PDF-Testis, Seminiferous tubule

1 x2013 Dilation Figure Legend Figure 1 Testis S eminiferous tubule D ilation in a male B6C3F1 mouse from a chronic study These seminiferous tubules are dilated Figure 2 Testis S. 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. Slide #101 . (1096). Testis, rat.. sustentacular. (“. Sertoli. ”) cells. pale nuclei of these cells are visible adjacent to the limiting membrane of the seminiferous tubules. Nuclei of . Sustentacular. Ch 27 The Reproductive System & Related Issues ASSIGNMENT MW Class : Please have this ppt filled in for Monday WF Class : Please have this ppt filled in for Wednesday PowerPoint® Lecture Slides prepared by Jason LaPres. Lone Star College - North Harris. Structures of the Reproductive System. Gonads. : organs that produce gametes and hormones. Ducts: receive and transport gametes. PAN. 201. Adolescence. Puberty . Burst of hormones activate maturation of the gonads: testes. Begins: 9 – 14 yrs of age. Abnormally early = precocious puberty. Delayed = eunuchoidism. General Physical Changes. Testis has volume of 15-25 ml. The testis is ovoid in shape and has . pedunculated. body at superior pole called appendix testis( ruminant of . mullerian. duct) and the epididymis attach to . posterolateral. HISTOLOGICAL STRUCTURE. HISTOLOGICAL STRUCTURE OF TESTIS. Each testis is enclosed in a think connective tissue capsule . called the tunica albuginea,. inner to which is a vascular layer of loose connective tissue called the . 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. Luaibi. By. Testicle. The . testicle.  or . testis . is the male . reproductive gland.  in all . animals, . including humans. It is . homologous.  to the female . ovary. . The functions of the . A.Testisi.Two testes produce spermatozoa and testosteroneB.Site of spermatogenesis is the seminiferous tubule.i.Convoluted and occupy greatest portion of each testicleC.Outer covering of the testicle 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 MALE GENITAL SYSTEM. REVIEW OF MACROSCOPIC STRUCTURE OF TESTIS. REVIEW OF MICROSCOPIC STRUCTURE OF TESTIS. ARRANGEMENTS OF CELLS INSIDE THE SEMINIFEROUS TUBULE. CONTENTS OF COMPARTMENTS WITHIN THE BLOOD-TESTIS BARRIER. General . Semester 2nd. Spermatogenesis. Spermatogenesis: . The process by which stem cells . develops . into  mature spermatozoa. There are three phases:. . Spermatocytogenesis. (Mitosis),. . Meiosis, and . Testis and epididymis.. 2. Vas deferens.. 3. Seminal vesicles.. 4. Prostate.. TESTIS. Formed of:. Note:. The Exocrine part of the parenchyma is . Seminiferous tubules. The Endocrine part of the parenchyma is .