The tympanic membrane is a covering that transmits sound to the inner portions of the frog ear. It doesn’t detect sound – it just transmits it. It would be similar to how the human eardrum works. It also protects the frog ear from water/debris. Some frogs have large external tympanic membranes; others have very small ones. Some frogs do not have them at all – they transmit sound to their ears in other ways. Look at the Coastal Plains leopard frog and the bull frog. Be able to identify the tympanic membranes, and the dorsolateral or supratympanic folds on both. Q18: can you please answer (type) both parts of this question A: What do you notice when you compare the glandular folds on the two frogs? And what does “supratympanic” mean? Why does that make sense?
The tympanic membrane is a covering that transmits sound to the inner portions of the frog ear. It doesn’t detect sound – it just transmits it. It would be similar to how the human eardrum works. It also protects the frog ear from water/debris. Some frogs have large external tympanic membranes; others have very small ones. Some frogs do not have them at all – they transmit sound to their ears in other ways. Look at the Coastal Plains leopard frog and the bull frog. Be able to identify the tympanic membranes, and the dorsolateral or supratympanic folds on both.
Q18: can you please answer (type) both parts of this question
A: What do you notice when you compare the glandular folds on the two frogs? And what does “supratympanic” mean? Why does that make sense?
The eardrum is another name for the tympanic membrane. It is what divides the middle ear from the outer ear. The vibrating signals are subsequently transmitted to the inner ear through the middle ear bones. The tympanic membrane is a thin connective tissue membrane that is covered on the outside by skin and mucosa on the inside by mucosa.
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