Spontaneous combustion or spontaneous ignition is a type of combustion which occurs by self-heating (increase in temperature due to exothermic internal...
Spontaneous human combustion (SHC) is the pseudoscientific concept of the spontaneous combustion of a living (or recently deceased) human body without...
Spontaneous generation is a superseded scientific theory that held that living creatures could arise from nonliving matter and that such processes were...
A spontaneous orgasm, or spontaneous ejaculation when it occurs in males, is an orgasm which occurs spontaneously and involuntarily without sexual stimulation...
Spontaneous emission is the process in which a quantum mechanical system (such as a molecule, an atom or a subatomic particle) transits from an excited...
Spontaneous remission, also called spontaneous healing or spontaneous regression, is an unexpected improvement or cure from a disease that usually progresses...
Spontaneous symmetry breaking is a spontaneous process of symmetry breaking, by which a physical system in a symmetric state spontaneously ends up in an...
In thermodynamics, a spontaneous process is a process which occurs without any external input to the system. A more technical definition is the time-evolution...
Miscarriage, also known in medical terms as a spontaneous abortion, is the death and expulsion of an embryo or fetus before it can survive independently...
Spontaneous fission (SF) is a form of radioactive decay in which a heavy atomic nucleus splits into two or more lighter nuclei. In contrast to induced...
Spontaneous order, also named self-organization in the hard sciences, is the spontaneous emergence of order out of seeming chaos. The term "self-organization"...
primary spontaneous pneumothorax is one that occurs without an apparent cause and in the absence of significant lung disease. A secondary spontaneous pneumothorax...
A spontaneous breathing trial is a test for patients on mechanical ventilation, before they can be weaned from the ventilator, i.e. return to normal breathing...
more holes or tears in the dura mater. A CSF leak is classed as either spontaneous (primary), having no known cause (sCSF leak), or nonspontaneous (secondary)...
Spontaneous conception is the conception and birth of a child naturally, without the use of in vitro fertilisation or other forms of assisted reproductive...
Chronic spontaneous urticaria (CSU) also known as Chronic idiopathic urticaria (CIU) is defined by the presence of wheals, angioedema, or both for more...
while the rest of the collected light is dispersed onto a detector. Spontaneous Raman scattering is typically very weak; as a result, for many years...
volumes. Kerouac is recognized for his style of stream of consciousness spontaneous prose. Thematically, his work covers topics such as his Catholic spirituality...
damage that could be or has been caused. Implied causality refers to spontaneously reported AE cases where the causality is always presumed to be positive...
smells are also associated with poltergeist occurrences, as well as spontaneous fires and different electrical issues such as flickering lights. These...
Spontaneous magnetization is the appearance of an ordered spin state (magnetization) at zero applied magnetic field in a ferromagnetic or ferrimagnetic...
Hypoglycemia, also called low blood sugar, is a fall in blood sugar to levels below normal, typically below 70 mg/dL (3.9 mmol/L). Whipple's triad is used...
birth Different types of vaginal deliveries have different terms: A spontaneous vaginal delivery (SVD) occurs when a pregnant woman goes into labor without...
different glazing applications. Spontaneous glass breakage is a phenomenon by which toughened glass (or tempered) may spontaneously break without any apparent...
arousal, sexual attraction or libido, although erections can also be spontaneous. The shape, angle, and direction of an erection vary considerably between...
Spontaneous bacterial peritonitis (SBP) is the development of a bacterial infection in the peritoneum, despite the absence of an obvious source for the...
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