Category: S

  • Silver nitrate poisoning

    Toxicity resulting from repeated exposure to silver compounds, marked by a bluish pigmentation of the skin or occasionally of the eyes. In the past, many medications contained biologically available silver; the incidence of this intoxication now, however, is very low.  

  • Scombroid fish poisoning

    Intoxication due to eating raw or inadequately cooked fish of the suborder Scombroidea, such as tuna and mackerel, as well as certain non-scombroid fish, including amberjack, mahimahi, and bluefish. Certain bacteria act on the fish after they are caught to produce a histamine-like toxin. Therefore, these fish should be either properly cooked and eaten shortly…

  • Supra-auricular point

    The point on the skull on the posterior root of the zygomatic process of the temporal bone, directly above the auricular point.  

  • Subnasal point

    The center of the base of the anterior nasal spine.  

  • Silver point

    An elongated, tapered silver plug used to fill the root canal in the endodontic treatment of teeth.  

  • Secondary pneumonia

    Pneumonia that occurs in connection with a specific systemic disease such as typhoid, diphtheria, or plague.  

  • Semilunar plica of the colon

    The transverse fold of mucosa of the large intestine lying between sacculations.  

  • Submucous plexor

    A ganglionated neural network of the enteric nervous system. It is a collection of small connected neural ganglia found in the gut wall from the stomach to the internal anal sphincter.  

  • Sacral plexor

    A nerve plexus formed by the ventral branches of the fourth and fifth lumbar nerves and the first four sacral nerves, from which the sciatic nerve originates.  

  • Salicylic acid plaster

    A uniform mixture of salicylic acid spread on an appropriate base such as paper, cotton, or fabric. It is applied topically for use as a keratolytic agent.