Documents (66)
| source DB | source ID | text | # proj. | # Ann. | |
|---|---|---|---|---|---|
| GrayAnatomy | 5 | Fertilization consists in the union of the spermatozoön with the mature ovum (Fig. 8). Nothing is kn | 3 | 61 | |
| GrayAnatomy | 2 | THE TERM Embryology, in its widest sense, is applied to the various changes which take place during | 3 | 310 | |
| GrayAnatomy | 7 | In front of the primitive streak two longitudinal ridges, caused by a folding up of the ectoderm, ma | 3 | 132 | |
| GrayAnatomy | 6 | The early segmentation of the human ovum has not yet been observed, but judging from what is known t | 3 | 358 | |
| GrayAnatomy | 4 | The spermatozoa or male germ cells are developed in the testes and are present in enormous numbers i | 3 | 113 | |
| GrayAnatomy | 3 | The ova are developed from the primitive germ cells which are imbedded in the substance of the ovari | 3 | 171 | |
| GrayAnatomy | 9 | Toward the end of the second week transverse segmentation of the paraxial mesoderm begins, and it is | 3 | 40 | |
| GrayAnatomy | 8 | The notochord (Fig. 19) consists of a rod of cells situated on the ventral aspect of the neural tube | 3 | 68 | |
| GrayAnatomy | 14 | In the human embryo described by Peters the mesoderm outside the embryonic disk is split into two la | 3 | 190 | |
| GrayAnatomy | 15 | —It is during this month that the first movements of the fetus are usually observed. The eruption of | 3 | 60 |