali jika terdapat alasan medis atau alasan lain yang dibenarkan oleh syariat. Dalam Undang-undang ini terdapat kelonggaran terhadap pengaturan aborsi yaitu indikasi …
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Ecology of Lake District ostracoda
… that 5 species, Cvpria ophthalmica, Cvclocypris ovum. Metacvpris cordata. Candona Candida and Cvpridopsis vidua. dominate the community in 71% of the sites containing ostracods, forming eight distinct assemblage groups. No ostracods were found in 13 of the 75 sites, 11 of which were acidic, …
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Freshwater snail diversity in relation to Schistosomiasis in the middle Zambezi basin in Lusaka Province
… Gabbiella kisalensis, Gabbiella sp, Lanistes ovum and Melanoides tuberculata. Linear regression was used to determine the relationship between snail diversity (species richness) and the number of infected children at the schools in close proximity to the water sampling points. There was a …
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Effect of seminal plasma on cryopreservation and function of bovine spermatozoa
… SD and median accessory sperm values per embryo/ovum were 19.2± 36.9 and 2.5 for the control (n = 32); and 23.1 ± 71.6 and 6.5 for the treatment (n = 32). In Experiment 4, mean± SD and median accessory sperm values per embry%vum were 9.2± 16.7 and 1.0 for the control (n = 30); and 14.2± 21.2 and …
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Sperm-egg interaction in birds: assays and mechanisms
… overlying the germinal disc (GD) region of the ovum. However, isolated fragments from the same ova incubated with spermatozoa under the same conditions resulted in an increase in IPVL-holes to numbers comparable to the GD region. Furthermore, when fragments of IPVL with the yolk still attached …
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Determining the Effects of Nerve Growth Factor Supplemented In-vitro Fertilization Media on Bovine Embryo Development
Scientists have developed techniques like ovum pick up (OPU) and follicular ablation as a large source of oocytes for creating IVP bovine embryos. These techniques have allowed for more efficient dissemination of valuable female genetics compared to traditional artificial insemination or embryo …
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Studying early development using droplet single-cell RNA sequencing
… each individual derives from a single fertilised ovum. This process of development is characterised by an increase in cell number and a diversification of the various cell types that are present. Development has been extensively studied not only to understand how cells commit to various lineages, …
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