Category: Human Anatomy

TRIGEMINAL & FACIAL NERVE – Concise Lecture Notes TOPIC: TRIGEMINAL & FACIAL NERVE I. TRIGEMINAL NERVE (CN V) 👉 Type: Mixed nerve (Motor + Sensory) 👉 Largest cranial nerve; Principal sensory nerve of face 1. ORIGIN Four nuclei in the pons: 1 Motor nucleus (pons) 3 Sensory nuclei (mesencephalic, main sensory, spinal) 2. DIVISIONS 👉 […]

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TOPIC: Arterial supply of the Head and Neck 🔎 INTRODUCTION The head and neck receive rich arterial blood supply from branches of the common carotid arteries and subclavian arteries. Major arteries: Common carotid artery (right from brachiocephalic trunk, left from aortic arch) Subclavian artery (both sides)  

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HEAD AND NECK IMPORTANT QUICK NOTES 🔍 INTRODUCTION:  The head and neck region houses vital exocrine and endocrine glands that regulate saliva, hormones, tears, and more. These glands are important not only for physiology but also in clinical practice – think of swelling near the ear (parotitis), dry mouth, or thyroid nodules! 1. Salivary Glands […]

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QUICK REVISION NOTES ON PARANASAL SINUSES 📌 POINTS TO PONDER 🔹Air-filled bony cavities located in the face and skull adjacent to the nose. 🔹Derive their nomenclature from the bones that they pneumatize. 🔹Occur as “paired” structures– Frontal sinuses– Maxillary sinuses– Ethmoid sinuses– Sphenoid sinuses 🔹Each sinus is connected to the nose by a small opening […]

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