... and CD8). The final stage in maturation is the single
positive stage (positive for either CD4 or CD8). ...
Positive selection, negative selection
CD4+CD8- or CD4-CD8+
... Both of these thymocytes types are known as single
Negative selection ...
... and recovery. Often, beginning to end takes three years .  A single
body lifting operation can require seven to 10 hours under general ... scars.” But skin relaxation is always a risk and may not be stopped with a single
procedure.  Reputable plastic surgeons will explain all the risks and ...
Depolarization-induced suppression of inhibition
... (i.e. a 300-400 µm slice of brain, with intact axons and synapses) where a single
neuron is "depolarized" (the normal −70 mV potential across the neuronal ... inhibitory post-synaptic currents ( IPSCs ), caused by the release of a single
pre-synaptic vesicle filled with GABA, remained unchanged and 2) The ...
... sounds like. All episodic memories concerning your dog will reference this single
semantic representation of "dog" and, likewise, all new experiences with your dog will modify your single
semantic representation of your dog.
Some researchers believe that ...
... the task say the perfect deposit of fat cells is about the size of a single
pearl or a pea ; the drops are placed in long rows. After the ... two millimeter incisions in each breast. (One millimeter is the width of a single
line drawn by a ballpoint pen.) Blunt syringes and cannulas are used to ...
... likely that a patient has several common diseases, rather than having a single
rarer disease which explains the myriad of their symptoms. Another key ... categories of diagnosis may indeed have independent causes rather than a single
source, i.e. may be due to separate events or combinations of events to ...
... , medical research and surgery , thereby covering the challenges of disease and injury .
The Rod of Asclepius , with its single
snake, is an ancient Greek symbol associated with medicine. The American Medical Association , the American Osteopathic Association , the Royal ...
... R.L., Kennedy, J.L., Sadovnick, A.D., Remick, R.A. & Keck, P.E, McElroy, S L, Alexander, L., Shaw, S.H., & Kelsoe, J. (2003) Evidence that a single
nucleotide polymorphism in the promoter of the G protein receptor kinase 3 gene is associated with bipolar disorder. Molecular Psychiatry, 8, ....
... inside the body is usually detected using a gamma camera . Traditionally, gamma-cameras have consisted of a gamma-ray detector, such as a single
large thallium-doped sodium iodide NaI(Tl) scintillation crystal, coupled with an imaging sub-system such as an array of photomultiplier tubes ...
Positive predictive value
... that in case of a positive test, that the patient really has the specified disease. However there may be more than one cause for a disease and any single
potential cause may not always result in the overt disease seen in a patient.
An example is the microbiological throat swab used in patients with a ...
... cycling is characterized by more than four mood states within a year. Often these mood states occur within the space of a few weeks or even a single
day. These oscillations, cycles, may last for several hours, a few days, or even weeks. While our current understanding looks to the presence of both ...