useless trivia: What Word Means: Slate With A Curved Cleave?

Questions

Medicine : This branch of medicine deals with old age and its diseases.?

Medicine : This disease consists of a purposeless, continual growth of white blood cells.?

Medicine : This fingerlike projection is attached to the large intestine.?

Medicine : This is known as "The Royal Disease".?

Medicine : This large bean-shaped lymph gland can expand and contract as needed.?