• Semi-lunar (pocket) valves are found in the blood vessels leaving the heart (pulmonary artery and aorta). They only allow exit of blood from the heart through these vessels following ventricular contractions. Elastic recoil of these arteries and relaxation of the ventricles closes each semi-...
1.(Anatomy) a multilobed highly vascular reddish-brown glandular organ occupying most of the upper right part of the human abdominal cavity immediately below the diaphragm. It secretes bile, stores glycogen, detoxifies certain poisons, and plays an important part in the metabolism of carbohydrates...
Fibroids receiving a significant blood supply from one or both ovarian arteries escape conventional UFE and limit success in such cases. OAE performed either at the time or after a delay has the potential to improve the success rate of embolization. Little has been published however on this ...
Middle ear cavity expansion has occurred in members of all three groups, apparently in association with an essentially 'freely mobile' ossicular morphology and the development of bony tubes for the middle ear arteries. Cavity expansion can occur in different ways, resulting in different subcavity ...
Blood taken from the pericardial cavity gave the same reaction, but that taken from the leg arteries did not. It is assumed that the function of the pericardial organs in the Crustacea consists in liberating, through fine neuropile-like terminations of the nerve fibres, some hormone passing ...
Cancer therapy may raise heart attack and stroke risks by disrupting immune regulation in arteries•Dec. 5, 2024, 12:01 AM ET (News-Medical) immune system, the complex group of defense responses found in humans and other advancedvertebratesthat helps repel disease-causing organisms (pathogens)....
All the information necessary for quantitative analysis of the pulmonary arteries can be obtained with a single scan involving injection of 0.6 to 2.0 cc/kg of contrast agent and radiation exposure of 0.54 to 0.95 rad/s over 5 to 8 seconds....
This acts as a countercurrent heat exchange system, cooling incoming blood in the adjacent arteries. Abnormal dilation of the pampiniform plexus is a medical disorder called varicocele, which can cause pain, discomfort, and reduction in fertility. Seminiferous Tubules Each seminiferous tubule is lined...
Duplex ultrasound evaluation of cavernosal peak systolic velocity and waveform acceleration in the penile flaccid state: clinical significance in the asses... The aim of this paper was to establish if duplex ultrasound parameters obtained for assessment of the patency of cavernosal arteries in the peni...
Placement of an ameroid constrictor in large-conduit pig coronary arteries causes progressive stenosis and distal myocardial ischemia. Blood perfusion in the ischemic region is partly dependent on vasomotor responses to neural and humoral factors distal to the occlusion site. To ascertain the degree of...