A painful linear tear at the margin of the anus. It appears as a crack or slit in the mucous membrane of the anus and is very painful and difficult to heal.
Swollen veins in the lower part of the RECTUM or ANUS. Hemorrhoids can be inside the anus (internal), under the skin around the anus (external), or protruding from inside to outside of the anus. People with hemorrhoids may or may not exhibit symptoms which include bleeding, itching, and pain.
Hemorrhoid
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000772
Anesthesia, Local
A blocking of nerve conduction to a specific area by an injection of an anesthetic agent.
Anesthesia, Infiltration,Local Anesthesia,Neural Therapy of Huneke,Huneke Neural Therapy,Infiltration Anesthesia
D013927
Thrombosis
Formation and development of a thrombus or blood clot in BLOOD VESSELS.