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...roove between the atria and the bulbo-venlricular part of the heart is the coronary sulcus/ As the bulbo- ventricular region increases in size, the duplication ...12 mm. (B is based on a reconstruction by Tandler.) X about 38. Cor. sin.. Coronary sinus: P. aid. c, dorsal endocardial cushion; For. on., foramen ovale; Int.

represented in the adult mammal, with its fully established double circulation, by the completely separated aortic and pulmonary trunks, is seen ...rsisting as the Eustachian valve, and the left sinus horn remaining as the coronary sinus, while the left duct

...vena cava is normal, but the Thebesian valve guarding the entrance of the coronary sinus is larger than normal, the opening of the sinus being larger than the ...which passes anterior to the left systemic arterial arch to forma dilated coronary sinus which enters the right auricle. The fused pulmonary veins from the ri

...es/heart7.htm Development of the Heart and Cardiovascular System- Coronary Circulation]

...layer also gives rise to blood islands which form vascular network (future coronary vessels) ...fore Birth)] | [http://embryology.med.unsw.edu.au//Movies/larsen/8-15b.mov Circulation (After Birth)] | [http://embryology.med.unsw.edu.au//Movies/larsen/kidney.m

(b) mitosis of previously formed erythroblasts in general circulation, yolk sac, and chorion of embryos from 3 to 9 mm. in length, An early stage of the developing venous circulation of Squalus acanthias is shown in figure 3 34 A. Only two veins are present,

...ta. The visceral layer of the >us portion receives arterial twigs from the coronary arteries of the rt. Branches. —These are the two coronary arteries, right and left.

...ic, artery and is at first located near the caudal end of the embryo. When circulation is established through contractions of the heart it carries blood from the ...of the vitelline veins and carried to the heart. Thus the vitelline (yolk) circulation is completed (Fig. 160). From this time on, the area vasculosa gradually en

...I alone persist. These constitute the basis on which the adult plan of the circulation is established. Consequently they should be carefully worked out in detail. ...mal ends of the left anterior and posterior cardinals, it thus becomes the coronary vein.

...establish no certain diagnosis of the diseases of the central organ of the circulation. We cannot do better and are called the coronary vessels ( vasa coronaria cordis). The coronary arteries and veins resemble each other in many respects :

...s of somewhat larger size"; so that, although the blood supply through the coronary arteries for a given area of the myocardium is cut off, the heart muscle of ...he heart has not been fully determined), form plexuses in the walls of the coronary vessels, terminating, it would seem, on the muscle-cells of the media (vaso

large trunks, the circulation however continues by collateral vessels, arise first, the coronary arteries of the heart ; next, at a certain distance

...imate relationship with the hepatic tissue before passing into the general circulation of the body. # The coronary, the right and left lateral ligaments, and the attachments to the vena cava

...of the heart and chief blood-vessels, and with the special forms which the circulation presents in the various stages of development, and which are dependent on t ...tions of the Large Vessels. Vitelline Circulation, Allantoic and Placental Circulation===

...s merge into a single cavity. What remains gives rise to the falciform and coronary ligaments of the liver. ...e chamber is the primitive ventricle, separated from the atria by the deep coronary sulcus.

...e phallus, the glans is marked off from the base by a circular groove, the coronary sulcus (Figs. 232 and 235 B). ...oridis of the female. On the anal surface of the phallus, beginning at the coronary sulcus, the primitive urogenital opening closes distally, forming the ureth

...e which is a remnant of the blastocoel, and plays an important part in the circulation in the absence of the heart. It is difficult to understand why this should ...ty by the walls of the main vessels, they are hurried along in the general circulation.

* C.S., coronary sinus ...o the right ventricle. In this specimen it is clear that the course of the circulation is from the right to the left atrium, then first to the left ventricle afte

...quired) lens changes will be considered. The progressive juvenile forms of coronary cataract (cataracta cerulea and viridis) and opacities associated with pres ...ncerning the time of onset of the so-called "presenile” opacities (e.g., coronary and cerulean) , which are somewhat progressive, although they seem to start

splanchnic mesoblast ; but this appears due to the fact that the circulation THE VENOUS CIRCULATION