Bones and Cartilages
O
Inferior Nasal Concha (Turbinate Bone)
There are 2 inferior nasal conchae. Every inferior nasal concha projects downwards from the lateral wall of the nasal cavity. It’s a curved bony plate and presents these features: Medial and lateral surfaces. Superior and inferior edges. Anterior and posterior ends. Medial and Lateral Surfaces The medial
External Occipital Crest
The External occipital crest is part of the external surface of the Squama occipitalis of the occipital bone. Structure External occipital crest travels lengthwise the midline, starting at the external occipital protuberance and going inferiorly towards the foramen magnum which attaches to the nuchal ligament. From the
Palatine Bone
There are two palatine bones. Every palatine bone is lodged between the pterygoid process of sphenoid bone behind and the maxilla in front. 2 palatine bones create the posterior one-third of the hard palate that is why it is called palatine bone. Parts The palatine bone
Occipital Condyle
The rounded occipital condyles are located at each anterolateral border of the foramen magnum. Structure A recession called the condylar fossa enclosing a condylar canal is located posterior towards each condyle and the large hypoglossal canal is located anteriorly and superiorly towards each condyle. A large, uneven
Vomer
It is a thin quadrilateral plate of bone, which creates the posteroinferior part of the nasal septum. Parts The vomer presents these features: 4 edges 2 lateral surfaces Border The 4 border are as follows: Between both diverging alae, the superior border is thick and grooved. The
