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48 Cards in this Set

  • Front
  • Back

What are the separate portions of the lateral ventricles?

1. Anterior horn--- frontal lobe


2. Posterior horn--- occipital lobe


3. Inferior horn--- temporal lobe

What is the suprapineal recess?

1. Posterior expansion of 3rd ventricle

What is the optic recess?

1. Inferior extension of the 3rd ventricle

What is the masa intermedia?

1. Lateral invasion of the 3rd ventricle

How does the 3rd ventricle extend inferiorly?

1. Cerebral aqueduct into 4th ventricle

What marks the superior limit of the 4th ventricle?

1. Cerebellum

What does the corpus callosum connect?

1. Right and left cerebral hemispheres

What are association fibers?

1. Fibers in white matter (deep)


2. Run to different parts of the same cerebral cortex

What is the relationship of the corpus callosum to the lateral ventricles?

1. The corpus callosum arches over the lateral ventricles

What is the septum peelucidum?

1. Separate the two lateral ventricles


2. Attaches to inferior surface of corpus callosum

What is the breadth of the internal capsule?

1. From association fibers inferiorly and medially to the brainstem

Where are the basal ganglia located?

1. On either side of the internal capsule at the level of the brain stem

What is the uncus?

1. Located on the ventral surface of the cerebrum near the optic chiasm

Where is the pineal gland located?

1. Tectum of the midbrain

What is the inter ventricular foramen?

1. Formaen between third ventricle and lateral ventricles along inferolateral border of the septum pellucidum

Where is the caudate nucleus located?

1. Between the lateral ventricle and internal capsule

Where is the thalamus located?

1. Between the 3rd ventricle and the internal capsule

What is the cerebral peduncle?

1. Internal capsule when it reaches the surface of the brain

Into what does the cerebral peduncle extend inferiorly?

1. Basilar pons

What landmark shows the superior limit of the midbrain?

1. Cerebral peduncle

What is the location of the substantial nigra?

1. Immediately superior to the cerebral peduncle

What is the location of the red nuclei?

1. Immediatley superior to the substantial nigra

What forms the cerebellar peduncles?

1. Lateral walls of the 4th ventricle

Where is the superior cerebellar peduncle located?

1. Up the midbrain

What is the location of the middle cerebellar peduncle?

1. Lateral surface of basilar pons

Into what structure does the inferior cerebellar nuclei extend?

1. Medulla

What forms the arbor vitae?

1. Convergence and dorsolateral extension of the cerebellar peduncles

Where are the deep cerebellar nuclei located?

1. Base of the arbor vitae

What is the largest of the deep cerebellar nuclei?

1. Dentate nucleus

What is the most distinctive feature of the medulla oblongata (helpful for identification)?

1. Inferior olive body

What peduncle does the medulla support?

1. Inferior cerebellar peduncle

What peduncle does the pons support?

1. Middle cerebellar peduncle

Where can the corticospinal tract be found in the medulla?

1. Extending from the basilar pons to the pyramids of the medulla

What is the structure of the closed medulla (caudate)?

What are the fibers of the internal arcuate fibers called once they decussate form the gracile and cuneate nuclei?

1. Medial lemniscus

What is the location of the spinal trigeminal nucleus in relationship to the cuneate?

1. Inferolateral

What is the structure of the open medulla?

What is the location of the arcuate nucleus?

1. Covers medial and inferior surfaces of the pyramids

What is the structure of the pons?

What is the orientation of the medial lemniscus in the pons?

1. Horizontal

What is the superior continuation of the medial lemniscus in the pons?

1. Spinothalamic tract

What is the superior continuation of the medial lemniscus?

1. Lateral lemniscus

What axons are located immediately deep to the lateral lemniscus?

1. Superior cerebellar peduncle

What is the location of the superior cerebellar peduncle?

1. Superior midline of the pons


2. Restricted caudal extension of the 3rd ventricle

What is the structure of the midbrain?

What structure dominates the inferior surface of the midbrain?

1. Cerebral peduncles

What surrounds the aqueduct of Sylvius?

1. Periaqueductal gray matter

What structure is found in the same plane as the red nucleus?

1. Superior colliculus