Rostrum Anatomy

The teeth along the side margins of the rostrum are not really teeth but rather modified scales. Cephalopod molluscs have hard beak like mouthparts.

Image From Page 110 Of Anatomy Descriptive And Applied

Since the rostrum is typically located about the thorax of an arthropod it is differentiated from the cauda or tail.

Rostrum anatomy. It is made of cartilage and is long and flat. The inferior surface of sphenoid bone presents in the middle line a triangular spine the sphenoidal rostrum which is continuous with the sphenoidal crest on the anterior surface and is received in a deep fissure between the alæ of the vomer. Rostrum the rostrum is what gives the sawfish its common name.

The term rostrum is defined as an organisms beak or a beak like part. It is made of cartilage and is long and flat. This definition incorporates text from a public domain edition.

Among insects the rostrum is the name for the piercing mouthparts of the order hemiptera. Invertebrates in crustaceans the rostrum is the forward extension of the carapace in front of the eyes. A rostrum latin for beak is an anatomical structure resembling a birds beak such as the snout of a crocodile or dolphin or the foremost extension of a crustaceans carapace.

This definition incorporates text from the wikipedia website wikipedia. The rostrum is the part of the corpus callosum that projects posteriorly and inferiorly from the anteriormost genu. Gastropod molluscs have a rostrum or proboscis.

Sphenoidal rostrum rostrum sphenoidale. A rostrum is found in both cetaceans and crustaceans.

Rostrum Anatomy Wikipedia