Category: S

A position halfway between supination and pronation.  

The deep layer of muscle of the back on either side of the spinal column. It is divided into the following three parts: the semispinalis capitis, semispinalis cervicis, and semispinalis thoracis.  

Reclining, but not fully recumbent.  

A semiprone position.  

The study of signs and symbols in language.  

One of the leaflets of the aortic valve between the left ventricle and the aorta or of the pulmonary valve between the right ventricle and the pulmonary artery.  

Halfway between flexion and extension of a limb.  

During puberty, the beginning of the production of semen.  

A childhood language disorder in which speech is fluent and complex but inappropriate to the meaning or context of a conversation.  

The application of digital pressure to the cricoid cartilage in the neck in an unconscious patient to reduce gastric distention and passive regurgitation during positive pressure ventilation, and to improve visualization of the glottic opening during endotracheal intubation.