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单词 ostiole
释义 os·ti·ole
\ˈästēˌōl\ noun
(-s)
Etymology: New Latin ostiolum, from Latin, small door, diminutive of ostium
: a small aperture, orifice, or pore: as
 a. : the mouth of the perithecium or other spore fruit in a fungus or lichen
 b. : an orifice of an odoriferous gland in various Hemiptera
 c. : the opening of the conceptacle in various fucoid seaweeds
 d. : one of the small inhalant orifices of a sponge
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