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Rostrum (from Latin rostrum, meaning beak) is a term used in anatomy for several kinds of hard, beak-like structures projecting out from the head or mouth of an animal. Despite some visual similarity, many of these are phylogenetically unrelated structures in widely varying species.
A dais for giving speeches is called a rostrum. ... was revived by antiquarians in the early 19th century with the disyllabic pronunciation. It comes from the ...
Rostrum may refer to: Any kind of a platform for a speaker: dais; pulpit; podium; Rostrum (anatomy), a beak, or anatomical structure resembling a beak, as in the mouthparts of many sucking insects; Rostrum (ship), a form of bow on naval ships; Rostrum Records, an American record label; The Rostrum, the official monthly magazine of the National ...
The beak, bill, or rostrum is an external anatomical structure found mostly in birds, but also in turtles, non-avian dinosaurs and a few mammals. A beak is used for pecking , grasping , and holding (in probing for food, eating , manipulating and carrying objects, killing prey , or fighting), preening , courtship , and feeding young.
The rostrum is named for its resemblance to a bird's beak. The end part of the corpus callosum, towards the cerebellum , is called the splenium. This is the thickest part, and overlaps the tela choroidea of the third ventricle and the midbrain , and ends in a thick, convex, free border.
Where it projects forward beyond the eyes, this projection is called a rostrum. The carapace is calcified to varying degrees in different crustaceans. [1] Zooplankton within the phylum Crustacea also have a carapace. These include Cladocera, ostracods, and isopods, but isopods only have a developed "cephalic shield" carapace covering the head.
The Reduviidae is a large cosmopolitan family of the suborder Heteroptera of the order Hemiptera (true bugs). Among the Hemiptera and together with the Nabidae almost all species are terrestrial ambush predators; most other predatory Hemiptera are aquatic.
The term rostrum, referring to a podium for a speaker is directly derived from the use of the term "Rostra". One stands in front of a Rostrum and one stands upon the Rostra. While, eventually, there were many rostra within the city of Rome and its republic and empire, then, as now, "Rostra" alone refers to a specific structure.