PPT-Sperm Cell Structure Fertilization

Early Development 1 2 3 4 5 6 7 8 9 10 11 12 A B C D E Plasma membrane Outer acrosomal membrane Acrosome Inner acrosomal membrane Nucleus Proximal centriole Rest of the distal . Reproductive Technologies. In vitro fertilization. In vitro fertilization (IVF) is an assisted reproduction technology used when natural fertilization methods are unsuccessful.. IVF is a scientific process where a female egg is fertilized my a male sperm externally in a glass dish.. . Fertilization . – Union of 2 parent cells.. Sperm and egg cells called . gametes. .. Product of egg . +. sperm = fertilized egg = . zygote. .. . Embryo. = early stages of an organism’s development; from first cell division to end of 8. Main Idea: Animals have specialized structures for sexual reproduction.. Gonads-specialized reproductive organs that produce sperm or eggs. Ovaries produce egg cells . Testes produce sperm. Female. Male. Fertilization: This is the process whereby the sperm meets the egg and genetic material (chromosomes) is mixed. ½ + ½ = 1 complete set. Implantation: This is the process whereby an embryo becomes embedded within the uterine lining. LIFE HISTORY PATTERNS:. is a genetically inherited . pattern of . resource . allocation (= investment). . to . that optimizes the passing of genes to the next generation. Different investment. patterns. Salma Zamora. Formation of Sperm. Age. : These . changes occur in boys between the ages of 12 and 16, with a wide variation. Some boys may start even . later, or earlier. . Puberty: It hits guys around 12 years old but Puberty is a process that goes on for several years its different to all.. PUBERTY, DRAWING Puberty. Illustration of the changes observable at puberty in both boys and girls (genitals, weight and height, secondary sex characteristics and other characteristics . developped. specifically due to the secretion of testosterone in boys and estrogen in girls.. (Historical viewpoints). Wak. . Wak. tree. Homunculus . (. latin. : little man). Gametes . – meet the parents . . 2. 0. oocyte . (. oo. = egg . cyt. = cell). sperm. Conception . – beginning of a journey. What is In Vitro Fertilization. IVF is usually used in people with infertility, or with genetic problems. . Mature eggs must be collected as well as mature sperm. . The eggs are fertilized by the sperm in a lab, then they place a few fertilized eggs into a woman’s uterus. . Reproductive Technologies. In vitro fertilization. In vitro fertilization (IVF) is an assisted reproduction technology used when natural fertilization methods are unsuccessful.. IVF is a scientific process where a female egg is fertilized my a male sperm externally in a glass dish.. Ka. mal Kumar Gu. pta. Louise Joy Brown. , the world's first baby to be conceived via in vitro fertilization (IVF). On July 25, 1978, . Louise Joy Brown. , the world’s first baby conceived via in vitro fertilization (IVF) was born at Oldham and District General Hospital in Manchester, England, to parents . Hekmat. El-. Gammal. 2018. Lecture 5. Lecture Objectives. This lecture contains information that should enable you to do the following:. Define fertilization and state its functions and events.. State recognition of egg and sperm.. Developmental Biology UNIT I. Contents. . Fertilization: Definition and types . Events of . Fertilization . in Sea Urchin. Fig. 1 Recognition . of Egg . by . Sperm in Sea Urchin and . Mouse. Sperm contact with egg and . • Identify . fertilization . and its . site. . . • List the . phases . of fertilization. . • Describe the . results . of fertilization. . • Describe the . formation . of . blastocyst. . . • Identify .