Ovulatory serum estradiol concentrations are most directly related to which of the following? a. Luteal progesterone concentration b. Number of follicles developed c. Ovulatory bleeding d. Size of the corpus luteum e. Size of the dominant follicle
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- Label the early development stages shown in the following diagram.Which of the following does not pertain to the apical germarium?A. contains the primary female germ cells/oogonia which divide mitoticallyB. contains prefollicular tissues which form the follicular epithelium of thevitellariumC. invested in an ovariole sheathD. region of the ovariole where the oocytes undergo vitelogenesisWhat statement best explains the role of progesterone in menstruation?a. Produces corpus luteumb. It prepares the uterus for menstruationc. It is a steroidal hormone that results in some significant endometrial changesd. Initiate this phase by the formation of the corpus luteumWhich of the following is/are NOT a function of progesterone and estrogen:a. Inhibits the production of LH and FSHb. Causes the hypothalamus to release gonadotropin releasing hormonec. Maintains the endometrium for pregnancyd. Causes the follicle to mature into a graafian follicle
- Which statement is FALSE?A. The vas deferens joins the seminal vesicles to form the ejaculatory ductB. The ejaculatory duct penetrates the prostate gland to join the urethra.C. The seminal vesicles secrete alkaline fluid with fructose, enzymes and prostaglandinsD. The alkaline fluid is important to neutralize the acidity of the female reproductive tract.E. The prostate gland secretes citrate which is necessary for lubrication.In the male, what cells produce androgens?a. spermatogoniab. interstitial cellsc. sustentacular cellsd. All of these are correct.Which of the following does not describe the accessory glands of the female reproductive system? TheyA. are saclike expansions of the vaginal region. B. Are muscular and ectodermal in origin.C. usually open at the apical portion of the bursa copulatrix.D. creamy white in color and opens into the genital chamber. Spermatophores are specialized packets held together by glands thatA. play a role in influencing the permeability of the testicular wall.B. are used to transport sperms into the female reproductive tract.C. regulate the release of sperm cells.D. stimulate contraction of the genital ducts. The zone of the testicular follicle where the primary spermatocytes become secondary spermatocytes and spermatids during the first and second meiosisrespectively is the zone ofA. transformation.B. maturation and reduction.C. growth.D. germarium. A hormone which has been shown in some species to have an inhibitory effect on spermatogenesis isA. ecdysone.B. peptide hormone.C. juvenile hormone.D.…
- Which structure contains a primary oocyte, several layers ofgranulosa cells, and an antrum?a. primary follicleb. secondary folliclec. antral follicled. mature follicleWhat statement is not correct relatively to the polycystic ovary syndrome?A. Alopecia is commonB. Polycystic ovary syndrome presents with elevated androgen levelsC. Patients with polycystic ovary syndrome have amenorrheaD. Hirsutism is commonE. Obesity is often foundMatch the description with the term. A. Fallopian tube B. Endometrium c. Infundibulum v Storage site for sperm, hugs the posterior aspect of the testes. D Seminiferous tubules v Site of fetal development and growth vExternal sac, enclosed the testes E. Scrotum v Sperm production occurs within these slender, tightly coiled structures. F. Perimetrium v The portion of the uterus that is lost every month. G. Epididymis H. Uterus I. Prepuce J. Prostate gland
- Development of normal female internal and external genitalia requiresa. Müllerian-inhibiting substance.b. expression of the SRY gene.c. insensitivity to circulating testosterone.d. complete absence of testosterone.e. absence of a Y chromosome.E B A В Identify the structure that secretes the hormone involved in the development of the secondary male sex characteristics and contributes to spermatogenesis. Select one: a. D, which is the Sertoli cell b. A, which is the spermatocyte O c. C, which is the sperm cell O d. B, which is the interstitial cellWhat structure contribute to semen ? (Select all that apply) a. Seminal vesicles b. Prostate gland c. Epidydimis d. Corpus sponginosum e. Seminiferous w