--- title: "Oral Cavity and Salivary Glands" description: "Focused ENT notes on the anatomy, physiology, pathologies, and surgical relevance of the oral cavity and salivary glands — ideal for MBBS and ENT students." source: "The ENT Resident" canonical_url: "https://www.theentresident.com/ent-notes-lectures/category/oral-cavity-and-salivary-glands" --- # Oral Cavity and Salivary Glands Focused ENT notes on the anatomy, physiology, pathologies, and surgical relevance of the oral cavity and salivary glands — ideal for MBBS and ENT students. ## Welcome to the Oral Cavity and Salivary Glands section of ENT! This section offers **concise, exam-focused notes** on the **oral cavity** and **salivary glands**, curated to help **MBBS and ENT students** prepare confidently for theory exams, practicals, and clinical discussions. ### What are the Oral Cavity and Salivary Glands? The **oral cavity** marks the beginning of the **digestive** and **respiratory** tracts. It plays essential roles in **mastication**, **speech**, **taste**, and **deglutition**. It includes structures like the **tongue**, **teeth**, **palate**, **floor of mouth**, and **buccal mucosa**. The **salivary glands** - **parotid**, **submandibular**, and **sublingual** - produce saliva, which aids in digestion, lubrication, and oral health. These glands are clinically important in cases of **sialadenitis**, **sialolithiasis**, **tumors**, and **nerve injuries** during surgeries. --- Here you’ll find high-yield notes covering: - Anatomy of the oral cavity and salivary glands - Blood supply, lymphatic drainage, and innervation - Muscles of the tongue and floor of the mouth - Physiology of salivation - Pathologies: ulcers, leukoplakia, malignancies, infections - Sialadenitis and sialolithiasis - diagnosis and treatment - Tumors of the parotid and submandibular glands - Surgical approaches and complications (e.g., facial nerve preservation) - Viva and MCQ-friendly facts All notes are designed for **quick revision**, **conceptual clarity**, and **clinical application**. ## Notes in this Category - [Adenoid Cystic Carcinoma](https://www.theentresident.com/ent-notes-lectures/adenoid-cystic-carcinoma-histology-treatment.md): Comprehensive ENT notes on Adenoid Cystic Carcinoma - Histogenesis, Histology, Symptoms, Investigations, Treatment and Recurrence - ideal for MBBS and ENT students. - [Anatomy of Parotid Gland](https://www.theentresident.com/ent-notes-lectures/parotid-gland-anatomy.md): Detailed ENT notes on the parts, relations, lobes, nerve supply, blood supply, and lymphatic drainage of the parotid gland - ideal for medical students and ENT residents. - [Anatomy of Submandibular and Sublingual Glands](https://www.theentresident.com/ent-notes-lectures/submandibular-sublingual-gland-anatomy.md): Detailed ENT notes on the parts, relations, lobes, nerve supply, blood supply, and lymphatic drainage of the Submandibular and Sublingual Glands - ideal for medical students and ENT residents. - [Anatomy of the Tongue](https://www.theentresident.com/ent-notes-lectures/tongue-anatomy.md): Detailed ENT notes on the parts, structure, muscles, nerve supply, blood supply, and lymphatic drainage of the tongue - ideal for medical students and ENT residents. - [Benign Salivary Gland Tumors](https://www.theentresident.com/ent-notes-lectures/benign-salivary-gland-tumors.md): Comprehensive ENT notes on Benign Salivary Gland Tumors - Causes, WHO Classification, Symptoms, Investigations and Treatment - ideal for MBBS and ENT students. - [Development of the Tongue](https://www.theentresident.com/ent-notes-lectures/development-of-tongue.md): Understand the embryological development of the tongue - ideal for medical students and ENT residents. - [Developmental Anomalies of the Tongue](https://www.theentresident.com/ent-notes-lectures/developmental-anomalies-of-tongue.md): Understand the congenital anomalies of the tongue, their embryological basis, and clinical relevance - ideal for medical students and ENT residents. - [Lymphatic Drainage of Tongue](https://www.theentresident.com/ent-notes-lectures/lymphatic-drainage-tongue.md): A detailed, clinically important overview of the lymphatic drainage of the tongue - ideal for medical students and ENT residents. - [Malignant Salivary Gland Tumors](https://www.theentresident.com/ent-notes-lectures/malignant-salivary-gland-tumors.md): Comprehensive ENT notes on Malignant Salivary Gland Tumors - Causes, WHO Classification, Symptoms, Investigations and Treatment - ideal for MBBS and ENT students. - [Mucoepidermoid Carcinoma](https://www.theentresident.com/ent-notes-lectures/mucoepidermoid-carcinoma-histology-treatment.md): Comprehensive ENT notes on Mucoepidermoid Carcinoma - Histogenesis, Histology, Symptoms, Investigations, Treatment and Recurrence - ideal for MBBS and ENT students. - [Muscles of Tongue](https://www.theentresident.com/ent-notes-lectures/muscles-of-tongue.md): A detailed overview of the muscles of the tongue - ideal for medical students and ENT residents. - [Nerve