crureusn.
/ˈkrʊərɪəs/, U.S. /ˈkrʊriəs/ Anatomy and Zoology. Now rare.
The vastus intermedius muscle, which forms part of the great extensor muscle of the leg, the quadriceps femoris (see quadriceps n.), and which originates from the upper part of the shaft of the femur and covers its anterior surface. Also crureus muscle.
ΚΠ
1615 H. Crooke Μικροκοσμογραϕια x. vi. 744 The Legge hath foure benders called postici or the posterne mucles, and so many stretchers, the right, the 2. Vast & the Crureus.
1668 N. Culpeper & A. Cole tr. T. Bartholin Anat. (new ed.) iv. xii. 168/2 The fourth is the Crureus, fixed to the Thigh bone, as the Brachiæus is to the Brachium.
1740 W. Beckett Pract. Surg. 133 On which Account the Rotula was drawn somewhat out of its Place, by the Action of the Rectus, Vastus externus, Vastus internus, and Crureus.
1793 J. Bell Anat. Bones, Muscles, & Joints ii. viii. 353 The rectus is united at the sides to the vasti, at the back part to the cruræus; and its tendon, along with that of the cruræus, goes to be directly implanted into the rotula of the knee.
1828 J. Quain Elements Anat. iv. 201 The rectus, vasti, and crureus, are named by Soemmering quadriceps extensor.
1893 H. Morris Human Anat. 387 Numerous branches from the anterior crural [nerve] are distributed to the upper half of the front of the crureus muscle.
1925 Brit. Med. Jrnl. 9 May 885/2 He had plated the fragments and made use of an anterior root by splitting the cruraeus.
1975 Biochem. Jrnl. 151 101/2 The light chains of myosin isolated from both soleus and crureus muscles of the rabbit migrated as three bands.
This is a new entry (OED Third Edition, June 2012; most recently modified version published online March 2022).
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