anterior rectus muscle of head
anterior rectus muscle of head n.
A muscle with origin from the transverse process and the lateral mass of the atlas, with insertion into the basilar process of the occipital bone, with nerve supply from the first and second cervical nerve, and whose action turns and inclines the head forward.
- Anterior rhinoscopy
anterior rhinoscopy anterior rhinoscopy n. Examination of the anterior portion of the nasal cavity.
- Anterior scalene muscle
anterior scalene muscle anterior scalene muscle n. A muscle with origin from the anterior tubercles of the transverse processes of the third to the sixth cervical vertebrae, with insertion into the scalene tubercle of the first rib, with nerve supply from the cervical plexus, and whose action raises the first rib.
- Anterior scrotal nerve
anterior scrotal nerve anterior scrotal nerve n. Any of the branches of the ilioinguinal nerve distributed to the skin of the root of the penis and to the front surface of the scrotum.
- Anterior scleritis
anterior scleritis anterior scleritis n. Inflammation of the sclera adjoining the limbus of the cornea and appearing as a dark red or bluish swelling.