Search results

...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

...ry for the performance of their functions. There could be no question of a circulation of the blood with such a theory. So far as its function was concerned the v ...he artery is the aorta, so that the opening is probably that of one of the coronary arteries, erroneously identified. The figure is very crude and probably bel

...etween the lesser curvature and the developing liver and the falciform and coronary system of peritoneal ligaments attaching the liver to the under surface of ...d the sinusoidal endothelium and from there the cells pass into the foetal circulation.

...rbons and can cause cytotoxicity by tissue hypoxia. Carbon monoxide enters circulation though the respiratory system, binding to haemoglobin to form carboxy-haemo ...mesoderm differentiates to form blood vessels, establishing the placental circulation within the villi. Villi continue to form throughout development increasing

..." The latter is "almost everywhere distributed to the organs of digestion, circulation, respiration, and secretion." "Each ganglion is a distinct center, independ ...ogether in a rete, similar conditions exist elsewhere, and he observed the circulation taking place in the diaphanous anastomosing vessels of the distended bladde

Nothing is known of the development of the coronary arteries. Tandler has noted their beginnings in a 17 mm. embryo (N.T. 65). ...nusoidal system characteristic for the preceding stages. Lewis records the coronary arteries being first recognizable hi rabbits of 14 days and 18 hours.

...essels, and have now to consider the metamorphoses of the foetal organs of circulation to the time of birth. We shall take up, 1, the heart; 2, the arteries; 3, t The left honi of the sinus remains outside the auricle and becomes the coronary sinus of the adult.

...ye since the thirty- fourth hour. Observe the beating of the heart and the circulation of the blood. Can the heartbeat after stopping be renewed by slight heating b) The yolk-sac circulation is well developed at this stage. (Compare with Lillie, Fig. 136.)

...with the other viscera he appears to have overlooked the existence of the coronary vessels, and to have imagined that the nutrition of the heart was effected ...odvessels, from which branches proceed in company with the branches of the coronary arteries and veins, and penetrate the muscular substance of the ventricles.

...with the other viscera he appears to have overlooked the existence of the coronary vessels, and to have imagined that the nutrition of the heart was effected ...odvessels, from which branches proceed in company with the branches of the coronary arteries and veins, and penetrate the muscular substance of the ventricles.

...e tissue with variable amounts of fat. Here are placed the branches of the coronary vessels, nerve trunks and lymphatics. ...essels, lymphatics and nerves. The heart is supplied with blood by the two coronary arteries. The arterial branches enter the myocardium where they form a rich