PPT-Semen

Transports sperm to female Nourishes sperm Protects sperm Sperm Structure Head acrosome enzymes allow penetration of ova nucleus DNA essential for new organism Middle piece lots of mitochondria. By: Ben Anderchek. University of Guelph. http://www.enchantedlearning.com/school/Canada/flagbig.GIF. http://upload.wikimedia.org/wikipedia/commons/thumb/9/9b/Flag_of_Nepal.svg/1000px-Flag_of_Nepal.svg.png. Implications for . PrEP. . Betsy C. Herold, M.D.. Albert Einstein College of Medicine. Children’s Hospital at . Montefiore. Bronx, New York, USA. Progress in Prevention Research. FDA Approves . Truvada. Introduction . Semen is a white or grey liquid, emitted from the urethra (tube in the penis) on ejaculation. The purpose of semen is purely for reproduction, as a vehicle to carry the spermatozoa (sperm) into the female reproductive tract. . Dr Aruna Saxena. MD(Obs& Gynae),ARTCE (NUS, Singapore). Director ,Lifecare IVF Pvt Ltd. . SEMEN . PREPARATION-Why ?. Washing . removes seminal . plasma (prostaglandins) .Prolonged exposure to seminal plasma inhibits . Introduction. A semen analysis measures the . amount . of semen a man produces and determines the . number. and . quality. of sperm in the semen sample.. A semen analysis is usually one of the first tests done to help determine whether a man has a problem fathering a child (. American Investigative Society of Cold Cases. AISOCC Annual Conference. June, 2016. St. Louis, MO. Mark W Perlin, PhD, MD, PhD. Cybergenetics, Pittsburgh, PA. Cybergenetics © 2003-2016. DNA evidence in context. J. L. Hutchison* and D. M. Bickhart. INTRODUCTION. Sexed-semen is used in the US dairy industry to reduce the chance that a breeding results in an undesirable bull calf.. Usage of sexed-semen has increased since 2007, especially in heifers (virgin cows).. A semen analysis measures the . amount . of semen a man produces and determines the . number. and . quality. of sperm in the semen sample.. A semen analysis is usually one of the first tests done to help determine whether a man has a problem fathering a child (. Characteristics of a good semen extender. Constituents of semen extender. Type of semen extenders (Classification). Semen Extender . Semen Extender or . diluent. is a . chemical medium . used for . preservation. The semen is the normal discharge of the male at time of mating.. It is a suspension of spermatozoa in a fluid medium called seminal plasma.. Spermatozoa originates from the testes, primary sex glands and stored in the . roscopi. c. . e. x. amina. t. i. on. L. i. q. u. efa. c. ti. o. n. V. i. scos. i. t. y. V. o. l. um. e. pH. c. on. ce. n. t. r. ati. o. n. Motility. mo. r. pholog. y. sp. er. m. . aggr. e. gatio. n. Semen is composed from: . Spermatozoa – testes . . S. eminal plasma – accessory glands (. vesicular . glands, . bulbourethral . glands and. prostate . gland) . . In . bulls, the greatest contribution to the fluid volume of semen is from the vesicular glands, with minor contributions from the prostate gland and bulbourethral . Artificial vagina. Electroejaculater. Message method. Breeding bag. From vagina. Digital manipulation. Age When Semen Can Be Collected. Bull . 12 . months. Boar 6 - 8 months. Ram 6 - 9 months. . Dr. Vikas Sachan.