. A manual of elementary zoology . Zoology. 500 MANUAL OF ELEMENTARY ZOOLOGY arteriosus leads into a long ventral aorta, from the end of which arise four vessels to the branchial From the gill capillaries there arises in each arch an efferent vessel which discharges into a longitudinal suprabranchial. Fig. 380.—Diagrams of the heart and chief arteries of a tadpole.— From Bourne. A, The vessels of a tadpole at the stage when three external gills are present; B, the arrangement when secondary gills are in use ; C, the adult arrangement. , Anterior commissural vessel; , anterior
. A manual of elementary zoology . Zoology. 500 MANUAL OF ELEMENTARY ZOOLOGY arteriosus leads into a long ventral aorta, from the end of which arise four vessels to the branchial From the gill capillaries there arises in each arch an efferent vessel which discharges into a longitudinal suprabranchial. Fig. 380.—Diagrams of the heart and chief arteries of a tadpole.— From Bourne. A, The vessels of a tadpole at the stage when three external gills are present; B, the arrangement when secondary gills are in use ; C, the adult arrangement. , Anterior commissural vessel; , anterior cerebral artery; a/.t afferent branchial arteries ; ao., dorsal aorta ; car., carotid artery ; eg-., carotid gland ; cu., cutaneous artery ; , ductus Botalli; e/., efferent branchial arteries ; /*/., heart; hy., efferent hyoidean artery ; *'., connecting vessel; I., lingual artery ; md., efferent mandibular artery ;, posterior commissural vessel \pLc-, pulmo- cutaneous arch; put., pulmonary artery; systemic arch; rr., truncus arteriosus ; v., ventricle ; , branchial aortic arches. artery. The two suprabranchial arteries join behind to form the dorsal aorta. In front they are continued as the common carotids. In the presence of a single efferent 1 There are traces of similar vessels in the hyoid and mandibular 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: 1695px × 1475px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1920
