Category: S

  • Spermatic vein

    One of two veins draining the testes. The right one empties into the inferior vena cava, the left into the left renal vein. In the spermatic cord, each forms a dilated pampiniform plexus.  

  • Speedball

    A slang term for a combination of cocaine and heroin taken intravenously.  

  • Speech synthesizer

    An electronic device for producing speech. Activated by a keyboard, it permits persons lacking the ability to speak to communicate.  

  • Speech recognition

    The ability of a machine or computer to interpret human speech. Also known as voice recognition and speech understanding.  

  • Speech processor

    A miniature computer within a cochlear implant that analyzes sounds and converts them into digital signals.  

  • Speech delay

    Any disorder of childhood in the acquisition and use of spoken language.  

  • Speech and language pathologist

    A health care professional trained to evaluate and treat people who have voice, speech, language, swallowing, or hearing disorders, esp. those that affect their ability to communicate or consume food.  

  • Speech abnormality

    Any disorder, dysfunction, or impairment of speech. Speech abnormalities include expressive and receptive aphasias, dysarthrias, labialism, stammering, stuttering, and word deafness.  

  • Scamping speech

    Speech characterized by omission of consonants or syllables when the person is unable to pronounce them.  

  • Eye spectrum

    A device for separating the eyelids. Plated steel wire, plain, Luer’s, Von Graefe’s, and Steven’s are the most common types.