Category: M

Possessing a large face.  

A condition in which the fingers or toes are of large size and webbed.  

Abnormally large size of the brain, usually accompanied by mental deficiency.  

An increased number of megakaryocytes in the bone marrow; presence of megakaryocytes in the blood.  

Permanent abnormal enlargement of the urinary bladder.  

An oral agent used to induce abortions. It is typically administered for this purpose with misoprostol or methotrexate. The drug was formerly known as RU-486.  

Transverse white lines that appear above the lunula of the fingernails about 5 weeks after exposure to arsenic.  

Tumor composed of retina epithelium and of neuroepithelium.  

An immature cell of the neural tube that may develop into either a nerve or neuroglial cell.  

Abnormal conversion of bone to marrow.