PPT-Gametogenesis ( spermatogenesis)

Asslic Reham Saad Kadhum Objectives At the end of lecture u should know about 1 Describe the spermatogenesis and spermiogensis 2 Drawing the important stages in transformation of human spermatid into the spermatozoon . Male Reproductive System. Dr. Hazrat Bilal Malakandi. DPT (IPM&R KMU) MSPT* (KMU). Objectives of the lecture . Physiologic Anatomy of male reproductive system. Spermatogenesis . 2. Dr. Hazrat Bilal Malakandi. By: . Mary Abdel . Messih. AP Biology and Biology H Teacher. 9th Grade Mentor. North Arlington High School. 222 Ridge Road  . North Arlington, NJ 07031. 201-991-6800. Meiosis .    .         . Reproductive System. The circle of Life. zygote. embryo. male embryo. female embryo. male fetus. female fetus. Immature female. Immature male. Mature male. Mature female. Mature sperm. Mature ovum. Birth. Hekmat. El-. Gammal. 2018. Lecture 3. Lecture Objectives. On completion of this lecture, students will be able to:. Define the origin of primordial germ cells. . Understand common path of . gametogenesis. The cell cycle extends from the "birth " of a cell , resulting from cell reproduction , to the time the cell itself divides in two.. . The eukaryotic cell cycle. Mitosis :-. All living cells arise from pre-existing living cells.. promotes protein synthesis, growth Human Anatomy & Physiology: Reproduction; Ziser, 20043voice remains high pitchedsome feminizing traitseg. arrangement of fat deposits characteristic of womenmalfunc DR RAJARSHI ASH M.B.B.S.(CAL); D.O.(EYE) ; M.D . - PGT(2 ND YEAR) DEPARTMENT OF PHYSIOLOGY CALCUTTA NATIONAL MEDICAL COLLEGE PARTS OF MALE REPRODUCTIVE SYSTEM A. Gonads – Two ovoid testes prese and Fertilization Barry Bean for BioS 90 & 95 12 September 2008 Life is short. Especially if you’re a sperm cell! Used with permission of the artist, Patrick Moberg Try to remember… when you WHO Collaborating Center for Research in Human ReproductionClinic for Infertility and Gynecological EndocrinologyClinic for Infertility and Gynecological EndocrinologyUniversity Hospital, Geneva, Swit 10: Fast block to polyspermy- depolarization of egg plasma membrane. - membrane potential goes from -70 mV to +10mV in 2-3 seconds. - lasts for 5 minutes. 11: Slow block to poly System . Lecturer . Dr. Samah A. Jassam BSc MSc PhD . MRSB. Al-Mustansiriya University . Collage of Pharmacy. Role . of the Reproductive System. :. The Function of Female reproductive system . 1- To . Dr. Katalin . Gallatz. THE HUMAN DEVELOPMENT STARTS WITH THE . FERTILIZATION. .. During. . this. . process. . the. . oocyte. and . s. perm. . unite. .. New . organism. , . the. . ZYGOTA. . develops. TWO TYPES:. < SPEMATOGENESIS. < OOGENESIS. Begin from spermatogonia. . Each sperm take 30-60 day. . 300 million sperm product daily . spermatogenesis . Spermatogonia. . – sperm. Spermatocytogenesis. Primary spermatocyte –.