Internal Insect Systems - Purdue Extension Entomology
Internal Insect Systems - Purdue Extension Entomology
Internal Insect Systems - Purdue Extension Entomology
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Gastric ceacae<br />
Key Parts of Midgut<br />
ventriculus<br />
Peritrophic membrane<br />
• Ventriculus - lines the<br />
food bolus with a fine<br />
mesh made of<br />
chitin/carbohydrate/prote<br />
in mesh called the<br />
peritrophic membrane<br />
• Gastric ceacae are<br />
where nutrients are<br />
absorbed. Ceacal<br />
structure varies across<br />
orders
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