. A laboratory manual and text-book of embryology. Embryology. 222 UROGENITAL SYSTEM ATo epithelial cords and no tunica albuginea arc developed at this stage, as in the testis. Later, three important changes take place: (i) There is an ingrowth of connec- tive tissue and blood-vessels from the hilus, resulting in the formation of a media- stinum and of septula. (2) Most of the cells derived from the inner epithelial TTubules of mesonefhros (Paroophoron) Uterine Fig. Epithet Cortex â -Section of an ovary from a 65 mm. embryo. X 44 Primordial egg Primordial ovun «^ «â * far 1 ;"/*
. A laboratory manual and text-book of embryology. Embryology. 222 UROGENITAL SYSTEM ATo epithelial cords and no tunica albuginea arc developed at this stage, as in the testis. Later, three important changes take place: (i) There is an ingrowth of connec- tive tissue and blood-vessels from the hilus, resulting in the formation of a media- stinum and of septula. (2) Most of the cells derived from the inner epithelial TTubules of mesonefhros (Paroophoron) Uterine Fig. Epithet Cortex â -Section of an ovary from a 65 mm. embryo. X 44 Primordial egg Primordial ovun «^ «â * far 1 ;"/* 1 Germinal epithelium Tunica albuginea . Pfliiger's egg-tubes Blood-vessel. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Prentiss, Charles William, 1874-1915. Philadelphia, London, W. B. Saunders
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