Introduction of substances into the body using a needle and syringe.
Injectables,Injectable,Injection
D010636
Phenols
Benzene derivatives that include one or more hydroxyl groups attached to the ring structure.
D006484
Hemorrhoids
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