Meanings
adjectiveextrathyroidal (not comparable)
- not comparableOutside of the thyroid.
The ratio of serum free T3 (FT3) over free T4 (FT4) (FT3/FT4 ratio) may reflect the degree of extrathyroidal T4 to T3 conversion activity.
2015 July 8, Yuji Oto et al., “The ratio of serum free triiodothyronine to free thyroxine in children: a retrospective database survey of healthy short individuals and patients with severe thyroid hypoplasia or central hypothyroidism”, in Thyroid Research, volume 8, →DOI
Origin
- Proto-Indo-European*h₁éǵʰ
- Proto-Indo-European*h₁éǵʰs
- Proto-Indo-European*h₁eǵʰsteros
- Proto-Italic*eksteros
- Latinexter
- Latinextrā
- Englishextra-
- Proto-Indo-European*dʰwer-
- Proto-Hellenic*tʰurā
- Ancient Greekθῠ́ρᾱ (thŭ́rā)
- Ancient Greekθῠρεός (thŭreós)
- Proto-Indo-European*weyd-
- Proto-Indo-European*wéydos
- Proto-Hellenic*wéidos
- Ancient Greekεἶδος (eîdos)
- Ancient Greekθῠρεοειδής (thŭreoeidḗs)
- New Latinthyreoīdēs
- Englishthyroid
- Proto-Indo-European*h₂el-
- Proto-Indo-European*h₂élisder.?
- Englishthyroidal
- Englishextrathyroidal
Cite this entry
APA
extrathyroidal. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/extrathyroidal
MLA
“extrathyroidal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/extrathyroidal. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “extrathyroidal,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/extrathyroidal.
Source: extrathyroidal on Wiktionary, CC BY-SA 4.0.