Скачать с ютуб Mesencephalon (Midbrain) - External & Internal structures + QUIZ | Anatomy в хорошем качестве

Mesencephalon (Midbrain) - External & Internal structures + QUIZ | Anatomy

Content: 0:00 Introduction 1:02 Topography of Midbrain 1:35 Anterior Surface of Midbrain 3:06 Posterior Surface of Midbrain 6:10 Internal Surface of Midbrain 7:05 Gray Matter of Midbrain 13:27 White Matter of Midbrain 13:44 White Matter: Ascending Tracts 16:40 White Matter: Descending Tracts 21:51 QUIZ! ------------------------------- 🫀 Join:    / @taimtalksmed   📷 Follow my IG:   / taimtalksmed   💝 Donation link: https://www.buymeacoffee.com/taimtalk... ------------------------------- Topograpgy of the Mesencephalon: Lies above the Pons, Below Diencephalon, In front of the Cerebellum Anterior Surface Postrior Surface Anterior Surface of the Mesencephalon: Cerebral Peduncles (Pedunculus Cerebri) Interpeduncular Fossa (Fossa Interpeduncularis) ○ Posterior Perforated Substance (Substantia Perforata Posterior) ○ Oculomotor Sulcus of Mesencephalon (Sulcus Nervi Oculomotorii) ○ 3rd Cranial Nerve (Oculomotor nerve) Posterior View of the Mesencephalon: Cerebral Peduncles (Pedunculus Cerebri) Tectal Plate (Lamina Tecti) ○ Superior Colliculus (Colliculi Superior) § Visual Pathway: § Receptors of Optic Nerve (CNII) § Optic Chiasm § Lateral Geniculate Body (Metathalamus) § Primary Visual Cortex § Brachium of the Superior Colliculi (Brachium Colliculi superior) ○ Inferior Colliculus (Colliculi Inferior) § Auditory Pathway: § Cochlear Nerve § Cochlear Nuclei § Lateral Lemniscus § Inferior Colliculi § Brachium of the Inferior Colliculi (Brachium Colliculi Inferior) § Primary Auditory Cortex (Superior Temporal Gyrus) Lateral Sulcus of Mesencephalon (Sulcus Lateralis Mesencephali) Trigone of Lateral Lemniscus (Trigonum Lemnisci Lateralis) Trochlear Nerve (CN IV) Internal Surface of the Mesencephalon: Tectum of Midbrain Tegmentum of Midbrain Cerebral Peduncles Gray Matter of Mesencephalon: Red Nucleus (Nucleus Ruber) ○ Corticopontine Tract ○ PontoCerebellar Tract (Transverse Pontine Fibers) ○ Cerbellorubral Tract ○ Rubrospinal Tract Substantia Nigra ○ Substantia Nigra pars Reticulata ○ Sibstantia Nigra pars Compacta § Part of Basal Ganglia (Putamen, Globus Pallidus, Caudate, Thalamus, Subthalamus, Striatum, Lentiform Nucleus) § Help Start Movement, Stop Movement Modulate Movement § Disease here causes Parkinsons Disease and TRAP symptoms (Tremor, Rigidity, Akinesia, Postural Instability) Superior Colliculi level: ○ Nucleus of oculomotor nerve (Nuclei nervi oculomotorii) ○ Posterior Accessory Nucleus of Oculomonor Nerve (Nucleus accessorii nervi oculomotorii) Inferior Colliculi level: ○ Nucleus of Trochlear nerve (Nuclei nervi trochlearis) ○ Mesencephal nucleus of Trigeminal Nerve (Nucleus mesencephalicus nervi trigemini) Periaqueductal Grey Substance (Substantia Grisea Centralis) Reticular Formation (Formatio Reticularis) White Matter of Mesencephalon: Ascending Tracts Medial Lemniscus (Lemniscus Medialis) ○ Gracile Fascicle (Fasciculus Gracilis) to Gracile Nucleus ○ Cuneate Fascicle (Fasciculus Cuneatus) to Cuneate Nucleus ○ Medial Lemniscus is formed through Internal Arcuate Fibers (Fibrae Arcuatae Internae) ○ Epicritic Sensibility (Proprioception and Mechanoreceptios) Spinal Lemniscus (Lemniscus Spinalis) ○ Anterior Spinothalamic Tract (Tractus Spinothalamicus Anterior) ○ Lateral Spinothalamic Tract (Tractus Spinothalamicus Lateralis) Trigemincal Lemniscus (Lemniscus Trigeminalis) Anterior Spiniocerebellar Tract (Tractus Spinocerebellaris Anterior) Lateral Lemniscus (Lemniscus Lateralis) ○ From Cochlear Nerve Descending Tracts ○ Vestibulospinal Tract (Tractus Vestibulospinalis) ○ Rubrospinal Tract (Tractus Rubrospinalis) ○ Tectospinal Tract (Tractus Tectospinalis) ○ Posterior Tegmental Decussation (Decussatio Tegmentalis Posterior) ○ Reticulospinal Tract (Tractus Reticulospinalis) ○ Anterior Tegmental Decussation (Decussatio Tegmentalis Anterior) ○ Medial Longitudinal Fasciculus (Fasciculus Longitudinalis Medialis) In the Cerebral Peduncles ○ Corticospinal Tract (Tractus Corticospinalis) ○ Corticonuclear Tract (Corticobulbar tract) ○ Corticopontine tract (Tractus Corticopontineus) § Frontopontine Tract § Parietopontine Tract § Temporopontine Tract § Occipitopontine Tract 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