. A manual of elementary zoology . Zoology. THE FROG: VISCERA AND VASCULAR SYSTEM 57 Blood Vessels. CU From the truncus arteriosus there arise on each side three arteries, which are for some distance bound together, so that they seem to be a single vessel. The hinder- most of these is the pulmocutaneous arch, the middle the systemic arch, the foremost the carotid arch. After separating, the three arches con- tinue to run out- wards, diverging as they go. The pul- mocutaneous arch divides into the pulmonary artery for the lung and the cutaneous artery for the skin. The carotid arch gives off fo
. A manual of elementary zoology . Zoology. THE FROG: VISCERA AND VASCULAR SYSTEM 57 Blood Vessels. CU From the truncus arteriosus there arise on each side three arteries, which are for some distance bound together, so that they seem to be a single vessel. The hinder- most of these is the pulmocutaneous arch, the middle the systemic arch, the foremost the carotid arch. After separating, the three arches con- tinue to run out- wards, diverging as they go. The pul- mocutaneous arch divides into the pulmonary artery for the lung and the cutaneous artery for the skin. The carotid arch gives off forwards a lin- gual artery to the muscles of the tongue and hyoid, and then becomes the common carotid artery which bears Fig. 30.—A diagram of the arterial system of a round swelling the frog, seen from the ventral side.— due to the fact that From Thomson. it here breaks UD ^r'> Subclavian or brachial; c,common carotid; , . * coeliaco-mesenteric ; cutaneous artery ; intO a number Of hasmorrhoidal ; il., common iliacs ; £., left kidney; small vpscpIs whirVi l-< Ungual artery; A, pulmonary; *-., renal; s., small vGaacio w 1111,11 systemic arch; t., right testis; 71., occipito-verte- reunite. ThisSWel- bral. The right spermatic artery is shown hut not , • ., .. 7 lettered. The posterior mesenteric is not shown. ling is the carotid labyrinth, often inappropriately called the carotid gland. The friction of the blood against the large surface pro- vided by its numerous small vessels is the cause of the. 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 Borradaile, L. A. (Lancelot Alexander), 1872-1945. London : H. Frowde, Hodder & Stoughton
Size: 1145px × 2182px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1920
