Which of the three pairs of major salivary glands produces a secretion that is predominantly mucous?
Answer
Sublingual gland
Explanation
The lecture describes the **sublingual gland** as secreting mucus only. It describes the parotid secretion as serous and the submaxillary secretion as a mixture of mucus and serous fluids. These differences are useful for comparing the major glands, although the question asks specifically for the lecture’s stated description. **Key takeaway:** In the supplied material, the sublingual gland is the mucus-only major gland.\n\n**Glossary:**\n- **Mucus**: A secretion that helps moisten and lubricate surfaces.\n- **Serous secretion**: A watery secretion described in contrast with mucus-rich fluid.
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