Anatomy Topic 3 Case 1 Flashcards
How many bones are there in the skull?
- 22
Which bones make up the calvaria?
- Frontal
- Sphenoid
- Temporal
- Parietal
- Occipital
Which bones make up the viscerocranium?
- Maxilla
- Zygomatic
- Lacrimal
- Ethmoid
- Palatine
- Vomer
Which bones make up the base of the skull?
- Sphenoid
- Temporal
- Occipital
Where is the coronal suture located?
- Between the frontal and parietal bones in the coronal plane
Where is the sagittal suture located?
- Between the two parietal bones in the sagittal plane
Where are the lambdoid sutures located?
- Between the parietal and occipital bones
Identify three sutures that connect the temporal bone with surrounding bones
- Squamous suture
- Sphenosquamous suture
- Occipitomastoid suture
Identify 5components of the anterior cranial fossa
- Frontal crest
- Cribiform plate
- Body of sphenoid
- Lesser wing of sphenoid
- Anterior clinoid processes
Identify 8components of the middle cranial fossa
- Tuberculum sellae
- Hypophyseal fossa
- Dorsum sellae
- Greater wings of sphenoid
- Tegmen tympani
- Foramen rotundum
- Foramen ovale
- Formane spinosum
Identify 6components of the posterior cranial fossa
- Clivus
- Internal acoustic meatus
- Jugular foramen
- Formane magnum
- Internal occipital crest
- Internal occipital protuberance
What structures pass through the cribiform plate?
- Olfactory nerve
What structures pass through the optic canal?
- Optic nerve
- Ophthalmic artery
What structures pass through the superior orbital fissure?
- Ophthalmic nerve
- Oculomotor nerve
- Trochlea nerve
- Abducens nerve
- Superior ophthalmic vein
What structures pass through the foramen rotundum?
- Maxillary nerve
What structures pass through the foramen ovale?
- Mandibular nerve
What structures pass through the foramen spinosum?
- Middle meningeal artery
What structures pass through the carotid canal?
- Internal carotid artery
What structures pass through internal acoustic meatus?
- Facial nerve
- Vestibulocochlear nerve
What structures pass through the jugular foramen?
- Glossopharyngeal nerve
- Vagus nerve
- Accessory nerve
- Internal jugular vein (which is a continuation of the sigmoid sinus)
What structures pass through the hypoglossal canal?
- Hypoglossal nerve
What structures pass through the foramen magnum?
- Spinal cord
- Vertebral arteries
- Accessory nerve
Which structures pass through the stylomastoid foramen?
- Facial nerve
What are fontanelles?
- Unossified gaps between bones of skull