| 1. | Only males have both an undivided frenular hook and a retinaculum.
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| 2. | The palmar carpal ligament lies superficial and proximal to the flexor retinaculum.
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| 3. | The extensor retinaculum is attached laterally to the lateral margin of the radius.
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| 4. | The opponens pollicis originates on the tubercle of the trapezium and the flexor retinaculum.
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| 5. | When surgery is needed, the flexor retinaculum is either completely severed or lengthened.
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| 6. | In those abdominal segment bears a hooked structure, variously called the retinaculum or hamula.
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| 7. | Here it is bound down by the flexor retinaculum in company with the posterior tibial artery.
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| 8. | Other groups have a frenulum on the hindwing that hooks under a retinaculum on the forewing.
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| 9. | The tarsal tunnel is delineated by bone on the inside and the flexor retinaculum on the outside.
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| 10. | The opponens pollicis originates from the flexor retinaculum of the hand and the tubercle of the trapezium.
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