SKY (spectral karyotype)
A visualization of all of the chromosomes in the genome all together with each chromosome labeled with a different color. The SKY technique is useful for identifying chromosome abnormalities.
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- Slake
1. To satisfy or quench. As, for example, she drank some water to slake her thirst. 2. To mix with water, to hydrate. As, for example, to slake lime.
- Slanted ear
An ear that is slanted more than usual. Technically, an ear is slanted when the angle of the slope of the auricle is more than 15 degrees from the perpendicular. Considered a minor anomaly. The presence of 2 or more minor anomalies in a child increases the probability that the child has a major malformation.
- SLE (systemic lupus erythematosus)
positive ANA antibody testing The treatment of SLE is directed toward decreasing inflammation and/or the level of autoimmune activity. Persons with SLE can help prevent “flares” of disease by avoiding sun exposure and by not abruptly discontinuing medications.
- Sleep
Level 1 sleep is a transition period between sleep and wakefulness; Level 2 sleep features significant slowing of heartbeat and breathing, and makes up about 50 percent of all sleep; and Level 3 and 4 (Delta) sleep are marked by very slow respiration and heartbeat. Level 4 sleep leads to rapid eye movement (REM) sleep, […]
- Sleep apnea, central
A breathing disorder characterized by brief interruptions of breathing during sleep. Central sleep apnea occurs when the brain fails to send the appropriate signals to the breathing muscles to initiate respirations. Central sleep apnea is less common than obstructive sleep apnea. Diagnosis is by observation, patient history, and polysomnography. Treatment depends on the patient’s medical […]