Neuroanatomy Flashcards
What is the function of the frontal cortex
Motor Problem solving Spontaneity Memory Language Judgement Personality Impulse control Social and sexual functions High cognitive function
What is the role of the parietal lobe
Perception
Sensory information
Language
Maths
Role of the temporal lobe
Wernicke’s area
Short erm memory
Emotions
Equilibrium
Role of the occipital lobe
Primary visual and association cortex
Role of nucleus accumbens
Sexual arousal
High experience with drugs
What is the supratentorial dura mater innervated by
Trigeminal nerves (all three)
What is the infratentorial dura mater supplied by
Upper Cervical branches of facial nerve
What cell from the CNS is derived from mesenchymal cells of the bone marrow
Microglial cells
What nerve innervates the tip of the nose
Opthalmic nerve
What structure lies POSTERIOR to the cerebral aqueduct
Tectum
What artery supplies the paracentral lobule of the brain
Anterior cerebral artery
What cranial nerve is linked with the superior salivatory nucleus
Facial Nerve
What cranial nerve is associated with the ciliary ganglion
Oculomotor
Where is the raphe nulceus located
Midbrain
What three arteries supply the optic chiasma
Internal Carotid Artery
Middle Meningeal Artery
Anterior communicating artery
Where are hair cells of the vestibular pathway located
Ampulla of semicircular canals
What structure are hair cell cell bodies in contact with
Basilar Membrane
What is the difference in elasticity in basilar membrane and tectorial membrane
Basilar membrane is LESS elastic than the tectorial membrane
Where is the olfactory cortex located lobe-wise
Temporal lobe
What cells in the olfactory bulb relay signals to the cortex
Tufted and mitral cells
Note: That’s why there is no need for the thalamus
What bone is the foramen spinosum located in:
a) Frontal
b) Occipital
c) Temporal
d) Parietal
e) Sphenoid
Sphenoid bone
Which of the following is not part of the crescent of foramina in the middle cranial fossa
a) Superior Orbital Fissure
b) Foramen Lacerum
c) Foramen Rotundum
d) Foramen Ovale
e) Foramen spinosum
Foramen Lacerum
What nerves innervate the dura mater
Vagus
Glossopharyngeal
Trigeminal
Upper 1st/2nd cervical spinal nerve
What muscle is innervated by the supra scapular nerve
Infraspinatus
Where is the lumbar plexus located
Substance of the psoas major
What artery supplies the inferior temporal gyrus
Posterior cerebral artery
Role of the ligament flavum
Links vertebral bodies together lamina to lamina
How many pedicles do we see per vertebral body
Two
How many cervical vertebrae do we have
Seven
What are the three main distinguishing features of the cervical vertebrae
- Spinous process split into two parts (bifid spinous process)
- Triangular vertebral foramen
- Two transverse foramina
How many thoracic vertebrae do we have
12
What are the three distinguishing features of the thoracic vertebrae
Two demi facets on each side of th body
Costal facets needed to articulate with each rib
Vertebral foramen is circular (triangular in cervical)
What are the largest vertebrae set
Lumbar
How many lumbar vertebrae do we have
5
What is the role of the lumbar vertebrae
Support weight of the upper body
What are four distinguishing features of the lumbar vertebrae
- No transverse foramina
- No costal facets
- No bifid spinous process
- Triangular-shaped vertebral foramina
What is the property of the vertebral body
Cartilaginous
What cartilage are the articular surface of the vertebral body made of
Hyaline Cartilage
At what vertebral level does the spinal cord end at
L1/2
At what vertebral level does the conus medullar is start at
L2
Where does the film terminals end at
S5
What is the role of the psoas minor
It flexes the vertebral column
What structure attaches to the crista galli
Falx cerebri
What structure does the sigmoid sinus continue from
Internal jugular vein
What sinus joins the sigmoid sinus to the cavernous sinus
The petrosal sinus
