title: [Further studies on the sinus coronarius cordis, vena cordis media and arcus aortae as well as on the ductus (lig.) Botalli in various mammalian hearts].
abstract: This study supplements earlier works on the topography of the mammalian heart. The material comprises the hearts of 25 species, 12 of which have not been examined previously. The general morphology of the hearts is briefly dealt with. V. cava cranialis sinistra is preserved in Phascolomys and Macropus. It is presumably present in all Ruminantia, where it has been reduced to the sinus coronarius cordis in Perissodactyla. A particular emphasis is laid on the fact that the paired A. carotides and Aa. subclaviae originate from a single common stem, truncus brachio-cephalicus, in Rangifer, Ovibos, Cervus axis, Bos banteng, Okapi, the Perissodactyla, and in Dicerorhinus sumatrensis and Viscacia. A common origin of the carotids and the A. subclavia dextra is frequently found in most other groups. The fusion seems occur through wandering of the vessels towards the right - i.e. towards A. subclavia dextra. Separate origins of the 4 beffore-mentioned stems occur rarely and only incompletely. Sinus coronarius is of a typical shape. Most probable V. anonyma is always present.
mesh_terms: D000818:Animals; D001013:Aorta, Thoracic / Q000033:anatomy & histology*; D001188:Artiodactyla; D002162:Camelus; D010872:Caniformia; D002521:Cercopithecus; D002591:Cetacea; D003331:Coronary Vessels / Q000033:anatomy & histology*; D003670:Deer; D004373:Ductus Arteriosus / Q000033:anatomy & histology*; D000882:Haplorhini; D006321:Heart / Q000033:anatomy & histology; D007614:Macropodidae; D008322:Mammals / Q000033:anatomy & histology*; D008394:Marsupialia; D009929:Organ Size; D010527:Perissodactyla; D012377:Rodentia; D046048:Seals, Earless; D012896:Sloths; D013045:Species Specificity; D004490:Xenarthra
vernacular_title: Weitere Untersuchungen uber den Sinus coronarius cordis, die V. cordis media und den Arcus aortae sowie den Ductus (Lig.) Botalli bei einer Anzahl von Säugetierherzen