Most varicose and spider veins appear in the legs due to the pressure of body weight, force of gravity, and task of carrying blood from the bottom of the body up to the heart. Compared with other veins in the body, leg veins have the toughest job of carrying blood back to the heart. They endure the most pressure.aser treatments last for 15 to 20 minutes. Generally, 2 to 5 treatments are needed to remove spider veins in the legs. Laser therapy usually isnât effective for varicose veins larger than 3 mm (about a tenth of an inch). You can return to normal activity right after treatment.
Sponges are animals of the phylum Porifera (/pÉËrÉªfÉrÉ/ ; meaning pore bearer). They are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them, consisting of jelly-like mesohyl sandwiched between two thin layers of cells.ponge biodiversity and morphotypes at the lip of a wall site in 60 feet of water. Included are the yellow tube sponge, Aplysina fistularis, the purple vase sponge, Niphates digitalis, the red encrusting sponge, Spiratrella coccinea, and the gray rope sponge, Callyspongia sp.
(pÅrÄ­f`ÉrÉ) [Lat.,=pore bearer], animal phylum consisting of the organisms commonly called sponges sponge,common name for members of the aquatic animal phylum Porifera, and for the dried, processed skeletons of certain species used to hold water.orifera. (invertebrate zoology). The sponges, a phylum of the animal kingdom characterized by the presence of canal systems and chambers through which water is drawn in and released; tissues and organs are absent.