Symposis of General Embryology Professor Adel K.AbdelMalek MbChB‚MsC‚MMed‚Ph.D 2013 CONTENTS 1 Intoduction 1 2 Gametogenesis 5 Spermatogenesis 6 Oogenesis 9 3 Female reproductive cycles 12 Ovarian cycle 12 Menstrual cycle 15 4 Fertilization 18 Contraceptive methods 20 Infertility 21 Cloning 23 5 Early embryonic
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Reproduction is the biological process by which new individual organisms – "offspring" – are produced from their "parents". Reproduction is a fundamental feature of all known life; each individual organism exists as the result of reproduction. There are two forms of reproduction: asexual and sexual. In asexual reproduction‚ an organism can reproduce without the involvement of another organism. Asexual reproduction is not limited to single-celled organisms. The cloning of an organism is a form of
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The Work of Art In the Mechanical Age of Reproduction Walter Bejamin (Note: Footnote numbers appear thus: . The notes are at the end of the file.) "Our fine arts were developed‚ their types and uses were established‚ in times very different from the present‚ by men whose power of action upon things was insignificant in comparison with ours. But the amazing growth of our techniques‚ the adaptability and precision they have attained‚ the ideas and habits they are creating‚ make it a certainty that
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A married couple wishes to have a child; however‚ the 32 year old mother knows that she is a carrier for Huntington’s disease (HD). HD is a genetic disorder that begins showing signs at anywhere from 35-45 years of age. Its symptoms begin with slow loss of muscle control and end in loss of speech‚ large muscle spasms‚ disorientation and emotional outbursts. After 15-20 years of symptoms HD ends in death. HD is a dominant disorder which means that her child will have a 50% chance of contracting the
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Anatomy of the Male Reproductive System Scrotum The scrotum is a sac-like organ made of skin and muscles that houses the testes. It is located inferior to the penis in the pubic region. The scrotum is made up of 2 side-by-side pouches with a testis located in each pouch. The smooth muscles that make up the scrotum allow it to regulate the distance between the testes and the rest of the body. When the testes become too warm to support spermatogenesis‚ the scrotum relaxes to move the testes away
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The Period of a Recording Timer Problem What are the period and frequency of a recording timer? Materials recording timer power supply approximately 2 m of ticker tape carbon paper disk stopwatch Procedure 1. Connect the timer to the power supply. 2. Set up the carbon
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Asexual Reproduction in Animals Group 3 Nina Bansil Kenneth Calabia Josef Franz Cruz I. Introduction Asexual reproduction is reproduction which does not involve meiosis‚ ploidy reduction‚ or fertilization. Only one parent is involved in asexual reproduction. A more stringent definition is agamogenesis which refers to reproduction without the fusion of gametes. Asexual reproduction is the primary form of reproduction for single-celled organisms such as the archaea‚ bacteria‚ and protists
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Music Sound Engineering and Production: Revised Concepts Glossary [MULTI-LEVEL] Iain S T Massey abc Acknowledgement Learning and Teaching Scotland gratefully acknowledge this contribution to the National Qualifications support programme for Music. First published 2005 © Learning and Teaching Scotland 2005 This publication may be reproduced in whole or in part for educational purposes by educational establishments in Scotland provided that no profit accrues at any stage. © Learning
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The Cellular Basis of Reproduction and Inheritance Chapter 8 Order Reproduction Growth and development Energy processing Response to the environment Regulation Evolutionary adaptation http://www.youtube.com/watch?v=46Xh7OFkkCE Introduction Cancer cells start out as normal body cells undergo genetic mutations lose the ability to control the tempo of their own division run amok‚ causing disease In a healthy body‚ cell division allows for: growth the replacement of damaged cells development from
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JjohnReal JjohnReal RECORDING DEVICES / TOOLS Recording devices provide various means of organizing the recordings of information about student achievement. 1. 2. Anecdotal Record 3. Checklist 4. Rating Scale 5. Rubrics 6. Learning Log Anecdotal Record A written record kept in a positive tone of a child’s progress based on milestones particular to that child’s social‚ emotional‚ physical‚ aesthetic‚ and cognitive development. * * are objective observations
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