Exam: GRE (Verbal)

Definition: A condition where the pupil of the eye is abnormally enlarged, often due to a medical issue or the effects of certain drugs.

Example: The doctor noted mydriasis during the eye examination, which could indicate a reaction to medication.

Definition: Relating to or causing the widening of the pupils of the eyes.

Example: The doctor used a mydriatic solution to examine the patient's eyes more closely.

Definition: A type of medication that causes the pupil of the eye to widen, often used during eye exams.

Example: The doctor used a mydriatic to help examine the patient's eyes more closely.

Definition: Relating to a part of the brain called the myelencephalon, which is involved in various functions of the nervous system.

Example: The myelencephalic region plays a crucial role in regulating vital functions such as breathing and heart rate.

Definition: The part of the brain that includes the medulla oblongata, which controls vital functions like breathing and heart rate.

Example: The myelencephalon is crucial for regulating automatic functions in the body.

Definition: A soft, fatty substance that surrounds and protects the nerve fibers in the body, helping to speed up the transmission of electrical signals in the nervous system.

Example: Myelin is essential for the proper functioning of the nervous system, as it allows signals to travel quickly along the nerves.

Definition: Describing nerve fibers that are covered with a protective layer called myelin, which helps in the efficient transmission of electrical signals in the nervous system.

Example: Myelinated fibers transmit signals faster than unmyelinated fibers.

Definition: A white, fatty material that surrounds and protects certain nerve fibers, helping to speed up the transmission of electrical signals in the nervous system.

Example: Myeline is essential for the proper functioning of the nervous system, as it insulates nerve fibers.

Definition: Relating to a substance that forms a protective covering around nerve fibers in the body.

Example: The myelinic sheath helps speed up the transmission of nerve signals.

Definition: A medical condition characterized by inflammation of the spinal cord or bone marrow.

Example: The patient was diagnosed with myelitis after experiencing severe back pain and weakness.

Definition: A type of immature cell found in the bone marrow that develops into a myelocyte, which is involved in the production of blood cells.

Example: The doctor examined the myeloblasts in the patient's bone marrow to assess their blood cell production.