Rostrum

As rostrum ( Latin "trunk", "mouth", "beak") are referred to:

in biology and anatomy tapering or beak-like processes, in particular:

in the case of sturgeon and cartilaginous fish (such as sharks and chimeras ) the extension of the skull, see Sharks # skull and axial skeleton
in reptiles the rostrum parabasale , the reduced parasphenoid
the beak of the birds
in mammals, the bony part of the snout
at Belemnites part of the conical-cylindrical skeleton, see Belemnites # hard parts: rostrum, cuttlebone and Proostrakum
in the case of ammonites the hook-shaped jaw tip, see ammonites # radula, pine and food habits
in trilobites the rostral plate on the head shield
in decapods an appendage (forehead spine) on the back shield, see Carapace # crustaceans
in mites, the prodorsum of the two-part back armor
in bugs and plant lice, the suckers and proboscis
at weevils the trunk

in other contexts:

Ram (ship's beak) on the front (bow) of a warship
the hint of the head or neck in certain statue menhirs
the music event Tribune internationale des compositeurs (English: International Rostrum of Composers )

See also: