Porifera Vocabulary

2. a migratory, ameboid cell found in many invertebrates that functions in excretion, assimilation, etc
4. (Mesenchyme) gelatinous matrix within a sponge
7. one of the small, hard, calcareous or siliceous bodies that serve as the skeletal elements of various marine and freshwater invertebrates
8. tubular cells which make up the pores of a sponge known as ostia
9. a type of sponge having a thick body wall that is folded to form many short canals leading to the spongocoel
10. (Pinacocyte) flat cells found on the outermost layer of a sponge
12. a type of sponge having an oval shape and a thin body wall with pores leading directly into the spongocoel
14. permanently attached; not freely moving

1. an asexually produced mass of cells that is capable of developing into an animal, as a freshwater sponge
3. a flagellated cell with a collar of protoplasm at the base of the flagellum, numbers of which line the internal chambers of sponges
5. a type of sponge having a thick body wall with a highly branched canal system leading into the spongocoel
6. a small mouthlike aperture, as of a sponge
11. a scleroprotein occurring in the form of fibers that form the skeleton of certain sponges
13. (singular ostium) a small mouthlike aperture, as of a sponge