Pictures of Rectum Image

Hemorrhoids a varicose dilatation of a vein of the superior or inferior Hemorrhoids plexus, resulting from a persistent increase in venous pressure.

Hemorrhoids: (A), internal; (B), external; (C), combined; (D), thrombosed.

external h. a varicose dilatation of a vein of the inferior Hemorrhoids plexus, situated distal to the pectinate line and covered with modified anal skin. 

internal h. a varicose dilatation of a vein of the superior Hemorrhoids plexus, originating above the pectinate line, and covered by mucous membrane. 

mixed h. a varicose dilatation of a vein connecting the superior and inferior Hemorrhoids plexuses, forming an external and an internal Hemorrhoids in continuity. 

prolapsed h. an internal Hemorrhoids which has descended below the pectinate line and protruded outside the anal sphincter. 

strangulated h. an internal Hemorrhoids which has been prolapsed sufficiently and for long enough time for its blood supply to become occluded by the constricting action of the anal sphincter. 

thrombosed h. one containing clotted blood.

Hemorrhoids Pictures Home