tooth-sacn. a sac or hollow structure of connective tissue, within which a tooth is developed.
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the world > life > the body > digestive or excretive organs > digestive organs > mouth > substance or parts of teeth > [noun] > socket
socket1601
alveolus1657
tooth-sac1890
1890 J. S. BillingsNational Med. Dict. IITooth-sac, connective-tissue structure enclosing the dentine germ and enamel-organ in the fœtal development of the teeth.