. The American journal of anatomy. size and substi-tuted in order to show the relative positions of the organs. X 6. This figurealso shows the great tortuosity of the spermatic artery and by a comparisonwith Fig. 3, illustrates the occurrence of semi-rotation; K., right kidney, in length; /S. A., spermatic artery; A., dorsal aorta; testis, length; U., ureter; rectum; W. M., Wolffian and Miillerian ducts; U. A.,umbilical artery; B., bladder. assumes a more dorsal position. Frequent anastomoses are noticed uponthe capsule, and a small twig at the anterior end of the gla


. The American journal of anatomy. size and substi-tuted in order to show the relative positions of the organs. X 6. This figurealso shows the great tortuosity of the spermatic artery and by a comparisonwith Fig. 3, illustrates the occurrence of semi-rotation; K., right kidney, in length; /S. A., spermatic artery; A., dorsal aorta; testis, length; U., ureter; rectum; W. M., Wolffian and Miillerian ducts; U. A.,umbilical artery; B., bladder. assumes a more dorsal position. Frequent anastomoses are noticed uponthe capsule, and a small twig at the anterior end of the gland anasto-moses with the branch from the spermatic artery which supplies thefuture globus major. Since the blood supply to the epididymis is notshown in any of the drawings, this branch has not been indicated. Eben C. Hil 451 The entrance of the testis into the internal ring occurs between thesizes of one hundred and ninety and two hundred and twenty mm. Theleft gland usually enters the internal ring first, and in Fig. 5 (210 mm.). Fig. 5. A transparent specimen of the right testis of an embryo pig 210mm. in length. The relation of this gland to the other organs was obtainedfrom a fresh tissue specimen of an embryo of the same size. X 6. In thisfigure the left testis is seen to have nearly passed the internal ring, whilethe right sex gland has just entered. K., right kidney; A., dorsal aorta; E.,epididymis; U., ureter; R., rectum; M. D., W. D., Miillerian and WolflBanducts; U. A., umbilical artery; B., bladder; T., testis, 6 mm. in length. only the globus major of the epididymis is apparent. The capsularartery has sent out branches which nearly encircle the sex gland, and 45^ Development and Vascularization of the Testis these encircling arteries have almost completed their growth around thetestis. A certain limited portion lying close to the epididymis is neverencroached upon by these branching arteries. From the spermaticartery before it reaches the testis several branches ar


Size: 1428px × 1751px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, booksubjectanatomy, bookyear1901