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Coqui frog skin and spiracle

Image Number: 25147C

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Caption:

Coqui frog skin and spiracle (Eleutherodactylus coqui) with bacteria near the spiracle opening. The coqui, also called the little frog in Puerto Rico, has only a minute tail when it is born, which quickly disappears. The frog is covered by a soft, thin, moist skin composed of two layers, an outer epidermis and an inner dermis. The skin does not merely protect the frog but helps in respiration. Breathing pores in skin are called spiracles. An extensive network of blood vessels runs throughout the frog's skin. Oxygen can pass through the membranous skin, thereby entering directly into the blood. When a frog submerges beneath the water, all its respiration takes place through the skin. Oxygen is obtained directly from the water. The frog does not breathe through its skin alone. Adult frogs have paired, simple, saclike lungs.

Keywords:

| 25147C frog coqui coqui frog pest Eleutherodactylus Hawaii amphibian amphibians misc. vertebrate misc. vertebrates vertebrate vertebrates spiracle spiracles epithelial cell epithelial cells frog epithelia frog epithelial cells frog epithelium frog skin frog spiracle frog spiracles 08.01.09 breathing pore breathing pores inner dermis membranous skin Misc. Vertebrates outer epidermis SEM epithelial epithelium frog epithelium cell frog skin cell frog skin cells little frog skin skin bacteria skin bacterium miscellaneous vertebrate miscellaneous vertebrates |

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