"Nodule" Quotes from Famous Books
... function, if they have a function, is altogether unknown. Probably, they are inherited from ancestors to whom they were of value. Such structures are called reduced or vestigial structures, and among other instances are the clavicles of the rabbit, the hair on human limbs, the little pulpy nodule in the corner of the human eye, representing the rabbit's third eyelid, and the caudal vertebrae at the end of the human spinal column. In certain lowly reptiles, in the lampreys, and especially in a peculiar New Zealand lizard, the pineal gland has ... — Text Book of Biology, Part 1: Vertebrata • H. G. Wells
... so fond of him, and there was most interesting work to do in making from the dark flint nodules or obsidian fragments—always eagerly seized upon when discovered by the cave people in their wanderings—the spearheads and rude knives and skin scrapers so essential to their needs. The flint nodule was but a small mass of the stone, often somewhat pear-shaped. Though apparently a solid mass, composed of the hardest substance then known, it lay in what might be called a series of flakes about a center, and, in wise hands, these ... — The Story of Ab - A Tale of the Time of the Cave Man • Stanley Waterloo |