@chisom.aja: This anatomical illustration depicts a medical condition known as sialolithiasis, which is the formation of a stone (calculus) in a salivary gland. This video specifically highlights the parotid gland, the largest of the three main pairs of salivary glands, located just in front of and below each ear. Key Anatomical Features Shown:👇 Parotid Gland: The large, textured pink structure on the side of the jaw. It produces saliva that is released into the mouth to aid digestion. Parotid Duct (Stensen's Duct): The tube-like structure extending from the gland toward the cheek. This is the "highway" saliva travels to enter the oral cavity. Salivary Stone (Sialolith): The grey, rock-like mass lodged in the duct. These are typically composed of calcium phosphate and carbonate. Facial Nerve: The branching yellow structures weaving through the gland. This is a critical detail because the facial nerve, which controls facial expressions, passes directly through the parotid gland. Why This Happens and What It Feels Like: When a stone forms, it acts like a literal "cork" in a bottle. Because the saliva cannot bypass the stone, it backs up into the gland, leading to several symptoms: Swelling: The gland becomes engorged, often looking like a "mump" on one side of the face. Pain: This is usually most intense during meals (the "mealtime syndrome"). When you see or smell food, your brain tells the gland to produce saliva; the sudden pressure against the blockage causes sharp pain. Infection: If the saliva remains stagnant for too long, bacteria can grow, leading to a painful infection called sialadenitis. Treatment Small stones can sometimes be "milked" out by massaging the gland or drinking lemon water to stimulate heavy saliva flow. Larger stones, like the one pictured, may require minor surgery or sialendoscopy, where a tiny camera and tools are used to retrieve the stone through the duct opening. #AnatomyEducation #humananatomyandphysiology1stsemester

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2026-04-12 09:47:28

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