Exam: Cambridge English: C1 Advanced (CAE)

Definition: Relating to a specific type of chemical reaction that involves the rearrangement of electrons in a cyclic manner, often occurring in organic chemistry.

Example: The pericyclic reaction is an important concept in understanding molecular transformations.

Definition: The main part of a nerve cell that contains the nucleus and other important parts for the cell's function.

Example: The perikaryon is essential for the health and maintenance of the neuron.

Definition: A situation or thing that puts someone or something at risk of harm or loss.

Example: The hikers were in peril when the storm hit suddenly.

Definition: To put someone or something in a situation where they might be harmed or face danger.

Example: The storm could peril the small fishing boats at sea.

Definition: Full of danger or risk; something that can cause harm or injury.

Example: Climbing that mountain without proper gear is a perilous adventure.

Definition: In a way that involves a lot of danger or risk.

Example: The climbers moved perilously close to the edge of the cliff.

Definition: The state of being dangerous or risky, often involving a threat to safety or well-being.

Example: The perilousness of climbing without proper gear can lead to serious accidents.

Definition: A type of fluid found in the inner ear, located between the bony and membranous structures.

Example: The perilymph helps transmit sound vibrations to the inner ear.

Definition: Relating to the time period before menopause when a woman's body begins to transition and experience changes in hormone levels.

Example: Many women experience various symptoms during their perimenopausal phase, such as hot flashes and mood swings.

Definition: A medical doctor who specializes in the care of pregnant women and their unborn babies, particularly those at high risk.

Example: The perinatologist monitored the health of the mother and fetus throughout the pregnancy.

Definition: A layer of connective tissue that surrounds a group of nerve fibers, providing support and protection.

Example: The perineurium plays a crucial role in maintaining the health of nerve fibers.