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.
External hemorrhoids are located underneath the skin that surrounds the anus (lower in the anus than internal hemorrhoids). They can be felt when they swell, and may cause itching, pain, or bleeding with a bowel movement.ymptoms of Prolapsed Internal Hemorrhoids. Prolapse of an internal hemorrhoid occurs when the internal hemorrhoids swell and extend from their location in the rectum through the anus. In the anal canal, the hemorrhoid is exposed to the trauma of passing stool, particularly hard stools associated with constipation.