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| == Testes == | | == Testes == |
− | | + | * Bean-shaped, paired |
| + | * Lie near the cranial pole of the kidney |
| + | * Medially, they lie close to the aorta and caudal vena cava. |
| + | * Each testical suspended by a short '''mesochorium''' and surrounded medially by the abdominal air sac. |
| + | * Left tends to be larger than right in immature birds. |
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| == Phallus == | | == Phallus == |