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单词 porion
释义 porion Anat.|ˈpɔərɪɒn|
Pl. poria.
[f. Gr. πόρ-ος way through, passageway + -ion2.]
(See quot. 1937.)
1909in Cent. Dict. Suppl.1920H. H. Wilder Lab. Man. Anthropometry 47 Porion, the uppermost point in the margin of the auditory meatus.1933Jrnl. R. Anthrop. Inst. LXIII. 417 The poria [are] widely separated.1937Amer. Jrnl. Physical Anthrop. XXII. 485 Porion, a point on the upper margin of the external auditory meatus which according to Martin is vertically over the middle of the meatus, and according to Wilder is simply the uppermost point.1970Monogr. Soc. Res. Child Devel. XXXV. iii. 48 As a rule, the two poria are instrumentally determined by contact of the upper margin of the rounded ear rods of the headspanner as they are inserted into the S's external auditory meatus.
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