Sertoli cells - Study guides, Class notes & Summaries

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...

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 ...

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...

Progesterone estrogen HCG corpus luteum - Answer In a female with a normal hormonal cycle, if fertilisation and implantation do not occur, the levels of (a) .................................................. and (b) .................................................. fall, resulting in loss of the endometrial lining. Upon fertilisation, to prevent the loss of the endometrial lining, the developing offspring secretes large amounts of (c) .................................................... ...

Describe the effects of distal obstructive uropathy on pH, PCo2 and HCO3 correct answers - can cause acute kidney injury via bilateral hydronephrosis - this can increase CK - this volume expansion leads to increase of Renin- angiotension-aldosterone system--> LEADING TO HYPERTENSION -causes problems with acidification of urine--> METABOLIC ACIDOSIS (non anion gap unless uremia) - compensated by respiratory alkalosis and almost normal pH whats normal pCO2 correct answers 33-45 nor...

NBME CBSE ACTUAL TEST QUESTIONS AND ANSWERS 2024(COMPLETE) (Quiz bank with all the correct answers) (USMLE step 1)Medical examination NBME CBSE ACTUAL TEST 2024 62 year old woman - osteoporosis – a bisphosphonate is prescribed. The expected beneficial effect of the drug is due to which of the following? Decreased Osteoclast Activity Cohot Study of elderly women – relative risk ratio for hip fractures among those who exercise regularly is 1.2 (95% confidence interval of 1.1 to ...

What organelle functions with the smooth ER to process, package and transport a variety of synthesized products throughout the cell? A. Ribosome B. the golgi apparatus C. cilia D. mitochondria - correct answer The golgi apparatus Which is the major extracellular structure that provides protective and mechanical support to the outer layers of skin, hair and nails A. fibrillin B. collagen C. keratin D. melatonin - correct answer Keratin Which of the following pairs of term...

3. Gene dosage troubles and failure of testicular formation. When one is not enough! In this section, we will analyze the main known components (genes and loci) of the testis developmental pathway and will stress the fact that almost all steps are dosage-sensitive (Table 1). It is also to note that in most cases, mutations are responsible for a syndromic GD (complete or partial), that is to say, failure of testicular development comes accompanied with multiple abnormalities. This is to ...

Unconscious prioprioception mediated by what correct answers Cerebellum Supination of forearm by what muscle correct answers Biceps brachii Aminoglycosides work synergistically with what antibiotic class? correct answers Penicillins Lesion demonstrating asymmetry, irregular borders, variable coloration, diameter greater than 6mm, rapid evolution and biopsy showing atypical melanocytes spread along the basilar layer of the epidermis correct answers Lentigo maligna a subtype of malignant ...