Lecture On Neuroanatomy: Cranial Nerves, Oculomotor Course & Weber Syndrome | MBBS

Master the complexities of Neuroanatomy with this detailed lecture from Santiniketan Medical College & Hospital. In this session, we break down the functional components of Cranial Nerves, focusing specifically on the Embryology of the central nervous system and the detailed course of the Oculomotor Nerve (3rd Cranial Nerve).

Whether you are preparing for your university anatomy exams or reviewing high-yield topics for NEET PG, this lecture provides a clear, step-by-step understanding of neural tube development, basal and alar plates, and the clinical implications of Oculomotor nerve damage, including Weber Syndrome.

🧠 Key Neuroanatomy Topics Covered:

Neurulation & Embryology: Formation of the neural tube, neural crest cells, and the primary brain vesicles (Prosencephalon, Mesencephalon, Rhombencephalon).

Functional Components: Understanding Somatic Efferent, Visceral Efferent, and Afferent components of Cranial Nerves.

Oculomotor Nerve (CN III): Deep origin, intra-neural course through the midbrain, and extra-cranial course.

Clinical Anatomy: Signs of Oculomotor Nerve Palsy (ptosis, dilated pupil, loss of accommodation) and the pathophysiology of Weber Syndrome.

⏱️ Video Chapters (Key Moments):
[00:00] Introduction to Cranial Nerve Functional Components
[01:03] Neurulation: Formation of the Neural Tube
[06:03] Brain Vesicles: Prosencephalon, Mesencephalon & Rhombencephalon
[10:07] Basal Plate, Alar Plate & Sulcus Limitans
[16:03] Efferent & Afferent Cranial Nerve Nuclei Explained
[32:35] The Oculomotor Nerve (CN III): Functional Components
[41:16] Deep Origin: Midbrain & Edinger-Westphal Nucleus
[52:24] Extra-Cranial Course of the Oculomotor Nerve
[55:38] Clinical Anatomy: Oculomotor Nerve Palsy
[58:27] Weber Syndrome: Midbrain Lesions & Hemiplegia

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SANTINIKETAN MEDICAL COLLEGE & HOSPITAL
Real Classroom Demonstration/Lecture
On: ANATOMY by Prof. (Dr.) Abhijit Roy
MBBS Batch: (2025-26)
Conducted on: 17-06-26

Видео Lecture On Neuroanatomy: Cranial Nerves, Oculomotor Course & Weber Syndrome | MBBS канала Santiniketan Medical College