File:Lockwood1887b plate02.jpg

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Plate II

Fig. 23. Glomerulus of human Wolffian body. Gl, glomerulus ; 7, Wolffian tubule; V, afferent and efferent vessels. 7 Hartnack. 4 Eye p.

Fig. 24. Glomerulus of human Wolffian body, seventh week, showing the commencement of the development of capillaries in the glomerulus, the formation of the parenchyma and the tubules. P, parenchyma; t, tubule; Gi, glomerulus; C, capillaries ; e, epithelium of a commencing tubule. 7 Hartnack. 4 Eye p.

Fig. 25. Glomerulus of human Wolffian body at tenth week, showing vascularity of glomerulus and stroma of Wolffian body. Pr, parenchyma; Gi, glomerulus; WZ, Wolffian tubule. 7 Hartnack. 4 Kye p.

Fig. 26. Sexual eminence of rabbit, ,4, in oil immersion, to show relation of surface epithelium to meshes of stroma. This drawing was from a section close to that shown in fig. 37, p. 48.

Fig. 27. Urogenital ridge of rabbit, beginning of thirteenth day. M, mesentery; GH, germinal epithelium; WZ, Wolffian tubule ; WD, Wolffian duct; AO, aorta. 7 Hartnack. 4 Eye p.

Fig. 28. Human embryo, sexual eminence. GH, germinal epithelium ; CV, cardinal vein; WD, Wolffian duct; Gi, glomerulus. The bulk of the urogenital ridge and its genital eminence consists of mesoblastic cells of various shapes—round, branched, and elongated ; these have not been delineated. 7 Hartnack. 4 Eye p.

Fig. 29. Kidney and hinder part of the Wolffian body of a rabbit of thirteenth day. AB, kidney blastema; U, ureter; LCT, loose tissue, which surrounds kidney blastema ; WD, Wolffian duct; W7;, Wolffian tubules; PC, peritoneal cavity. x 70.

Fig. 30. Rabbit, fourteenth day, to show relation of hinder part of the Wolffian body and genital mass to one another, and to the kidney which has just appeared. GJ, genital mass; AO, aorta; XK, kidney ; HZ, hind limb; M, mesentery. x 25.

Fig. 31. Human embryo, thirty-five days. GW, genital mass ; K, kidney, lower end; AO, aorta; CV, cardinal vein; WZ, Wolffian tubules : ; Gl, glomerulus. x 45.

Fig. 32. Genital mass of rabbit, commencement of fourteenth day, to show stroma of branched anastomosing cells, and large, pale, granular cells in its meshes, 7 Hartnack. 4 Eye p.

Fig. 33. Testicle and epididymis of human embryo, at about the twelfth week of intrauterine life. The section is not quite longitudinal. x 25. SZ, seminal tubules; RT, rete testes; Mesor., mesorchium ; Vas. Def., vasa deferens; VE, vasa efferentia; I7, indifferent tissue ; 7A, tunica albuginea.

Fig. 34. Outermost and front part of the same human Wolffian body as that which has been drawn in fig. 39, p. 61. WD, Wolffian duct; C7, collecting tube; ZZ, tubuli efferentia; GM, genital mass. x 45.

Fig. 35. Human foetus, eight months, to show the cell strings of the mediastinum testes which unite tubules of epididymis to seminiferous tubules. TE, tubules of epididymis; MT, mediastinum testes; ST, seminal tubules; V, blood-vessels. x 45.

Fig. 36. Human testicle showing four vasa aberrantia. T, testicle; Hy, hydatid of Morgagni; VD, vas deferens; Hp, epididymis ; 1, 2, 3, and 4, vasa aberrantia.


Reference

Lockwood CB. Development and transition of the testis, normal and abnormal. (1887) J Anat. 22(1): 38-77. PMID 17231729


Cite this page: Hill, M.A. (2024, April 26) Embryology Lockwood1887b plate02.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Lockwood1887b_plate02.jpg

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