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- Figure 43.17 Which of the following statements about the menstrual cycle is false? Progesterone levels rise during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. Menstruation occurs just after LH and FSH levels peak. Menstruation occurs after progesterone levels drop. Estrogen levels rise before ovulation, while progesterone levels rise after.Match each structure with its description. ____ testis a. conveys sperm out of body ____ epididymis b. secretes semen components ____ labia majora c. stores sperm ____ urethra d. enclosed by scrotum ____ vagina e. releases oocyte during ovulation ____ ovary f. usual site of fertilization ____ oviduct g. lining of uterus ____ prostate gland h. fat-padded skin folds ____ endometrium i. birth canalMatch each term with the most suitable description. ___epididymis a. conveys oocyte to uterus ___vas deferens b. can be inflated by blood ___vagina c. where sperm mature ___seminal vesicle d. target of vasectomy ___penis e. main contribution to semen ___oviduct f. sheds lining monthly ___uterus g. birth canal
- The photo shows follicles from a cat ovary A) Primordial B) Primary C) Graafian Label the parts of the follicles (oogonium, primary oocyte, secondary oocyte, follicular cell and antrum) PLEASE draw on EACH picture and use arrow to labelDraw and label the following parts: (a) membrane coverings of gonads (b) supporting cells of gonad (c) gametogonia at various stages of maturation (d) blood vessels, nerves, etc. Table 1: Panoramic view of Gonads Testis OvariesIdentify the stages of follicle development in the following images Primordial follicle Primary folice Secondary follicle Mature Graafian follicle
- The left testis of a newborn baby failed to descend into his scrotal sac.For some reason, the condition was not treated, and the testis remainedin that position until after puberty. Select the observation consistentwith the fate of the left testis after puberty.(1) normal testosterone secretion(2) no interstitial cells in the testis(3) no sustentacular cells in the testis(4) no spermatogonia in the testis(5) increased number of interstitial cells(6) normal LH secretiona. 1 b. 1,2,3,4 c. 1,2,3,6 d. 1,4,6 e. 4,6Describe the hormonal interactions and changes that occur during the follicular phase, as well as how it leads to ovulation and changes in the endometrium You can use the picture below as help. Please describe clearly and include the details i dont want a simple answer only.Which of the following will not continue to occur in a male that has had a vasectomy? 1. Mitosis of diploid progenitor cells 2. Sperm production in the seminiferous tubules 3. Sperm ejaculated from the penis during orgasm 4. Normal prostate gland functioning 5. Secretions from the bulbourethral gland ejaculated from the penis during orgasm
- You are completing a summer scholarship in a research laboratory that is looking at developing a new type of contraceptive in people with ovaries. Unfortunately, the previous summer scholarship student wasn’t as competent as you and accidentally mixed up the histological slides of an ovary from a 6-year-old girl and a 25-year-old woman. The lead researcher has asked you to separate and correctly label the slides. Thinking about folliculogenesis throughout the lifetime of a person with ovaries, what microscopic feature(s) (other than size) can you use to distinguish the ovaries of a 6-year-old girl and a 25-year-old woman and why?The given image shows the chicken ovary under 10x magnification. With this image, label the following: Primordial follicle Primary follicle Growing and mature follicles Nucleus of primary oocyte Animal pole Vegetal pole Yolk-deutoplasm Vitelline membrane Corona radiata and Theca folliculi in a growing or mature follicle.Are the spermatozoa of freshly dissected testes functionally mature? justify your answer.