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25138A

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Image #   25138A
Name:   Coqui frog skin and spiracles (Eleutherodactylus coqui)
Copyright:   Copyright 2005 Dennis Kunkel Microscopy, Inc.
Description:   Caption: Coqui frog skin and spiracles (Eleutherodactylus coqui). 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.
Magnification*: x6000
Type: SEM
    *(Magnifications are based on a 35mm slide image of 24mm in the narrow dimension.)
Keywords:   25138A 08.01.05 breathing pore breathing pores coqui frog frog spiracle frog spiracles inner dermis membranous skin Misc. Vertebrates outer epidermis SEM frog epithelia frog epithelium frog skin amphibian amphibians

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