Dr. Shamsheer Abbas

  Seminal vesicles Structure of seminal vesicles Seminal vesicles are the paired glands situated in lower abdomen on either side of Prostate gland behind urinary bladder.  Each seminal vesicle vesicle is a hollow sac of irregular shape and lined by complexly folded mucus membrane. The mucous membrane is formed by pseudostriated columnar epithelium. These epithelial cells are secretary in nature.  The secretion from seminal vesicles is called seminal fluid. Seminal fluid is added to semen via ampulla of vas deferens.  Properties and composition of seminal fluid Properties The seminal fluid is mucoid and viscous in nature. It is neutral or slightly alkaline in reaction. It adds to the bulk of semen as it forms 60% of total semen.  Composition The seminal vesicles secrete several important substances in figure.  Functions of seminal fluid 1. Nutrition to sperms The Fructose and other nutritive substances in seminal fluid are utilized by sperms after being ejac...

  Male Reproductive System Introduction Reproductive system ensures the continuation of the species. The major difference between reproductive system and other system such as urinary system, cardiovascular system, respiratory system, ect. Is that other systems function for the survival of the individual but the representative system ( Producing offspring  ) is not necessary for the survival for individual. Individual can live a long and healthy life without reproductive offspring. However,  continuous of generation depends only on reproductive system.  Four processes excute the function of the reproductive system :  Production of egg and sperm Transport and maintenance of egg and his son Nurturing of developing offspring Secretion of male and female sex hormone. The organs of the reproductive system are divided into two groups namely internal reproductive organs and external genital organs. Gonads are the main organs Which produce the gametes- sparm and egg or o...