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.
Hemorrhoids (US English) or haemorrhoids UK /ËhÉmÉrÉÉªdz/ are vascular structures in the anal canal. In their normal state, they are cushions that help with stool control. They become pathological or piles when swollen or inflamed. At this point the condition is technically known as hemorrhoidal disease. The signs and symptoms of hemorrhoids depend on the type present. Internal hemorrhoids usually present with painless rectal bleeding, while external hemorrhoids may produce few symptoms or if thrombosed significant pain and swelling in the area of the anus.