Category: S

  • Spleen

    Organ that filters blood and prevents infection. The Chinese word for Spleen is Pi. The Spleen is one of the five Zang Fu. The Spleen system is responsible for extracting “good Qi” from food and for distributing this good Qi throughout the body. This function is referred to as “transformation and transportation.” The Stomach, Small…

  • Spermidine

    An important polyamine in DNA synthesis and gene expression.  

  • Spermatorrhoea

    Medically an involuntary ejaculation/drooling of semen usually nocturnal emissions. Involuntary escape of semen, without orgasm. The discharge of a large amount of semen frequently and without an orgasm. The passage of semen without erection of the penis or orgasm.  

  • Spasmolytic

    Checking spasms or cramps. Relaxes muscles. Antispasmodic. A drug which relieves muscle spasms. A drug that relieves spasm of smooth muscle, e.g. aminophylline, papaverine, or piperidolate. Spasmolytics may be used as bronchodilators to relieve spasm in bronchial muscle, to stimulate the heart in the treatment of angina, or to relieve colic due to spasm of…

  • SOS response

    A global response to DNA damage in which the cell cycle is arrested and DNA repair and mutagenesis are induced. The “switching on” of genetic repair machinery in this bacteria when its DNA has been damaged (e.g., by radiation).  

  • Soporific

    A sleep inducing drug. Producing sleep. A substance that induces or promotes sleep. Agent that induces sleep. A drug that produces deep sleep. A drug which makes a person go to sleep. To a substance or process that causes sleep. A substance that triggers deep and profound sleep.  

  • Somites

    Mesodermal structures formed during embryonic development that give rise to segmented body parts such as the muscles of the body wall. Any of the paired segmented divisions of mesoderm that develop along the length of the early embryo. The somites differentiate into voluntary muscle, bones, connective tissue, and the deeper layers of the skin. Embryonic…

  • Soleus muscle

    Smaller calf muscle lower down the leg and under the gastrocnemius muscle. Muscle of the foot that I causes plantar flexion when contracted.  

  • Sodium (Na)

    Is an essential nutrient required for health. Sodium cations are important in neuron (brain and nerve) function, and in influencing osmotic balance between cells and the interstitial fluid and in maintenance of total body fluid homeostasis. Extra intake may cause a harmful effect on health. Sodium is naturally supplied by salt intake with food. An…

  • SOD

    Superoxide dismutase, is an enzyme that repairs cells and reduces the damage done to them by superoxide, the most common free radical in the body.