![]() Sutures are firm and immovable joints but allow for expansion of the skull in a growing animal. Many of the bones of the skull are joined together by fibrous joints called sutures (p 41). The incisive bone is the most rostral and carries the incisor teeth (Fig. The roof of the mouth is called the hard palate and is formed from three bones on the ventral aspect of the skull: the incisive bone or premaxilla, part of the maxilla and the palatine. In the centre of this bone is the cribriform plate – a sieve-like area perforated by numerous foramina through which the olfactory nerves pass from the nasal mucosa to the olfactory bulbs of the brain (see Ch. ![]() At the back of the nasal chamber, forming a boundary between the nasal and cranial cavities, is the ethmoid bone. These are covered in ciliated mucous epithelium (see Ch. Each of the chambers is filled with delicate scrolls of bone called the nasal turbinates or conchae. The nasal chamber is divided lengthways into two by a cartilaginous plate called the nasal septum. ![]() The Sternum (breastbone), Cranium (skull), ilium (hip bone) Pelvis, and Ribs are also. reviews bone classifications with their associated features, functions, and examples.The most rostral part of the skull carries the nasal chamber, the sides of which are formed by the maxilla and the roof by the nasal bone. The classic example of a flat bone is the Scapula (shoulder blade). The patellae (singular = patella) are the only sesamoid bones found in common with every person. Sesamoid bones vary in number and placement from person to person but are typically found in tendons associated with the feet, hands, and knees. The sesamoid bones protect tendons by helping them overcome compressive forces. These bones form in tendons (the sheaths of tissue that connect bones to muscles) where a great deal of pressure is generated in a joint. A sesamoid bone is a small, round bone that, as the name suggests, is shaped like a sesame seed.
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