I had rather eat a sirloin of beef than know what they call the psoas muscle.
Blood-staining of psoas sheath; no injury to vertebral column or to bowel detected.
If the subjacent iliac and psoas muscles be implicated, the thigh is flexed upon the leg in decubitus.
In psoas abscesses the exudation extends beneath the sheath of the muscle or between the iliacus and the bone.
Hyperæsthesia developed in more than one case in which injury to the psoas had led to hæmorrhage into the muscle sheath.
This boy died before he was 20, with a psoas abscess, and I remember crying myself to sleep the night I learned of his death.
In one pound weight of the psoas muscles Fleming counted no less than 300 Cysticerci.
The most common situations in which it has occurred in the ration meat have been the gluteal, psoas, and lumbar regions.
1680s, from Greek psoa (plural psoai) "muscles of the loins." Related: Psoitis.
Gk. [psoas], the gen. of the feminine noun [psoa], was mistaken by the French anatomist Jean Riolan (1577-1657) for the nom. of a (nonexistent) masculine noun. It was he who introduced this erroneous form into anatomy." [Klein]