Cavities Flashcards
Frontal belly of occipitofrontalis muscle innervated by
Temporal branch of facial nerve
Occipital belly of occipitofrontalis muscle innervated by
Posterior auricular branch of facial nerve
Superficial infections of the scalp tend to remain superficial because of
the dense aponeurotic layer
Infections in the loose subaponeurotic layer can be transmitted through bony channels by to cranial cavity
emissary and diploic veins
Skull function
Houses brain
Houses sense organs
Attachment for muscles and teeth
Food and air passage
Reid line vs Frankfurt line
Reid- lower margin of orbital and center of EAM
Frankfurt- lower margin of orbital and upper margin of EAM
Bones of the ear
Malleus
Incus
Staples
Parts of frontal bone
Squamous Zygomatic process Frontal eminence Supracilary arch Orbits
superior and inferior temporal lines give attachment of
temporal fascia of the temporalis muscle
Internal structure of parietal bones
Granular pits (faveolae)
Groove for meningeal vessels
Two parietal emissary foramina
Impression of the cerebral gyri of the brain
Markings of occipital bone
*Squamous part Inion External occipital protuberance External occipital crest Three nuchal lines *Basilar part Pharyngeal tubercle
Structures passing through the foramen magnum
Lower part of medulla oblongata with meninges
Tonsil of cerebellum & accessory Nerves (Spinal root).
2 Vertebral A with sympathetic plexus
3 spinal arteries
The only cranial bone forming articulations with the mandible
Temporal bone
Temporal bone parts
Squamous- zygomatic process and mandibular fossa
Tympanic- styloid process and EAM
Petrous- middle and inner ear, middle cranial fossa
Mastoid-muscular attachment
Process of sphenoid
Greater and lesser wings
Pterygoid process
