MEDT200 Lecture Notes - Lecture 9: Conjoined Twins, Secondary Sex Characteristic, Seminal Vesicle

• School: University of Delaware
• Department: Medical Laboratory Sciences
• Course: MEDT200
• Professor: Mc Lane Mary Ann

Document Summary

Carries its nuclear hereditary material in its head region. 300 million sperm cells are released during ejaculation. Only one of these cells can fertilize a single ovum. If more than one egg is present in the fallopian tubes during ejaculation, multiple fertilizations are possible. Result from the fertilization of separate ova by separate sperm cells. Result from the fertilization of a single egg cell by a single sperm. Craniopagus share bones of the cranium. Cephalothoracopagus share a heart and gi tract; non-viable. Produce and release billions of sperm cells throughout the man"s lifetime. Sac of clear fluid in the scrotum. Urethra has an abnormal opening of the urinary meatus. Narrowing of the opening of the foreskin over the glans penis. Bacterial invasion of the urethra and reproductive tract. Inflammation of the genital tract mucosa, caused by infection with gonococci. Infection of skin and genital mucosa, caused by the herpes simplex virus.