Definition: A protein in the blood that helps with clotting by being changed into another protein called thrombin.

Example: Prothrombin is essential for the blood clotting process.

Definition: A substance that the body can change into a vitamin through normal processes. For example, carotene can be converted into vitamin A.

Example: Carotene is a provitamin that helps the body produce vitamin A.

Definition: This word describes something that is closer to a specific point of reference, such as the center of the body or the point where something attaches.

Example: The proximal end of the bone is closer to the body than the distal end.

Definition: In a way that is closest or nearest to something, especially in terms of position or direction.

Example: The muscles are proximally located to the bones they support.

Definition: Describing something that looks shriveled or wrinkled, similar to the appearance of dried plums.

Example: After soaking in the pool for too long, my fingers became pruney.

Definition: A long-lasting skin condition that causes itchy bumps on the skin, often resulting in inflammation.

Example: The doctor diagnosed her with prurigo after she complained about the persistent itching and bumps on her arms.

Definition: Causing a strong desire to scratch due to intense itching.

Example: The rash was pruritic, making it difficult for her to concentrate on anything else.

Definition: A medical term for severe itching, usually affecting the skin without any visible damage.

Example: The patient complained of pruritus that made it difficult for him to sleep at night.

Definition: A condition where a person believes they are pregnant and shows some symptoms of pregnancy, but there is no actual pregnancy.

Example: The woman experienced pseudocyesis, feeling all the signs of being pregnant despite not actually being so.

Definition: A chemical compound that is used mainly to relieve nasal congestion and sinus pressure.

Example: The doctor recommended a medication containing pseudoephedrine to help with my cold symptoms.