Serial transverse sections of the brain stem
Junction of medulla and pons.
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Image #30-2
Serial transverse sections of the brain stem
Junction of medulla and pons.
This section cuts across the mid-portion of the fourth ventricle and the nodulus at a level 3.5 mm. higher than the previous section. The cerebellar nuclei are prominent and the beginnings of the brachium conjunctivum (15) visible. The restiform bodies are extending upwards into the cerebellum and fibers of the juxtarestiform body are passing from the acoustic area (5) toward the cerebellum at (4).
- Lingual gyrus
- Nodulus
- Fourth ventricle
- Juxtarestiform tract
- Area acustica and medial longitudinal fasciculus
- Ventral cochlear nucleus
- Medial lemniscus
- Pontobulbar body
- Pyramid (medulla oblongata)
- Pons and foramen caecum
- Fusiform gyrus
- Uncus (hippocampal gyrus)
- Emboliform nucleus
- Fastigial nucleus
- Brachium conjunctivum (superior cerebellar peduncle)
- Dentate nucleus
- Brachium pontis (middle cerebellar peduncle)
- Restiform body (inferior cerebellar peduncle)
- Spinal trigeminal tract
- Vestibulocochlear nerve (VII) vestibular part
- Facial nerve (VII)
- Quadrangular lobule
- Trigeminal nerve (V)
- Nucleus facial nerve
- Central tegmental tract (tegmental olivary tract)
- Anterior perforated substance
- Anterior cerebral artery (cut across)