Pollen Tube: Structure produced by the tube nucleus in the pollen grain through which the sperm nucleus (or nuclei in angiosperms) proceed to travel through to reach the egg.

 

Related Words

Pollen Tube: Structure produced by the tube nucleus in the pollen grain through which the sperm nucleus (or nuclei in angiosperms) proceed to travel through to reach the egg.

Tube Cooled: A motor in which heat is dissipated by air-to-air heat exchange.

Tube Nucleus: One of the cells in the male gametophyte in seed plants. The tube nucleus grows through the stigma, style, and into the ovule, clearing the way for the sperm nuclei to enter the embryo sac.

Tube (Enclosure): A type of woofer enclosure consisting of a long tube with a woofer at one end, and a port or Passive Radiator at the other. A good low-end reproducer, this design is very compact and general . . . View Full Definition

Tentacle-Tube-Foot Suspension Feeder: Suspension feeder that traps particles on distinct tentacles or tube feet (in echinoderms)

Sonotube: Round, large cardboard tubes designed to hold wet concrete in place until it hardens.

Tube-Within-A-Tube System: A type of body plan in animals. The organism has two openings&emdash;one for food and one for the elimination of waste&emdash;and a specialized digestive system.

Tuberculosis: A chronic infectious disease usually caused by Mycobacterium tuberculosis in humans.

X-Ray Tube: A cathode ray tube that focuses energetic streams of electrons on a metal target, causing the metal to emit x-rays.

YouTube: Feature rich amateur video upload and syndication website owned by Google.