Anatomy and Physiology
9th Edition
ISBN: 9781260256000
Author: SALADIN
Publisher: MCG
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Chapter 27.3, Problem 2AYLO
Summary Introduction
To discuss:
The hormonal trigger for the puberty, role of GnRH, FSH, LH, androgens, and androgen-binding protein in male adolescence.
Introduction:
Puberty a physical transition in both the males and females results in immature to mature reproductive system. Puberty transition is utterly by the hormonal influence that includes gonadotropin-releasing hormone (GnRH), follicle-stimulating hormone (FSH), luteinizing hormone (LH), and testosterone.
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Chapter 27 Solutions
Anatomy and Physiology
Ch. 27.1 - Essential characteristics of sexual reproduction;...Ch. 27.1 - Multiple functions of the male and female...Ch. 27.1 - Prob. 3AYLOCh. 27.1 - Prob. 4AYLOCh. 27.1 - Prob. 5AYLOCh. 27.1 - Fates of the mesonephric and paramesonephric ducts...Ch. 27.1 - Structures of the embryonic genital tubercle,...Ch. 27.1 - Prob. 8AYLOCh. 27.2 - Anatomy and functions of the scrotum and spermatic...Ch. 27.2 - Prob. 2AYLO
Ch. 27.2 - Prob. 3AYLOCh. 27.2 - The germinal epithelium of the seminiferous...Ch. 27.2 - The arterial supply and venous drainage of the...Ch. 27.2 - Gross anatomy of the epididymis; the series of...Ch. 27.2 - Three sets of male accessory glands: their...Ch. 27.2 - Prob. 8AYLOCh. 27.2 - Prob. 9AYLOCh. 27.3 - Definitions of puberty and adolescence; the...Ch. 27.3 - Prob. 2AYLOCh. 27.3 - Prob. 3AYLOCh. 27.3 - Prob. 4AYLOCh. 27.3 - Changes in the levels of testosterone, inhibin,...Ch. 27.3 - Prob. 6AYLOCh. 27.4 - Prob. 1AYLOCh. 27.4 - Why meiosis is necessary in sexually reproducing...Ch. 27.4 - Prob. 3AYLOCh. 27.4 - Prob. 4AYLOCh. 27.4 - The origin of primordial germ cells, their...Ch. 27.4 - Prob. 6AYLOCh. 27.4 - Prob. 7AYLOCh. 27.4 - Prob. 8AYLOCh. 27.4 - Prob. 9AYLOCh. 27.4 - Prob. 10AYLOCh. 27.4 - Prob. 11AYLOCh. 27.5 - Blood vessels of the penis and how they function...Ch. 27.5 - Prob. 2AYLOCh. 27.5 - Prob. 3AYLOCh. 27.5 - The mechanism of erection including the roles of...Ch. 27.5 - The physiological state of the male in the plateau...Ch. 27.5 - Prob. 6AYLOCh. 27.5 - Prob. 7AYLOCh. 27 - The ductus deferens develops from the _______.of...Ch. 27 - The protein that clots and causes the stickiness...Ch. 27 - The expulsion of semen occurs when the...Ch. 27 - Prob. 4TYRCh. 27 - The penis is attached to the pubic arch by crura...Ch. 27 - The first hormone secreted at the onset of puberty...Ch. 27 - Prob. 7TYRCh. 27 - Four spermatozoa arise from each a. primordial...Ch. 27 - The point in meiosis at which sister chromatids...Ch. 27 - Blood is forced out of the penile lacunae by...Ch. 27 - Prob. 11TYRCh. 27 - Prob. 12TYRCh. 27 - Prob. 13TYRCh. 27 - Prob. 14TYRCh. 27 - Prob. 15TYRCh. 27 - Prob. 16TYRCh. 27 - Prob. 17TYRCh. 27 - Prob. 18TYRCh. 27 - Erection of the penis occurs when nitric oxide...Ch. 27 - A sperm penetrates the egg by means of enzymes in...Ch. 27 - crypto-Ch. 27 - Prob. 2BYMVCh. 27 - Prob. 3BYMVCh. 27 - Prob. 4BYMVCh. 27 - Prob. 5BYMVCh. 27 - meio-Ch. 27 - Prob. 7BYMVCh. 27 - Prob. 8BYMVCh. 27 - someCh. 27 - Prob. 10BYMVCh. 27 - Testosterone is secreted by the nurse cells of the...Ch. 27 - Prob. 2WWTSCh. 27 - Prob. 3WWTSCh. 27 - Prob. 4WWTSCh. 27 - A high testosterone level makes a fetus develop a...Ch. 27 - Prob. 6WWTSCh. 27 - Prob. 7WWTSCh. 27 - Prob. 8WWTSCh. 27 - Male menopause is the cessation of sperm...Ch. 27 - Prob. 10WWTSCh. 27 - Prob. 1TYCCh. 27 - Prob. 2TYCCh. 27 - Prob. 3TYCCh. 27 - Why is it possible for spermatogonia to be outside...Ch. 27 - A 68-year-old man taking medication for...
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- What role does pituitary gonadotrophins play during follicular and ovulatory phases of menstrual cycle and also explain the shift steroidal secretions.arrow_forwardPredict the effect on the endometrium of maintaining high progesteronelevels in the blood, including periods of time during which estrogennormally increases following menstruationarrow_forwardThe hormonal regulation of the ovarian/menstrual cyclearrow_forward
- which hormone is directly responsible for stimulating spermatogenesis? LH, FSH, testosterone, GnRH, or androgen binding protein.arrow_forwardA male fetus, a male baby less done 1 month old and a 60 year old man of weight 90Kg. Who has the highest concentration of Androgen in his blood and why?arrow_forwardSelect all that help prepare the uterus for labor Unpregulation of oxytocin receptors Increasing calming effect from elevated estrogen level Atrophy of the myometrium Initiation of menstruationarrow_forward
- Give at least nine (9) physiologic actions of estrogenarrow_forwardLuteinizing hormone (LH) and follicle stimulating hormone (FSH) are essential in female reproduction yet their rates of secretion by the anterior pituitary gland are pulsative? Why?arrow_forwardHypogonadism as a condition where the body does not produce enough testosterone. The symptoms of hypogonadism include infertility and a decrease in a secondary sex characteristics. There are two types of hypogonadism. Primary hypogonadism is caused by problems stemming from the testicles, and secondary hypogonadism is caused by problems stemming from the hypothalamus or the pituitary gland. Individuals with hypo gonad is him are often treated with testosterone replacement therapy. Draw or sketch a feedback loop for an individual with Primary Hypogonadism. When constructing a feedback loop: - Clearly label to structures are gonads involved in the feedback loop - Use arrows to indicate which way the signal is headed - Indicate whether the hormone levels are increasing or decreasing. - Include all the hormones involved in the feedback loop. - Don't forget to label whether the feedback loop is positive or negative and which way the feedback signals are headed. Draw or sketch a feedback…arrow_forward
- Difference between asexual and sexualarrow_forwardLuteinizing hormone (LH): Which of the following is correct ? Stimulates testosterone secretion LH surge stimulates ovulation Stimulates gonadotropin-releasing hormone (GnRH) secretionarrow_forwardPart A Which of the following changes is most likely to occur as an immediate result of an injection of LH into a male mammal? an increase in production of testosterone a decrease in production of inhibin O a decrease in production of testosterone an increase in production of GNRH Submit Request Answerarrow_forward
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