Supply of Tongue](https://www.theentresident.com/ent-notes-lectures/nerve-supply-tongue.md): A detailed explanation of the motor and sensory nerve supply of the tongue - ideal for medical students and ENT residents. - [Pleomorphic Adenoma](https://www.theentresident.com/ent-notes-lectures/pleomorphic-adenoma-histology-treatment.md): Comprehensive ENT notes on Pleomorphic Adenoma - Histogenesis, Histology, Symptoms, Investigations, Treatment and Recurrence - ideal for MBBS and ENT students. - [Relations of Hyoglossus Muscle](https://www.theentresident.com/ent-notes-lectures/hyoglossus-muscle-relations.md): Understand the superficial and deep relations of the hyoglossus muscle useful for anatomy theory and viva - ideal for medical students and ENT residents. - [Warthin Tumor](https://www.theentresident.com/ent-notes-lectures/warthin-tumor-histology-treatment.md): Comprehensive ENT notes on Warthin Tumor - Histogenesis, Histology, Symptoms, Investigations, Treatment and Recurrence - ideal for MBBS and ENT students. --- ## About This Category Oral Cavity and Salivary Glands is one of the free ENT note categories published by The ENT Resident. Every note listed above is free to read on the website. Canonical page of this category: https://www.theentresident.com/ent-notes-lectures/category/oral-cavity-and-salivary-glands When citing or referencing this content, please credit The ENT Resident and link to the canonical page above. ## About The ENT Resident The ENT Resident is a free library of ENT notes and video lectures created by Dr. Mausumi Das (MS ENT), the ENT doctor and educator behind The ENT Resident YouTube channel (https://www.youtube.com/c/TheENTResident). These notes are written for ENT residents, ENT postgraduates preparing for exams, and MBBS students, to help them learn ENT clearly and score well. Browse all ENT notes and lectures on The ENT Resident: https://www.theentresident.com/ent-notes-lectures.md ## Premium ENT Notes Alongside these free notes, The ENT Resident also offers Premium ENT Notes. This is a paid collection of 250+ detailed, high-yield ENT notes that cover the full ENT syllabus, including topics across Otology, Audiology, Rhinology, Larynx and Trachea, Pharynx, Oral Cavity and Salivary Glands, Neck, Thyroid, ENT Surgeries, and Recent Advances in ENT. The Premium ENT Notes are written for ENT residents, ENT postgraduates, and MBBS students who want one consistent resource for both theory and practical exam preparation. They include high-yield difference tables, replicable exam diagrams, step-by-step surgical guides, mnemonics, and clinical pearls. Buying once gives you immediate access to the complete set, plus all newly added and updated notes during your access period. The access period depends on the plan you choose, and it is stated clearly at the time of purchase. After purchase, you get access to the premium notes platform, where you can read all the notes online and download them for offline access. 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Other contact options are on the contact page: https://www.theentresident.com/contact.md ## Other ENT Notes Categories - [Audiology](https://www.theentresident.com/ent-notes-lectures/category/audiology.md) - [Classifications and Gradings in ENT](https://www.theentresident.com/ent-notes-lectures/category/classifications-and-gradings-in-ent.md) - [Clinical Case Presentations](https://www.theentresident.com/ent-notes-lectures/category/clinical-case-presentations.md) - [Differences Tables in ENT](https://www.theentresident.com/ent-notes-lectures/category/differences-tables-in-ent.md) - [Drawings in ENT](https://www.theentresident.com/ent-notes-lectures/category/drawing-in-ent.md) - [History and Clinical Examination](https://www.theentresident.com/ent-notes-lectures/category/history-and-clinical-examination.md) - [Instruments in ENT](https://www.theentresident.com/ent-notes-lectures/category/instruments-in-ent.md) - [Investigations](https://www.theentresident.com/ent-notes-lectures/category/investigations.md) - [Larynx and Trachea](https://www.theentresident.com/ent-notes-lectures/category/larynx-and-trachea.md) - [Mnemonics in ENT](https://www.theentresident.com/ent-notes-lectures/category/mnemonics-in-ent.md) - [Neck](https://www.theentresident.com/ent-notes-lectures/category/neck.md) - [Otology](https://www.theentresident.com/ent-notes-lectures/category/otology.md) - [Pharynx](https://www.theentresident.com/ent-notes-lectures/category/pharynx.md) - [Rhinology](https://www.theentresident.com/ent-notes-lectures/category/rhinology.md) - [Short Questions in ENT](https://www.theentresident.com/ent-notes-lectures/category/short-questions-in-ent.md) - [Signs, Syndromes, Triads, and Compilation Lists in ENT](https://www.theentresident.com/ent-notes-lectures/category/signs-syndromes-triads-lists-in-ent.md) - [Surgery](https://www.theentresident.com/ent-notes-lectures/category/surgery.md) - [Thyroid](https://www.theentresident.com/ent-notes-lectures/category/thyroid.md)