Larvae and Postlarvae. Planktonic larval life begins as the female lobster raises her abdomen and vigorously fans the pleopods to which the prelarvae are attached. This fanning breaks the cement attachment to the prelarvae and propels them upwards toward the water surface.
bicipital tuberosity. [bÄ«â²sipÂ·ÉdÂ·Él âtÃ¼bÂ·Éâ²rÃ¤sÂ·ÉdÂ·Ä] (anatomy) An eminence on the anterior inner aspect of the neck of the radius; the tendon of the biceps muscle is inserted here.
ischial tuberosity. Definitions: 1. the rough bony projection at the junction of the lower end of the body of the ischium and its ramus; this is a weight-bearing point in the sitting position; provides attachment for the sacrotuberous ligament and is the site of origin of the hamstring muscles.Synonyms: tuber ischiadicum, tuber of ischium.. the rough bony projection at the junction of the lower end of the body of the ischium and its ramus; this is a weight-bearing point in the sitting position; provides attachment for the sacrotuberous ligament and is the site of origin of the hamstring muscles. Synonyms: tuber ischiadicum, tuber of ischium.