Last Updated
：2025/12/04
shell sac
Noun
Japanese Meaning
(動物学) 軟体動物が発生の過程で分泌する殻を形成する嚢。 / (特に現在) 頭足類において、ペンまたはグラディウス（内部分泌物）の分泌に関与するマントルのひだ。
（ plural ）
Quizzes for review
(zoology) The sac in which the shell of a mollusc is secreted during development; (now especially) the fold of mantle in which a cephalopod secretes its pen or gladius.
音声機能が動作しない場合はこちらをご確認ください
See correct answer
shell sac
During the larval stage, the mollusc's shell sac secretes layers of calcium carbonate that build its protective shell.
See correct answer
During the larval stage, the mollusc's shell sac secretes layers of calcium carbonate that build its protective shell.
音声機能が動作しない場合はこちらをご確認ください
English - English
Word Edit Setting
- Users who have edit permission for words - All Users
- Screen new word creation
- Screen word edits
- Screen word deletion
- Screen the creation of new headword that may be duplicates
- Screen changing entry name
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Sentence Edit Setting
- Users who have edit permission for sentences - All Users
- Screen sentence deletion
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
Quiz Edit Setting
- Users who have edit permission for quizzes - All Users
- Users authorized to vote on judging - Editor
- Number of votes required for decision - 1
