"Cell division" Quotes from Famous Books
 ... feature of horticultural experiment with certain annual plants. Why had it so signally failed with perennial plants and most impressively with trees? Doubtless plants produce in their leaves a hormone which directs certain enzymes that conduct wound repair by cell division. If plants which do not lignify for winter manage to direct successful wound repair after grafting and if plants which do lignify for winter do not conduct successful repair of grafted new growth it occurred to me ...
— Northern Nut Growers Association Report of the Proceedings at the Twenty-Fourth Annual Meeting • Northern Nut Growers Association
... (fig. 49 f, g and 50 and 51). At one of the divisions the double chromosomes separate so that each resulting cell comes to contain some maternal and some paternal chromosomes, i.e. one or the other member of each pair. At the other division each chromosome simply splits as in ordinary cell division. ...
— A Critique of the Theory of Evolution • Thomas Hunt Morgan
... shape with the apex directed towards the epididymis, which is that mass of blood vessels and tissues which one can feel on one side of each testis. Within these lobules the spermatozoa are formed by a complex process of cell division and cell germination upon whose description we need ...
— The Biology, Physiology and Sociology of Reproduction - Also Sexual Hygiene with Special Reference to the Male • Winfield S. Hall |
