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Spheniod Bone
Dental Anatomy DENT-110
| Term | description |
|---|---|
| Body of the spheniod bone | contains paranasal sinuses and Sphenoidal Sinuses |
| sella turcica | pituitary fossa, containing hypophyseal fossa with pituitary glanc. controls endocrine function |
| Ethmoidal spine | articulates with cribriform plate, forms part of the nasal cavity on the anterior part. |
| Cavernous sinus | on the cranial side, covers each of the lateral surfaces of the body. .Venious sinus with important implications in infection |
| Lesser wing | anterolateral process that forms the orbital apex |
| greater wing | posterolateral process that articulates with the temporal bone via the infratemporal crest. |
| Pterygoid process | site of attachment for muscles of mastication. Consists of Lateral and Medial plates. |
| Infratemporal fossa | lateral to the lateral pteygoid plate |
| pterygoid fossa | lies between lateral and medial pteygoid plates |
| Hamulus | inferior termination of the medial pterygoid plate. |
| Pterygomaxillary fissure | located between the pterygoid process of the sphenoid bone and the maxillary tuberosity of the maxilla |
| Superior Orbital fissure | opthalmic nerve, superior and inferior opthalmic veins, Occulomotor, Trochlear and Abducens CN |
| Optic Canal | optic nerve and opthalmic artery |
| Foramen rotundum | maxillary nerves and blood vessels |
| foramen ovale | mandibular nerves and blood vessels |
| foramen spinosum | middle meningeal artery, middle meningeal vein and meningeal branch of the mandibular nerve |
| foramen lacerum | cartilage |