any of several muscles in the front part of the thigh constituting part of the quadriceps muscle, the action of which assists in extending the leg.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use vastus in a sentence
Ossification in the crureus or vastus lateralis muscle has been frequently observed as a result of a kick from a horse.Manual of Surgery | Alexis Thomson and Alexander Miles
Nothing but the musculus vastus externus is so much as touched.Fathers and Sons | Ivan Sergeevich Turgenev
vastus animus immoderata, incredibilia, nimis alta semper cupiebat.De Bello Catilinario et Jugurthino | Caius Sallustii Crispi (Sallustius)
In the dog and the cat the vastus externus is the most voluminous of the three portions which constitute the triceps muscle.Artistic Anatomy of Animals | douard Cuyer
The two fasciculi then pass towards the knee, being in relation with the rectus and the vastus internus of the triceps.Artistic Anatomy of Animals | douard Cuyer