| テキスト |
| GrayAnatomy |
9 |
Toward the end of the second week transverse segmentation of the paraxial mesoderm begins, and it is |
2 |
19 |
表示
|
| GrayAnatomy |
11 |
The yolk-sac (Figs. 22 and 23) is situated on the ventral aspect of the embryo; it is lined by entod |
2 |
36 |
表示
|
| GrayAnatomy |
10 |
The embryo increases rapidly in size, but the circumference of the embryonic disk, or line of meetin |
2 |
39 |
表示
|
| GrayAnatomy |
5 |
Fertilization consists in the union of the spermatozoön with the mature ovum (Fig. 8). Nothing is kn |
2 |
43 |
表示
|
| GrayAnatomy |
8 |
The notochord (Fig. 19) consists of a rod of cells situated on the ventral aspect of the neural tube |
2 |
33 |
表示
|
| GrayAnatomy |
7 |
In front of the primitive streak two longitudinal ridges, caused by a folding up of the ectoderm, ma |
2 |
71 |
表示
|
| GrayAnatomy |
15 |
—It is during this month that the first movements of the fetus are usually observed. The eruption of |
2 |
38 |
表示
|
| GrayAnatomy |
12 |
In reptiles, birds, and many mammals the allantois becomes expanded into a vesicle which projects in |
2 |
460 |
表示
|
| GrayAnatomy |
23 |
(Vertebræ Lumbales).The lumbar vertebræ (Figs. 92 and 93) are the largest segments of the movable pa |
2 |
142 |
表示
|
| GrayAnatomy |
19 |
(Columna Vertebralis; Spinal Column).The vertebral column is a flexuous and flexible column, formed |
2 |
46 |
表示
|
