The _____ is the largest salivary gland.

Question

BlackTom AI · Accepted Answer

The parotid salivary gland is the largest salivary gland.

Relevant knowledge points and concepts:
- Three major paired salivary glands exist: parotid, submandibular, and sublingual; many minor salivary glands are scattered throughout the oral mucosa.
- Anatomical location and gross size determine which is "largest": the parotid lies superficially over the masseter muscle, extending from the zygomatic arch to the angle of the mandible, making it the most bulky of the glands.
- Functional and clinical associations: the parotid secretes mainly serous saliva via Stensen’s duct, is innervated by the glossopharyngeal nerve (CN IX) via the otic ganglion, and the facial nerve (CN VII) traverses the gland—important surgically. Mumps characteristically causes parotid enlargement.

Step-by-step reasoning:
1. List the major glands and their relative sizes: parotid (largest), submandibular (second largest), sublingual (smallest of the three majors).
2. Compare anatomical extents: the parotid occupies a large superficial space lateral to the face, whereas the submandibular sits beneath the mandible in the submandibular triangle and the sublingual occupies the floor of the mouth—both are smaller in overall volume and mass.
3. Corroborating clinical evidence: common parotid swelling in infections (mumps) and the prominent visibility of parotid tumors support its status as the largest gland.

Why the correct answer is correct:
Because the parotid gland has the greatest gross volume and superficial anatomical footprint among salivary glands, it is classically and anatomically recognized as the largest major salivary gland.

Why other choices would be incorrect:
- Submandibular gland: second largest, but not the largest.
- Sublingual gland: smallest of the three major glands.
- Minor salivary glands: numerous but individually tiny and collectively far smaller than the parotid.

Conclusion: The correct answer is Parotid salivary gland, which matches the provided answer.

The _____ is the largest salivary gland.单项选择题

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