Exam: GRE (Verbal)

Definition: Related to the control of blood vessel size, either causing them to narrow or widen.

Example: The vasomotor response helps regulate blood flow during exercise.

Definition: A hormone produced by the pituitary gland that helps control blood pressure and reduces the amount of urine the body makes.

Example: Doctors may use vasopressin to treat certain conditions related to low blood pressure.

Definition: Relating to or causing the narrowing of blood vessels, which can increase blood pressure.

Example: The doctor prescribed a vasopressor to help stabilize the patient's blood pressure during surgery.

Definition: A substance that increases blood pressure in the body.

Example: The doctor administered a vasopressor to stabilize the patient's blood pressure during surgery.

Definition: A sudden tightening of a blood vessel that decreases blood flow.

Example: The doctor explained that a vasospasm can lead to serious health issues if not treated promptly.

Definition: A small protein made up of a few amino acids, which has effects similar to certain hormones that help control various bodily functions, especially related to water balance and reproduction.

Example: Vasotocin plays a role in regulating water retention in some animals.

Definition: A surgical procedure that involves cutting or opening the vas deferens, which is the tube that carries sperm from the testicles.

Example: The doctor performed a vasotomy to address the patient's fertility issues.

Definition: Connected to the blood vessels and the vagus nerve, often affecting heart rate and blood pressure.

Example: The patient experienced a vasovagal response after standing up too quickly.

Definition: A person who is under the protection of a lord in a feudal system, usually in exchange for loyalty and service.

Example: In medieval times, a vassal would pledge loyalty to a lord in return for land and protection.

Definition: A state of being under the control of a lord or superior, often involving loyalty and service in exchange for protection or land.

Example: In medieval times, many knights lived in vassalage to powerful lords.

Definition: Something that is very large in size, area, or amount.

Example: The ocean is vast and covers most of the Earth's surface.

Definition: A very large area or expanse that seems to have no limits.

Example: The vast of the ocean stretched out before us, endless and beautiful.