Exam: IELTS

Definition: A type of plant with green leaves that are often eaten in salads.

Example: I like to add lettuce to my sandwich for extra crunch.

Definition: A serious illness where the body produces too many white blood cells, affecting the blood and often leading to severe health issues.

Example: The doctor diagnosed him with leucemia after reviewing his blood tests.

Definition: A white powdery substance that is a type of amino acid, used in the body for building proteins and is derived from muscle fibers.

Example: Leucin is important for muscle recovery after exercise.

Definition: A type of essential amino acid that the body needs for growth and maintenance, which is found in many proteins and is important for health.

Example: Leucine is one of the building blocks of protein that helps in muscle recovery after exercise.

Definition: A condition in animals where there is a reduction in pigmentation, leading to a lighter color than usual, but not completely white like in albinism.

Example: The leucism in the bird made its feathers appear mostly white with some darker spots.

Definition: A type of toxin produced by certain bacteria that kills or breaks down white blood cells, which are important for the immune system.

Example: Leucocidin is known to contribute to the virulence of some bacterial infections by destroying the body's white blood cells.

Definition: A cloudy or opaque area in the cornea of the eye that can affect vision.

Example: The doctor diagnosed her with a leucoma, which was causing her blurred vision.

Definition: A medical condition characterized by a white discoloration of the skin or the formation of white patches, often associated with certain diseases.

Example: The patient was diagnosed with leucosis after showing signs of skin pallor.

Definition: A type of cancer that affects the blood and bone marrow, leading to the production of abnormal white blood cells.

Example: The doctor diagnosed her with leukaemia after several tests.

Definition: The process by which leukaemia develops in the body.

Example: Researchers are studying leukaemogenesis to find better treatments for blood cancers.