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

Content:
0:00 Introduction
1:09 Ventricles in the Brain
2:51 Fourth Ventricle: Roof
5:58 Fourth Ventricle: Communications
6:42 Rhomboid Fossa: Topography
7:20 Rhomboid Fossa: External Structures
9:22 Rhomboid Fossa: Cranial Nuclei
16:06 QUIZ!

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Ventricles in the Brain:
Fourth Ventricle
Central Canal
Aqueduct of the Midbrain
Third Ventricle
Interventricular Foramen
Lateral Ventricles
Contain Cerebrospinal Fluid
Subarachnoid Space

Roof of 4th Ventricle (Tegmen Ventriculi Quarti):
Superior Medullary Velum (Velum Medullare Superius)
Inferior Medullary Velum (Velum Medullare Inferius)
○ Tela Choroidea
○ Choroid Plexus
Fastigium

Communications of 4th Ventricle:
Aqueduct of Midbrain (Aquaefuctus Mesencephali)
Lateral Apertures / Foramina of Luschka (Apertura Laterales Ventriculi Quarti)
Median Aperture / Foramen of Magendie (Apertura Mediana Ventriculi Quarti)
Central Canal (Canalis Centralis)

Topography of the Rhomboid Fossa (Fossa Rhomboidea):
Bordered by the Superior and Inferior Cerebellar Peduncle

Anatomical Structures of the Rhomboid Fossa:
Median Sulcus (Sulcus Medianus)
Medial Eminence (Eminentia Medialis)
Medullary Stria (Stria Medullares)
Facial Colliculus (Colliculus Facialis)
Hypoglossal Trigone (Trigonum Hypoglossi)
Vagal Trigone (Trigonum n.hypoglossi)
Vestibular Area (Area Vestibularis)
Locus Caerulerus

Cranial Nuclei of the Rhomboid Fossa:
Trigeminal Nerve (N. Trigeminus)
○ Mesencephalic Nucleus of the trigeminal nerve
nucleus mesencephalicus nervi trigemini
○ Principal Nucleus of trigeminal nerve
nucleus principalis nervi trigemini
○ Spinal Nucleus of trigeminal nerve
nucleus spinalis nervi trigemini
○ Motor Nucleus of trigeminal nerve
nucleus motorius nervi trigemini
Abducent Nerve (N. Abducens)
○ Nucleus of abducent nerve
nucleus n. abduncentis
Facial Nerve (N. Facialis)
○ Motor Nucleus of Facial Nerve
nucleus n. fascialis
○ Superior Salivatory Nucleus
nucleus salivatorois
○ Nucleus of the Solitary Tract
nucleus tractus solitarii
Vestibulocochlear Nerve (N. Vestibulocochlearis)
○ 2x Cochlear Nuclei
nuclei cochlearis
○ 4x Vestibular Nuclei
nuclei vestibularis
Glossopharyngeal Nerve (N. Glossopharyngeus)
○ Inferior Salivatory Nucleus
nucleus salivatorius inferior
○ Nucleus of the Solitary Tract
○ Nucleus Ambiguus
Vagus Nerve (N. Vagus)
○ Posterior nucleus of Vagus Nerve
nucleus posterior nervi vagi
○ Nucleus of the Solitary Tract
○ Nucleus Ambiguus
Accessory Nerve (N. Accessorius)
○ Nucleus ambiguus
○ Spinal Nucleus of Accessory Nerve
nucleus spinalis nervi accessorii
○ Spinal Root
○ Cranial Root
Hypoglossal Nerve (N. Hypoglossus)
Nucleus of Hypoglossal Nerve (Nucleus Nervi Hypoglossi)


QUIZ

Sources used in this video:
Memorix Anatomy 2nd Edition by Hudák Radovan (Author), Kachlík David (Author), Volný Ondřej (Author)
Biorender
University notes and lectures