“They define a place set off from the world of the living either by making a temple-like enclosure, by opening a cavity in the ground, or by gathering a dense mass of stone around a constricted area.”

“An axial sinus (a special coelomic cavity for the organ) is lacking in echinoids.”

“The total cavity loss is then the sum of the mirror transmission and the sample absorbance.”

“The quetzals have nowhere to go, so they nest in tree cavities within easy reach of the toucans who feast on quetzal eggs and chicks.”

“Some of the latter are idioblastic and enclose raphides, whereas others are larger and form cavities containing mucilage.”

“Other dental infections, such as cavities and abscessed teeth, may also increase the chances of cardiovascular-related death.”