Category: Science - Biology
In sexually differentiated individuals, the difference of sex is already apparent in the embryonal state of existence, not only in the exterior form, but also in the interior cellular rudiments which subsequently form the genital organs. In both, the earliest forms are of such...
In sexually differentiated individuals, the difference of sex is already apparent in the embryonal state of existence, not only in the exterior form, but also in the interior ce...
2. CHAPTER IIAccording to St. Hilaire, the male sex is more common in the case of scantily nourished (and therefore weakly) animals. Giron de Buzareingues says that the same is sometimes the...
3. CHAPTER IIIWhen, years ago, my attention was first attracted by the idea that, for the solution of our problem, we ought to turn our attention to the sugar in normal urine, no very exact t...