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Air Sac , air sac Surround , sur·round / səˈround/ • v. [tr.] (usu. be surrounded) be all around (someone or something): the hotel is surrounded by its own gardens| fig. he loves… Acinus , ac·i·nus / ˈasənəs/ • n. (pl. -ni / -ˌnī/ ) Anat. 1. a small saclike cavity in a gland, surrounded by secretory cells. 2. a region of the lung suppli… Measure , meas·ure / ˈmezhər/ • v. [tr.] 1. ascertain the size, amount, or degree of (something) by using an instrument or device marked in standard units or b… Zona Pellucida , vitelline membrane The membrane that surrounds the ovum of animals, from which it has been secreted (e.g. in birds this is the membrane surrounding t… Humidity , Humidity is a measure of the quantity of water vapor in the air. There are different methods for determining this quantity and those methods are refl…
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NEARBY TERMS
katathermometer