quan·ta·some (kwŏn'tə-sōm') n. One of numerous particles located on the inner lamellar surface of a chloroplast and sometimes considered to be the functional unit of photosynthesis.
quantasome (kwŏn'tə-sōm') Pronunciation Key
One of numerous granules located on the inner lamellar surface of a chloroplast and thought to be involved in the light reactions of photosynthesis.