Rostrum (anatomy)


Rostrum (anatomy)

A rostrum (Latin for "beak") is an anatomical structure resembling a bird's beak, such as the snout of a crocodile or dolphin or the foremost extension of a crustacean's carapace. Since the rostrum is typically located about the thorax of an arthropod, it is differentiated from the "cauda" or tail.

The anterior end of the corpus callosum in the Human brain is continuous with a region called rostrum.


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  • Rostrum — may refer to:* Australian Rostrum, an association of Australian public speaking clubs * Rostrum (anatomy), an anatomical structure resembling a bird s beak * Rostrum (ship), a form of bow on naval ships * Rostrum of corpus callosum, a commissural …   Wikipedia

  • rostrum — Any beak shaped structure. [L. a beak] r. corporis callosi [TA] SYN: r. of corpus callosum. r. of corpus callosum [TA] beak of the corpus callosum, the recurved portion of the corpus callosum passing backward from the genu to the anterior …   Medical dictionary

  • rostrum — n.; pl. rostra (in anatomy) a beaklike projection, such as that on the sphenoid bone. Derivatives: rostral adj …   The new mediacal dictionary

  • Facial suture (trilobite anatomy) — Facial sutures are sutures in the cephalon (head) of most trilobites, along which the exoskeleton splits during molting. Contents 1 Description 1.1 Dorsal sutures …   Wikipedia

  • Decapod anatomy — Antennules Pereiopods …   Wikipedia

  • List of cetaceans — Taxobox name = Cetaceans fossil range = Early Eocene Recent image width = 250px image caption = Bottlenose Dolphin breaching regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Mammalia ordo = Cetacea ordo authority = Brisson,… …   Wikipedia

  • Beak — For other uses, see Beak (disambiguation). Comparison of bird beaks, displaying different shapes adapted to different feeding methods. Not to scale. The beak, bill or rostrum is an external anatomical structure of birds which is used for eating… …   Wikipedia

  • Thylacocephala — Taxobox | name = Thylacocephala fossil range = Early Cambrian Late Cretaceous regnum = Animalia phylum = Arthropoda subphylum = Crustacea? classis = Thylacocephala classis authority = Pinna, Arduini, Pesarini and Teruzzi, 1982The Thylacocephala… …   Wikipedia

  • crustacean — /kru stay sheuhn/, n. 1. any chiefly aquatic arthropod of the class Crustacea, typically having the body covered with a hard shell or crust, including the lobsters, shrimps, crabs, barnacles, and wood lice. adj. 2. belonging or pertaining to the… …   Universalium

  • Dolphin — For other uses, see Dolphin (disambiguation). Bottlenose dolphin breaching in the bow wave of a boat …   Wikipedia


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