. Elementary text-book of zoology. 344 CHORD AT A. function as vasa deferentia and have a small prostate gland attached to them.* To the front end of the testes are attached a number of 'es (or corpora adi- posa). In the female the ovaries are large dark organs, suspended by dorsal mesenteries near the kidneys. The oviducts are long, coiled, paired tubes running throughout the length of the abdominal cavity. They open behind -into Fig. 242.—Diagram of Arterial System of a Frog. (Ventral view.) Lingual. Dorsal Aorta. Kidney. Carotid Cutaneous. Pulmonary. Trun
. Elementary text-book of zoology. 344 CHORD AT A. function as vasa deferentia and have a small prostate gland attached to them.* To the front end of the testes are attached a number of 'es (or corpora adi- posa). In the female the ovaries are large dark organs, suspended by dorsal mesenteries near the kidneys. The oviducts are long, coiled, paired tubes running throughout the length of the abdominal cavity. They open behind -into Fig. 242.—Diagram of Arterial System of a Frog. (Ventral view.) Lingual. Dorsal Aorta. Kidney. Carotid Cutaneous. Pulmonary. Truncus Arteriosus. Coeliaco- mesenteric. Coeliac. Mesenteric. Renals. Iliacs. the cloaca, in front into the abdominal cavity by separate funnel-shaped apertures just in front of the lungs. Their lower portions are wide and saccular and are sometimes called the uterine portions of the oviduct. The walls of the upper portion are glandular and secrete albumen. The eggs, when ripe, are discharged into the abdominal cavity and pass * In Rana esculenta the prostate gland is absent, but the ureters are swollen for a part of their 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 Masterman, Arthur Thomas. Edinburgh, E. & S. Livingstone
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Keywords: ., bookcentury1900, bookcollectionbiod, bookdecade1900, bookyear1902
