Brain Ventricles Overview | The Lateral, 3rd, & 4th Ventricles + CSF Pathways скачать в хорошем качестве

Brain Ventricles Overview | The Lateral, 3rd, & 4th Ventricles + CSF Pathways

For more cadaveric images and question banks, visit https://bootcamp.com/med-school The ventricular system is essential for Cerebral Spinal Fluid (CSF) circulation, brain protection, and waste removal. In this lesson, we explore the anatomy of the lateral, third, and fourth ventricles, their connections, cisterns, and apertures, and link this to real MRI examples of hydrocephalus. See how obstructed CSF flow raises intracranial pressure, compresses brain tissue, and produces symptoms like headache, memory issues, and visual changes. What you’ll learn 1. Lateral ventricles: anterior/frontal horn, body, posterior/occipital horn, inferior/temporal horn, atrium (trigone), septum pellucidum 2. Connections: interventricular foramina (of Monro) → third ventricle → cerebral aqueduct → fourth ventricle 3. Exits to subarachnoid space: median aperture (Magendie) & lateral apertures (Luschka); key cisterns (cisterna magna, quadrigeminal, interpeduncular) 4. CSF physiology: choroid plexus production → flow → arachnoid granulations → venous sinuses 5. Clinical correlation: how aqueduct or foramen obstruction enlarges specific ventricles (obstructive hydrocephalus), classic symptoms (headache, lethargy, visual & cognitive changes), and infant vs adult findings ⏱️ Timestamps 0:00 – Intro & case study (patient with headache, lethargy, vision/cognitive issues) 0:45 – MRI findings overview 1:05 – Ventricular system overview & layout in the brain 1:26 – Lateral ventricles: anatomy & horns (frontal/anterior, body, occipital/posterior, temporal/inferior) 3:02 – Atrium (trigone): where horns unite 3:27 – Interventricular foramina (of Monro) → access to third ventricle 4:20 – Septum pellucidum between lateral ventricles 5:13 – Third ventricle & relations (thalamus, hypothalamus, pineal, optic chiasm) 6:15 – Cerebral aqueduct connecting 3rd to 4th ventricle 6:58 – Blockages: foramina vs aqueduct → hydrocephalus 7:24 – Fourth ventricle between brainstem & cerebellum 7:53 – CSF exits: median aperture (Magendie) & lateral apertures (Luschka) 8:16 – Subarachnoid space & cisterns (cisterna magna, quadrigeminal cistern, interpeduncular cistern) 8:59 – MRI landmarks (corpus callosum, septum pellucidum, thalamus) 10:11 – Cisterns & subarachnoid connections in detail 12:31 – CSF physiology: production (choroid plexus) → circulation → absorption (arachnoid granulations) 14:06 – Hydrocephalus: MRI examples, obstructive causes & effects 15:13 – Infant vs adult hydrocephalus features 16:20 – Practice problem 1 (identify structures) 18:20 – Practice problem 2 (identify horns of lateral ventricle) 19:17 – Wrap-up & learning outcomes This lesson is especially helpful for medical students, or anyone reviewing for anatomy exams. If it helps you out, give it a like, leave your questions in the comments, and subscribe for more Bootcamp videos. TikTok:   / medschoolbootcamp   INSTAGRAM:   / medschoolbootcamp   #medschoolbootcamp #medicine #Medical #MedStudent #MedicalStudent #MedSchool #MedicalSchool #Doctor #Resident #Hospital #MD #Med #Anatomy #Science #Whitecoat #WhiteCoatCeremony #MS1 #ms2 ___________________________________________________________ brain ventricles, ventricular system, CSF flow, cerebrospinal fluid, choroid plexus, lateral ventricles, anterior horn, posterior horn, inferior (temporal) horn, atrium (trigone), septum pellucidum, interventricular foramen (foramina of Monro), third ventricle, cerebral aqueduct (aqueduct of Sylvius), fourth ventricle, median aperture (Magendie), lateral apertures (Luschka), subarachnoid space, cisterna magna, quadrigeminal cistern, interpeduncular cistern, hydrocephalus, obstructive hydrocephalus, increased intracranial pressure, MRI ventricles, neurology anatomy, neuroanatomy made easy, med school neuro review