lact(o) denotes which substance?

Prepare for the Animal Behavior College Test. Use flashcards and multiple choice questions with hints and explanations. Ensure you're fully prepared for your externship!

Multiple Choice

lact(o) denotes which substance?

Explanation:
lact/o denotes milk. This combining form appears in terms about milk or milk production, such as lactose (milk sugar), lactation (the act of producing milk), and lactiferous (carrying milk). It comes from the Latin word for milk, making its meaning clear in medical and biological terms. The other options map to different roots: yellow would be from a root like lute- or flav-, tear comes from dacry- (lacrimal), and the abdominal region is described with lapar/o or abdomin/o.

lact/o denotes milk. This combining form appears in terms about milk or milk production, such as lactose (milk sugar), lactation (the act of producing milk), and lactiferous (carrying milk). It comes from the Latin word for milk, making its meaning clear in medical and biological terms. The other options map to different roots: yellow would be from a root like lute- or flav-, tear comes from dacry- (lacrimal), and the abdominal region is described with lapar/o or abdomin/o.

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