cricothyroidadj.n.
/ˌkrʌɪkəʊˈθʌɪrɔɪd/, U.S. /ˌkraɪkoʊˈθaɪˌrɔɪd/ Anatomy.
A. adj.
Of or relating to the cricoid and thyroid cartilages; esp. designating a muscle that originates from the cricoid and inserts on to the thyroid cartilage, and serves to increase the tension of the vocal folds and raise the pitch of the voice. Cf. thyro-cricoid adj. at thyro- comb. form 1.
ΘΚΠ
the world > life > the body > structural parts > cartilage > cartilage of specific parts > [adjective] > of mouth or throat
cricoid1657
cricoidal1698
arytenoid1728
cricothyroid1740
cricoarytenoid1754
thyroidal1827
thyroid1828
epiglottidean1840
thyro-epiglottic1844
thyro-arytenoid1855
thyroidean1860
thyropharyngean1860
arytenoidal1872
thyropalatine1872
epiglottic1887
thyrolingual1896
thyro-epiglottidean1901
post-cricoid1907
1740 R. Baddam Mem. Royal Soc. VIII. 198 The cricothyroid, and likewise the thyrohyoid muscles appear very plainly.
1798 A. Bell Anatomia Britannica 69 The crico-thyroid, or thyro-cricoid muscles.
1846 Philos. Trans. (Royal Soc.) 136 568 Neither Müller nor Bennati mentions the opening of the crico-thyroid chink on sounding the first note in the falsetto register.
1869 T. H. Huxley Lessons Elem. Physiol. (ed. 3) vii. 204 Accuracy of singing depends upon the precision with which the singer can voluntarily adjust the contractions of the thyro-arytenoid and crico-thyroid muscles.
1878 T. Byrant Pract. Surg. (1879) II. 31 The crico-thyroid arteries.
1930 H. G. Newth Marshall & Hurst's Junior Course Pract. Zool. (ed. 11) xiv. 375 It runs almost directly inwards, passing dorsal to the carotid artery, and ends in branches distributed to the mucous membrane of the larynx, and to the crico-thyroid muscle.
1998 P. Lynch Omega i. ii. 35 The patient had been anesthetized, and a fourth-year surgical resident was cutting through the cricothyroid membrane, seeking to establish an airway without going through the nose or mouth.
B. n.
A cricothyroid muscle.
ΘΚΠ
the world > life > the body > structural parts > muscle > muscles of specific parts > [noun] > muscles of throat
stylopharyngeus1684
cricoarytenoid1827
thyro-arytenoid1855
cricothyroid1857
sternohyoid1873
thyro-cricoid1901
1857 Atlanta Med. & Surg. Jrnl. Nov. 183 When the thyro-arytenoids relax to allow the chords to fall apart, their relaxation diminishes at once the antagonism which they exerted against the crico-thyroids.
1879 Lancet 21 June 879/1 And firstly as to the muscles which are said to be concerned in the longitudinal tension of the cords. These are the crico-thyroids.
1955 R. Macintosh & M. Ostlere Local Analgesia Head & Neck iii. 35 Its motor fibres innervate all the muscles of the larynx except the cricothyroid.
1997 Jrnl. Neurol. Sci. 150 Suppl. S110/2 Injection cf botulinum toxin into the left cricothyroid almost abolished contractions on the left side.
This entry has been updated (OED Third Edition, November 2010; most recently modified version published online June 2022).
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adj.n.1740