Term
| Long Tracts in the Brain Stem |
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Definition
Ascending Sensory tracts:
-Post Column Med. lemniscal (Fine touch, vibration)
-Anterolateral System (pain, crude touch)
Descending Motor Tracts:
-Corticospinal (Extremities & trunk)
-Corticobulbar (motor fibers for face)
Descending Sypathetic Pathway |
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Term
| Rostral Reticular Formation |
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Definition
1) Maintain alert and conscious state
2) Regulate attention
3) Regulate sleep wake cycle
4) Contribute to emotional balance |
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Term
| Caudal Reticular Formation |
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Definition
1) Respiration and HR and BP
2) Motor tasks (maintaining posture, locomotion)
3) Abnormal decorticate or decerebrate posturing
4) Coughing, hiccuping, sneezing, yawning, shivering gagging, vomitting, crying, laughing
5) Sphincter control
6) Pain modulation |
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Term
| PICA- Posterior Inferior Cerebellar Artery |
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Definition
Supplies the lateral medulla and inferior cerebellum |
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Term
| AICA - Anterior Inferior Cerebellar Artery |
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Definition
Supplies the lateral, caudal pons and some of cerebellum
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Term
| SCA - Superior Cerebellar Artery |
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Definition
| Supplies the superior cerebellum and some of pons |
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Term
| PCA - Posterior Cerebral Artery |
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Definition
| Supplies the midbrain, thalamus, medialoccipital lobes, inferior-medial temporal lobes |
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