"Peristome" Natural Recordings by Native Speakers
A peristome is the rim or margin of a flower cup or corolla, especially in a tulip, daffodil, or other similar flowering plant. It is the ring of petals that surrounds the center of the flower.
Peristeria is a genus of flowering plants in the family Orchidaceae. The name "Peristeria" comes from the Greek word "peristera", which means "dove", and refers to the shape of the plant's flowers, which resemble a dove's wings.
Peristerite is a rare mineral that is a member of the feldspar group. It has the chemical composition of NaCaBeAl6Si6O24(OH)2. The name "peristerite" comes from the Greek word "peristera", meaning "stork", due to the mineral's distinctive white and blue coloration, which resembles the plumage of a stork. Peristerite is typically found in pegmatites, which are coarse-grained igneous rocks that form during the final stages of a magma chamber's cooling process. Due to its rarity and unique properties, peristerite is of interest to mineral collectors and researchers.
Peristole refers to the rhythmic contraction and relaxation of muscles in a circular motion, especially in the walls of a blood vessel, such as an artery or vein. It is also known as a muscular contraction, and it plays a crucial role in maintaining blood pressure and circulating blood throughout the body.
A peristyle is a porch or colonnade with columns, typically surrounding a courtyard or garden, especially in ancient Greek or Roman architecture. The term is also used to describe a similar structure in modern architecture that is inspired by ancient styles.
Perisystole refers to the brief period immediately before or after the peak of the pulse, or at the exact moment of ventricular contraction, with theoretic heart sounds. It is the short period of time when the mitral valve is shut and the aortic valve is closed, also known as the "pause" between the ventricles' contraction.