Enter your Name:   Enter your E-mail Address:  Define the following terms: 01a. Spermatogenesis 01b. Semen 01c. Secondary sex charactistics 01d. Puberty 01e. Anabolism 01f. Catabolism 02. Identify the structures in the following figures: Match each of the following to the letter which best describes it 03. spermatogonium 04. secondary oocyte 05. Sertoli cell 06. mesoderm cell 07. Leydig cell 08. spermatid 09. trophoblast a. A cell that nourishes and feeds other cells during spermatogenesis b. A cell that will eventually be a part of the placenta in a fetus c. One of the three types of cells formed during the gastrula phase d. A cell that secretes testosterone e. A cell that begins spermatogenesis by undergoing mitosis f. A cell that will not complete meiosis II unless fertilization occurs g. A cell in the testes that has 23 chromosomes 10. When fertilization occurs, do the egg and cell contribute equal amounts of genetic material? 11. When fertilization occurs, do the egg and cell contribute equal amounts of cytoplasm? If not, indicate which contributes more. 12. The amount of FSH and LH are both decreasing in a woman. Has ovulation occurred? 13. Which ovarian hormone dominates the luteal phase of the menstrual cycle? 14. List the following stages of development in the proper order: cleavage, zygote, gastrula, neurula, blastula, morula 15. Which of the stages above are completed while the embryo is outside of the uterus?