a stalk which supports one flower or fruit, whether solitary or one of many ultimate divisions of a common peduncle. see peduncle, and illust. of flower.-a slender support of any special organ, as that of a capsule in mosses, an air vesicle in algae, or a sporangium in ferns.-a slender stem by which certain of the lower animals or their eggs are attached. see illust. of aphis lion.-the ventral part of each side of the neural arch connecting with the centrum of a vertebra.-an outgrowth of the frontal bones, which supports the antlers or horns in deer and allied animals.