1 educational technology as technological tools and media that assist in the communication of knowledge, and its development and exchange.  educational technology for learning management systems (LMS), such as tools for student and curriculum management, and education management information systems (EMIS)
what is the duration of hemorrhoids Natural recovery time Depending on the type: Some hemorrhoids can disappear within a few days while some more severe ones may last for weeks.
Small internal hemorrhoids may not grow larger if bowel habits or other factors change to lower pressure on the veins in the bowel. Large internal hemorrhoids may bulge from the anus. After bowel movements, you may have to push them back through the anus. At worst, large internal hemorrhoids stick out all the time. In rare cases, hemorrhoids may bulge through the anus and swell. Muscles that control the opening and closing of the anus may cut off a hemorrhoid's blood supply (strangulated hemorrhoid).