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陥入吻 (kannyuufun) Japanese meaning: introvert | Kotomora

陥かん入にゅう吻ふん

か

ん

にゅ

う

ふ

ん

Meanings

1

introvert; eversible proboscis

A biological term for a retractable, tube-like feeding structure found in certain invertebrates, especially sipunculans (peanut worms).

ホシムシの陥かん入にゅう吻ふんは、餌えさを捕とらえるため

に

体たい

外がい

に

伸の

ばさ

れる

。

The introvert of a peanut worm is extended outside the body to capture food.

Kanji

陥collapse, fall into, cave in
入enter, insert
吻proboscis

Etymology

The term is composed of 陥入 (かんにゅう, 'invagination' or 'retraction') and 吻 (ふん, 'proboscis'), describing a retractable proboscis. The exact historical derivation is uncertain; it is a technical compound used in zoology.