- - anal cushions vascular prominences formed by clusters of normally sacculated veins of the superior rectal venous plexus, fed by arteriovenous anastomoses that cause their engorgement, and which are usually found to lie laterally on the left and antero- and posterolaterally on the right side of the anal canal. SYN: cavernous bodies of anal canal, corpora cavernosa recti, hemorrhoidal cushions, threshold pads of anal canal.- atrioventricular canal cushions a pair of mounds of embryonic connective tissue covered by endothelium, bulging into the embryonic atrioventricular canal; located one dorsally and one ventrally, they grow together and fuse with each other and with the lower edge of the septum primum, dividing the originally single canal into right and left atrioventricular orifices. SYN: endocardial cushions.- endocardial cushions SYN: atrioventricular canal cushions.- c. of epiglottis SYN: epiglottic tubercle.- eustachian c. SYN: torus tubarius.- hemorrhoidal cushions SYN: anal cushions.- levator c. SYN: torus levatorius.- pharyngoesophageal cushions venous plexuses on the anterior and posterior walls of the pharyngoesophageal junction. SYN: pharyngoesophageal pads.- sucking c. SYN: buccal fat-pad.
* * *cush·ion 'ku̇sh-ən n1) a bodily part resembling a pad2) a medical procedure or drug that eases discomfort without necessarily affecting the basic condition of the patient
* * *cush·ion (kooshґən) a fleshy, padlike anatomical structure.
Medical dictionary. 2011.