ME 2212 Lecture : IMG 1593 Notes From Class
Document Summary
Name: leydig cells produce which hormone in response to the binding of which hormone on their cell surface receptors? (2 points, testosterone (1 mark, leutenizing hormone (1 mark, where are mitochondria found in a mature spermatozoa? (2 points) Middle piece (midpiece: how long does it take to complete spermatogenesis in the bull? (1 point) 61 days: what are two factors affecting potential fertility in males? (4 points, sperm producing ability/ daily sperm output, spermatozoal viability/ motility/progressive motility, normal sperm morphology/ percentage of morphologically abnormal sperm, number of functionally normal sperm/ genetically normal. 2 marks each for any 2 of the above: what is the name given for the mating behavior presented by receptive females where they are immobile around males? (2 points) Lordosis: what is a pheromone? (4 points) Fornix vagina: what is a refractory period in males? (2 points)
