1. [TA] The longitudinal furrow between the helix and the antihelix of the auricle. SYN: fossa of helix. 2. Obsolete term for scaphoid fossa. [L. fr. G. skaphe, skiff]
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sca·pha 'skaf-ə n an elongated depression of the ear that separates the helix and antihelix
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sca·pha (skaґfə) [L. “a skiffâ€] [TA] the long curved depression that separates the helix of the ear from the antihelix; called also scaphoid fossa and fossa helicis.Medical dictionary. 2011.