Patrick suffers from a genetic abnormality in which delayed blood clotting causes internal and external bleeding.

The answer is Hemophilia.

Explanation:

Hemophilia is a hereditary disease that is characterized by a defect in blood clotting due to the lack of one of the factors involved in it and manifested by a persistence of bleeding. When the blood does not coagulate properly, excessive bleeding (internal and external) occurs after an injury. Symptoms include several large or deep bruises, inflammation and joint pain, unexplained bleeding and blood in the urine or feces.

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.