Internal Insect Systems - Purdue Extension Entomology

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Gastric ceacae Key Parts of Midgut ventriculus Peritrophic membrane • Ventriculus - lines the food bolus with a fine mesh made of chitin/carbohydrate/prote in mesh called the peritrophic membrane • Gastric ceacae are where nutrients are absorbed. Ceacal structure varies across orders
Key Parts of Hindgut Malpighian tubules • Malpighian tubules, like kidneys, filter waste out of insect blood (haemolymph), releasing urine into hindgut • Rectal pads resorb water and minerals into haemolymph
Page 1 and 2: What’s under the hood????
Page 3 and 4: Flight System • Direct/Indirect F
Page 5 and 6: Indirect flight muscles Illustratio
Page 7 and 8: Insect Digestive System Generalized
Page 9: Key Parts of Foregut • Mouth -ing
Page 13 and 14: Insect Circulatory System • Open
Page 15 and 16: Insect Respiratory System Spiracles
Page 17 and 18: Key Parts of Respiratory System •
Page 19 and 20: Key Points for Nervous System • 1
Page 21 and 22: Insect Nervous System Tutorial http
Page 23 and 24: Male Reproductive Organs testes acc
Page 25: Insect Reproductive System Female M

Internal Insect Systems - Purdue Extension Entomology

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