Plural of adenoidectomy; surgical procedures to remove the adenoids, small tissue masses in the throat.
From adenoid (from Greek adeno- 'gland' + -oid 'resembling') + -ectomy (from Greek ektomē 'excision'). The plural form uses -ies, the standard English plural for words ending in -y.
Adenoidectomies were once the most common surgery for children in the mid-20th century, often performed alongside tonsillectomies so routinely that doctors didn't always check if they were necessary—a cautionary tale about medical trends!
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