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Signal Interpretation Computer Assisted -- See Signal Processing, Computer-Assisted


Computer-assisted processing of electric, ultrasonic, or electronic signals to interpret function and activity.
  1
 

Signal Pathways -- See Signal Transduction


The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway.
  1
 

Signal Processing Digital -- See Signal Processing, Computer-Assisted


Computer-assisted processing of electric, ultrasonic, or electronic signals to interpret function and activity.
  1
Signal Transduction   2
Signal Transduction Physiology   2011 1
Signs And Symptoms   10
Signs And Symptoms Handbooks   3
 

Signs And Symptoms Neurobehavioral -- See Neurobehavioral Manifestations


Signs and symptoms of higher cortical dysfunction caused by organic conditions. These include certain behavioral alterations and impairments of skills involved in the acquisition, processing, and utilization of knowledge or information.
  1
Signs And Symptoms Statistics   2006 1
Sikkim : McKay, Alex.  2007 1
 

Silica -- See Silicon Dioxide


Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, QUARTZ, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid.
  1
Silicon Dioxide Therapeutic Use   2
 

Silicone Elastomers -- See Also Breast Implants


Implants used to reconstruct and/or cosmetically enhance the female breast. They have an outer shell or envelope of silicone elastomer and are filled with either saline or silicone gel. The outer shell may be either smooth or textured.
  1
 

Silicone Gels -- See Also Breast Implants


Implants used to reconstruct and/or cosmetically enhance the female breast. They have an outer shell or envelope of silicone elastomer and are filled with either saline or silicone gel. The outer shell may be either smooth or textured.
  1
Silicone Gels : Jacobson, Nora,  2000 1
 

Silk -- See Also Sutures


Materials used in closing a surgical or traumatic wound. (From Dorland, 28th ed)
  1
 

Simian Retroviruses -- See Retroviruses, Simian


Classes of retroviruses for which monkeys or apes are hosts. Those isolated from the West African green monkey and the Asian rhesus macaque monkey are of particular interest because of their similarities to viruses causing cancer and acquired immunodeficiency syndrome (AIDS) in humans.
  1
Simulation Training : Codier, Estelle,  2016 1
 

Sin -- See China


  1
Singapore   2016 1
 

Singing -- See Also Music


Sound that expresses emotion through rhythm, melody, and harmony.
  1
Singing : Chapman, Janice L.,  2017 1
Singing Physiology : Ragan, Kari,  2020 1
Single Parent   2
 

Single Parent Family -- See Also Single Parent


A natural, adoptive, or substitute parent of a dependent child, who lives with only one parent. The single parent may live with or visit the child. The concept includes the never-married, as well as the divorced and widowed.
  1
Single Parent Family : Maass, Vera Sonja.  2000 1
Single Parent United States Popular Works : Blankenhorn, David.  1995 1
Single People : Ginsburg, Genevieve Davis.  1987 1
Single People Psychology : AndrĂ©, Rae.  1991 1
 

Single Person -- See Also Widowhood


The state of having lost a marital partner by death.
  1
Single Person   2
Single Person Case Reports : Morawetz, Anita,  1984 1
Single Person Health And Hygiene   2000 1
 

Single Photon Emission Computed Tomography -- See Tomography, Emission-Computed, Single-Photon


A method of computed tomography that uses radionuclides which emit a single photon of a given energy. The camera is rotated 180 or 360 degrees around the patient to capture images at multiple positions along the arc. The computer is then used to reconstruct the transaxial, sagittal, and coronal images from the 3-dimensional distribution of radionuclides in the organ. The advantages of SPECT are that it can be used to observe biochemical and physiological processes as well as size and volume of the organ. The disadvantage is that, unlike positron-emission tomography where the positron-electron annihilation results in the emission of 2 photons at 180 degrees from each other, SPECT requires physical collimation to line up the photons, which results in the loss of many available photons and hence degrades the image.
  1
 

Sinonasal Tract -- See Paranasal Sinuses


Air-filled spaces located within the bones around the NASAL CAVITY. They are extensions of the nasal cavity and lined by the ciliated NASAL MUCOSA. Each sinus is named for the cranial bone in which it is located, such as the ETHMOID SINUS; the FRONTAL SINUS; the MAXILLARY SINUS; and the SPHENOID SINUS.
  1
Sinusitis Popular Works : Metson, Ralph B.  2005 1
Sisters Of Charity Of St Vincent De Paul : Burton, Katherine,  1940 1
 

Situational Therapy -- See Milieu Therapy


A treatment program based on manipulation of the patient's environment by the medical staff. The patient does not participate in planning the treatment regimen.
  1
 

Sivdad De Mueva York N Y -- See New York (N.Y.)


  1
 

Sivdad De Muevah York N Y -- See New York (N.Y.)


  1
 

Sjedinjene Americke Drzave -- See United States


  1
Sjogren Henrik 1899 1986 : Dyson, Sue.  2005 1
Sjogrens Syndrome Popular Works : Dyson, Sue.  2005 1
Sjogrens Syndrome Therapy Popular Works : Dyson, Sue.  2005 1
 

Skeletal Muscle -- See Muscle, Skeletal


A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles.
  1
 

Skeletal Muscle Enlargement -- See Also Muscle, Skeletal


A subtype of striated muscle, attached by TENDONS to the SKELETON. Skeletal muscles are innervated and their movement can be consciously controlled. They are also called voluntary muscles.
  1
 

Skeleton -- See Also Bone and Bones


A specialized CONNECTIVE TISSUE that is the main constituent of the SKELETON. The principal cellular component of bone is comprised of OSTEOBLASTS; OSTEOCYTES; and OSTEOCLASTS, while FIBRILLAR COLLAGENS and hydroxyapatite crystals form the BONE MATRIX.

--consider also terms at OSSI- OSTE-
  1
Skeleton   7
Skeleton Juvenile Literature   1995 1
 

Skid Row Alcoholics -- See Alcoholics


Persons who have a history of physical or psychological dependence on ETHANOL.
  1
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