Sertoli cells Study guides, Class notes & Summaries

Fat Soluble Hormones : Steroids Water Soluble Hormones : Need 2nd Messenger to transport across phospholipid membranes Pituitary Hormones : TSH, GH, ACTH, FSH, LH, Oxytocin, ADH, Melanocyte Stimulating Hormone Anterior Pituitary : Acct for 75% of total weight of pituitary gland. Three regions, pars distalis, parts tuberalis, and pars intermedia. Pars distalis is major component of Anterior Pituitary and source of Anterior Pituitary Hormones. Posterior Pituitary (neurohypophysis) : A...

Strasinger AUBF - Semen (multiple choice); Questions and Answers 100% Verified Maturation of spermatozoa takes place in the: A. Sertoli cells B. Seminiferous tubules C. Epididymis D. Seminal vesicles CORRECT ANSWER-C Enzymes for the coagulation and liquefaction of semen are produced by the: A. Seminal vesicles B. Bulbourethral glands C. Ductus deferens D. Prostate gland CORRECT ANSWER-D

What regulates pituitary gland secretion? - The pituitary gland is directly connected to the hypothalamus. Secretion from the 2 lobes of the pituitary gland is controlled by different methods by the hypothalamus What is a hormone and how does it act? - Hormones are chemical messengers that are responsible for regulation. They are secreted into body fluids, mainly blood. It has specific actions on target tissues, which are any tissue that has specific receptors for that particular hormone. ...

What is different about birds genetic sex? - XX is male XY is female What is different about the genetic sex of fish? - Can be either (XX or XY) depending on species Sometimes determined by temperature Some have the ability to switch What gene does the Y chromosome carry which is important in sex differentiation? - SRY gene Testosterone---->DHT by - enzyme 5 alpha reductase Testosterone---->estradiol by - aromatase enzyme PDG - are stem cells in the gonads What is the ...

2024 CPPS 303 - Reproduction 2 ( Male Reproduction ) Complete Questions & Answers (Solved) 100% Correct 1. Gonads in Males Answer: Testes 2. Function of mature gonads (2) Answer: 1) Produce gametes (gametogenesis) - Males:spermatogenesis = spermatozoa - Females: oogenesis = ova/egg 2) Production of Sex Hormones - Males: testosterone - Females: estrogen/progesterone 3. Aromatase Answer: converts testosterone to estrogen - In males, they have little aromatase - In females, they ha...

APHY 102 FINAL- IVY TECH SUMMER EXAM QUESTIONS AND ANSWERS What regulates pituitary gland secretion? The pituitary gland is directly connected to the hypothalamus. Secretion from the 2 lobes of the pituitary gland is controlled by different methods by the hypothalamus What is a hormone and how does it act? Hormones are chemical messengers that are responsible for regulation. They are secreted into body fluids, mainly blood. It has specific actions on target tissues, which are any tissue ...

Why are the testes outside of the body? Correct Answer sperm require cooler temperatures than found in the body cavity in order to develop properly Let's say you have a male patient and they are sick with a high fever. The cremaster muscle relaxes and pulls down to make sure the testes are far away from the body to maintain an acceptable temperature. Would this be a correct or incorrect process? Correct Answer Correct What is the function of the cremaster muscle? Correct Answer smooth mus...

[WARNING: INVALID] 1. What does this experiment tell us? Choose ALL that apply. A. Both B cells and T cells can produce antibodies. B. Both B cells and T cells have memory functions. C. Both B cells and T cells are required for an antibody response. D. B cells are required for an antibody response in the absence of T cells. E. B cells and T cells are co-localized and produce synergetic effects in bone marrow and thymus. answer: c type: x 2. In 2090, a human population is found th...

Physiology Final Exam SCNM Q3What type of cells produce testosterone? - correct answer Leydig cells ___________ stimulates the release of Leydig cells - correct answer LH Testosterone is converted to estrogen through what enzyme? - correct answer Aromatase (CYP19) GnRH is release from - correct answer hypothalamus GnRH stimulates the release of ______ & ______ - correct answer FSH and LH What syndrome is commonly associated with infertility in male? - correct answer Klinefelter Sy...

seminiferous tubules - Answer-The testes contain ____ ____ sperm are produced The Juxtaglomerular Apparatus is a(n) ___ composed of macula densa which are specialized epithelial cells in the Distal Convoluted Tubule (DCT) - Answer-Endocrine structure If decreased blood pressure is sensed by the Juxtaglomerular (JG) cells, the JG cells release the hormone renin, which activates angiotensin (also hormone). Angiotensin causes vasoconstriction and secretion of aldosterone (mineralocorticoid hor...