Definition: A thin layer of tissue or material that covers or separates different parts of a living organism or other structures.

Example: The cell membrane controls what enters and leaves the cell.

Definition: Having a layer or structure that is similar to a membrane, which is a thin, flexible barrier that separates different areas or substances.

Example: The membraned structure of the cell helps to protect its internal components.

Definition: Describing something that is made of or resembles a thin, flexible layer, often similar to a membrane.

Example: The membranous structure in the cell helps protect its contents.

Definition: Relating to memes, which are ideas or behaviors that spread from person to person, often through imitation.

Example: The memetic theory explains how cultural ideas evolve and spread.

Definition: The study of ideas, behaviors, and styles that spread from person to person within a culture, similar to how genes transmit biological information.

Example: Memetics explores how cultural information spreads and evolves over time.

Definition: The ability to remember information, experiences, or events, or the mental capacity to store and recall them.

Example: She has a great memory for faces and names.

Definition: A yellow crystalline substance used in medicine as a supplement for vitamin K.

Example: Menadione is often prescribed to patients who need additional vitamin K.

Definition: The first time a girl has her menstrual period, which usually happens during her teenage years as she grows up.

Example: Menarche typically occurs between the ages of 9 and 16.

Definition: Relating to the first occurrence of menstruation in a female's life.

Example: The menarcheal stage is an important milestone in a young girl's development.

Definition: A man-made radioactive element that is part of the actinide series, with the atomic number 101.

Example: Mendelevium is used in scientific research due to its radioactive properties.