Structures of the 4th Ventricle and the Rhomboid fossa (+Cranial Nerves)

Content:
Introduction 0:00
Fourth Ventricle: 00:31
Rhomboid Fossa: 4:24
CN 5: Trigeminal Nerve 7:51
CN6: Abducens Nerve 8:40
CN7: Facial Nerve 9:08
CN8: Vestibulocochlear Nerve 9:55
CN9: Glossopharyngeal Nerve: 10:36
CN10: Vagus Nerve: 11:31
CN11: Accessory Nerve: 12:!5
CN12: Hypoglossal Nerve: 12:02
Test Yourself on the Rhomboid Fossa! 13:19

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4th ventricle (Ventriculus Quartus):
- Tegmen ventriculi quarti
- Fastigum
- Velum medullare superius
- velum medullare inferius
- tela choroidea
- Plexus choroideus (producing cerebrospinal fluid)
- Lamina Choroidea Epithealis
- The fourth cavity has access to subarachnoid space through Apertura mediana and apertura laterales.
- 4th cavity of the brain is connected to the 3rd ventricle through aqueduct of midbrain

Macroscopic structures of Rhomboid Fossa:
- Bordered by pediculi cerebellares superior, medial and inferior
- Sulcus Medianus
- Stria medullares ventriquli quarti
- Eminencia Medullares
- Colliculus Fascialis
- Trigonus N. Hypoglossi
- Trigonus N. Vagi
- Area Vestibularis
- Locus Cerulerus

Microscopic Structures of Rhomboid Fossa:
- Mnemonics of cranial nerves in Rhomboid Fossa
Three Abducted Falcons With-Claws Glazed-Fearlessly Wanting Access to the Hidden-Gate

Cranial Nerve 5 (Nervus Trigeminus)
- Nucleus Mescencephalicus n. trigemini
- Nucleus Principalis n. trigemini
- nucleus motorius n. trigemini
- nucleus spinalis n. trigemini

Cranial Nerve 6 (Nervus Abducens)
- Nucleus Abducentis

Cranial Nerve 7 (Nervus Fascialis)
- Nucleus n. fascialis
- Nucleus salvitorius superior
- Nucleus tractus solitarii

Cranial Nerve 8 (Nervus Vestibulocochlearis)
- Nucleus Vestibularis- Nucleus Cochlearis

Cranial Nerve 9 (Nervus Glossopharyngeus)
- Nucleus Ambiguus
- Nucleus Tractus Solitarii
- Nucleus Salivatorius inferior

Cranial Nerve 10 (Nervus Vagus)
- Nucleus Ambiguus
- Nucleus Tractus Solitarii
- Nucleus Dorsalis n. vagi

Cranial Nerve 11 (Nervus Accessorius)
- Nucleus Ambiguus (Radix cranialis)
- Nucleus n. Accessorii (Radix Spinalis)

Cranial Nerve 12 (Nervus Hypoglossus)
- Nucleus n. hypoglossi

QUIZ / Test yourself at the end! :)

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