O negative is a blood group that neither has the A or B markers nor the Rh factor. In its plasma, it donât has anti-A antibodies and anti-B antibodies. People with O negative blood group can donate their blood to all types of blood groups either A, B, AB, O, their -ve and +ve.
Larynx (Throat) Polyps. Laryngeal polyps (also called throat or vocal cord polyps) are growths on the larynx (voice box). In most cases it is the result of injury to the vocal cords (folds of mucous tissue in the voice box) through overuse of the voice.In the vast majority of cases, they are not cancerous.he most common sites for growth are the nasal passage of the nose, the vocal cords (larynx) and colon (colorectal polyp). The two types unique to women are uterine polyps and cervical polyps. The cause of cervical polyps is not completely understood.
A polyp is an abnormal growth of tissue projecting from a mucous membrane. If it is attached to the surface by a narrow elongated stalk, it is said to be pedunculated. If no stalk is present, it is said to be sessile.Polyps are commonly found in the colon, stomach, nose, sinus(es) , urinary bladder and uterus.They may also occur elsewhere in the body where mucous membranes exist like the cervix, vocal folds, and small intestine.ain article: Familial adenomatous polyposis. Adenomatous polyps, or adenomas, are polyps that grow on the lining of the colon and which carry a high risk of cancer. The adenomatous polyp is considered pre-malignant, i.e., likely to develop into colon cancer.