radial pores
41Ectoproctes — Ectoprocta Ectoproctes …
42algae — algal, adj. /al jee/, n.pl., sing. alga / geuh/. any of numerous groups of chlorophyll containing, mainly aquatic eukaryotic organisms ranging from microscopic single celled forms to multicellular forms 100 ft. (30 m) or more long, distinguished… …
43sea urchin — 1. any echinoderm of the class Echinoidea, having a somewhat globular or discoid form, and a shell composed of many calcareous plates covered with projecting spines. 2. a tall evergreen shrub or small tree, Hakea laurina, of Australia, having… …
44renal system — ▪ anatomy Introduction in humans (human body), organ system that includes the kidneys, where urine is produced, and the ureters, bladder, and urethra for the passage, storage, and voiding of urine. In many respects the human excretory, or… …
45Stelleroidea — Taxobox name = Stelleroidea image width = 250px image caption = Ochre Sea Star on beach at Olympic National Park regnum = Animalia phylum = Echinoderm superclassis = Stelleroidea subdivision ranks = Classes subdivision = Asteroidea Ophiuroidea… …
46List of plant morphology terms — Biologists that study plant morphology use a number of different terms to describe plant organs and parts that can be observed with the human eye using no more than a hand held magnifying lens. These terms are used to identify and classify plants …
47bivalve — bivalvular /buy val vyeuh leuhr/, adj. /buy valv /, n. 1. Also called lamellibranch. Zool. any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. adj. 2.… …
48fingerprint — /fing geuhr print /, n. 1. an impression of the markings of the inner surface of the last joint of the thumb or other finger. 2. such an impression made with ink for purposes of identification. 3. any unique or distinctive pattern that presents… …
49Polyp — This article is about the biological structure. For the medical condition, see Polyp (medicine). For the cartoonist, see P J Polyp. Gorgonian polyps in a reef aquarium. A polyp in zoology is one of two forms found in the phylum Cnidaria, the… …
50Vacuum cleaner — Cylinder vacuum cleaner for home use. French train vacuum cleaner …
