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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.
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.
A dais for giving speeches is called a rostrum. ... It comes from the Anglo-French deis, meaning "table" or "platform", which comes from Medieval Latin discus, ...
Rostral and caudal: In animals with linear nervous systems, the term rostral (from the Latin rostrum, meaning "beak") is synonymous with anterior and the term caudal (from the Latin cauda, meaning "tail") is synonymous with posterior. Due to humans having an upright posture, however, our nervous system is considered to bend about 90°.
The lower, much thinner part is the rostrum and is connected below with the lamina terminalis, which stretches from the interventricular foramina to the recess at the base of the optic stalk. 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.
The meaning of terms that are used can change depending on whether an organism is bipedal or quadrupedal. Additionally, for some animals such as invertebrates , some terms may not have any meaning at all; for example, an animal that is radially symmetrical will have no anterior surface, but can still have a description that a part is close to ...
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 name derives from the Latin rostrum meaning the bow of a naval vessel. [1] Rostral columns of the modern world include the Columbus Monument at Columbus Circle in New York City, [2] and the paired Saint Petersburg Rostral Columns. [3]