Solutional caves or karst caves are the most frequently occurring caves. Such caves form in rock that is soluble; most occur in limestone, but they can also form in other rocks including chalk, dolomite, marble, salt, and gypsum. Rock is dissolved by natural acid in groundwater that seeps through bedding planes, faults, joints, and comparable features.
Right side. The perpendicular plate of the ethmoid bone (vertical plate) is a thin, flattened lamina, polygonal in form, which descends from the under surface of the cribriform plate, and assists in forming the septum of the nose; it is generally deflected a little to one or other side.he surfaces of the plate are smooth, except above, where numerous grooves and canals are seen; these lead from the medial foramina on the cribriform plate and lodge filaments of the olfactory nerves.
3. (Os vomer) - a thin, plow-shaped bone (L., - plowshare). The vertical plate of the vomer bone articulates with the perpendicular plate of the ethmoid bone to form the bony nasal septum. The septum separates the nasal cavity into two halves called nasal fossae.. (Concha nasalis inferior) - one of three bones that project into the nasal cavity from the ethmoid and maxilla bones. The inferior nasal concha is thin and shelf-like in appearance and articulates laterally with the maxilla bone.