Silvio Sanchez

3 Questions 2 Answers 0 Followers

Questions related from Silvio Sanchez

What's the yellowish-white point that C. Ersnt Von Baer was seeing in the study of dog's ovaries?

In the discovery of mammalian egg von Baer reported to have seen a yellow fleck inside the follicles; this could correspond to sighting- with the microscopes of that time- to the cumulus o-hutus,...

21 March 2022 6,373 1 View

Who exactly associated for the first time neural inhibition with hiperpolarization in the history of neurophysiology?

I have read that Eccles confirmed experimentally the electric values of inhibition, which resulted to be negative. Someone before him had speculated something similar? Thanks so much.

12 May 2017 410 0 View

What are the mechanisms by which polyploidy i.e. duplication of genetic material produces fertile gametes?

What are the mechanisms by which polyploidy i.e. duplication of genetic material produces fertile gametes? Who has demonstrated that this is precisely the case in the restoration of fertility in...

01 January 1970 1,768 0 View