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Diagram of a wolf skull with key features labelled. In mammals, the rostrum is that part of the cranium located in front of the zygomatic arches, where it holds the teeth, palate, and nasal cavity. [6] Additionally, the corpus callosum of the human brain has a nerve tract known as the rostrum.
Skull diagram of the basal sauropodomorph Massospondylus, showing the main skull openings ... The rostrum (plural: rostra) is the snout region of the skull.
It is situated in the middle of the skull towards the front, in front of the basilar part of the occipital bone. The sphenoid bone is one of the seven bones that articulate to form the orbit . Its shape somewhat resembles that of a butterfly , bat or wasp with its wings extended.
The lateral surfaces of the body are united with the greater wings of the sphenoid and the medial pterygoid plates.. Above the attachment of each greater wing is a broad groove, curved something like the italic letter f; it lodges the internal carotid artery and the cavernous sinus, and is named the carotid sulcus.
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.
Diagram of a general bird pelvic girdle skeleton including the lower vertebral column sections. ... The skull consists of five ... bill, or rostrum is an external ...
Skull and diagram of referred specimen. Shamosuchus reached up to 4 m long and have a rostrum of moderate length. [2] The eye and nasal openings were not raised above the skull as in modern crocodilians, so that the animal would have to raise its head completely out of the water to breathe.
Skeletal diagram. Qianosuchus had a skull around 33 cm (13 inches) long, with an elongated snout. The rostrum formed by the premaxilla is shallow at the front of the skull but deepens posteriorly. Each premaxilla has nine long teeth, and the maxillae bear eighteen teeth each. All the teeth are laterally compressed, curved backwards and serrated ...