The stomach is beset throughout its length with numerous small, finger-like caecal tubes. [Please select]
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Mid-gut: the chylific ventricle with the caecal glands, tubes or pouches. [Please select]
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Caecal tubes or pouches: sac, or blind tube-like structures surrounding the chylific ventricle at its junction with the crop, and secreting a digestive ferment. [Please select]
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Chyle: the food-mass after it has passed through the guard and is mixed with the secretions of the salivary glands and caecal structures, ready to be assimilated. [Please select]
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