Exam: TOEFL

Definition: A type of cell in the early stages of development that can become a muscle cell.

Example: During embryonic development, myoblasts play a crucial role in forming muscle tissue.

Definition: Connected to the thick muscular layer of the heart that helps pump blood.

Example: The doctor explained that a myocardial infarction occurs when blood flow to the heart is blocked.

Definition: A condition where the heart muscle becomes inflamed, often leading to chest pain, fatigue, and other symptoms.

Example: The doctor diagnosed him with myocarditis after he complained of severe chest pain.

Definition: The muscular tissue that makes up the heart, responsible for pumping blood throughout the body.

Example: The myocardium is essential for the heart's ability to function properly.

Definition: Relating to sudden, brief muscle jerks or spasms.

Example: The patient experienced myoclonic seizures that caused her body to jerk unexpectedly.

Definition: A sudden, involuntary twitching or jerking of muscles that can happen in various brain disorders.

Example: The patient experienced myoclonus, causing her arms to jerk unexpectedly.

Definition: Relating to the electrical activity produced by muscles, often used in devices that help control prosthetics.

Example: The myoelectric prosthetic arm allows users to control its movements using their muscle signals.

Definition: A threadlike structure in muscle cells that helps them contract and is made of proteins called myosin and actin.

Example: The myofibril is essential for muscle contraction and movement.

Definition: Relating to the myofibrils, which are the basic rod-like units of a muscle cell responsible for contraction.

Example: The myofibrillar structure of the muscle is essential for its ability to contract effectively.

Definition: A very small thread-like structure found in muscle cells, made of proteins called actin and myosin, which help muscles contract and relax.

Example: The myofilament plays a crucial role in muscle contraction.