ostium An opening, derived from the Latin word for a door or opening. In Porifera, one of the openings through which water is drawn into the body. In Arthropoda, one of the openings in the wall of the heart into the pericardial (blood-filled) Sinus.
The cast of Ostium - 2010 includes: James Varnum
ostium ostia
The tube where the eggs pass after the ostium is called the fallopian tube. It is where fertilization typically occurs, as the egg is transported from the ovary to the uterus through the fallopian tube.
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The Latin words for mouth or opening are os and ostium. Os meaning mouth, mask, bone, opening. Ostium meaning door, mouth, entrance, gate, or exit.
The external orifice of the uterus (or ostium of uterus, or external os) - search that in wikipedia for more info
foris -is , f. [a door]; plur. fores, [folding-doors]. Transf., [any opening, entrance].ianua -ae f. [door; entrance , approach].ostium -i n. [door]; in gen. [entrance]; 'fluminis' , [mouth].
Ostiomeatal complex is correct because this refers to an opening in the sinus (ostium) and not the bone, which the other spelling would indicate.