Date, expiration: The date for a drug estimated for its shelf life with proper storage in sealed containers away from harmful and variable factors like heat and humidity.
The expiration date of a medicine is based on data, called accelerated stability data, from testing by the manufacturer, that show the product will be good for a particular period of time.
Daughter: 1. A female offspring. 2. A female adopted child. 3. A product of radioactive decay. 4. A cell resulting from cell division.
- Day sight
Day sight: Night blindness. Listed in medical dictionaries under “Nyctalopia” from the Greek “nyct’ (night) + “aloas” (obscure or blind) + “opsis” (vision), the condition involves impaired vision in dim light and in the dark (but normal sight in bright light), due to impaired function of specific vision cells (the “rods”) in the retina. Day […]
DBT: Dialectical behavioral therapy. Developed by Marsha Linehan for treatment of borderline personality disorder.
DCIS: Ductal carcinoma in situ. A precancerous condition characterized by the clonal proliferation of malignant-looking cells in the lining of a breast duct without evidence of spread outside the duct to other tissues in the breast or outside the breast. DCIS is clearly the precursor (forerunner) of invasive breast cancer. This is evident from the […]
- DDH (developmental dislocation of the hip)
DDH (developmental dislocation of the hip): The abnormal formation of the hip joint in which the ball at the top of the thighbone (the femoral head) is not stable within the socket (the acetabulum). The ligaments of the hip joint may also be loose and stretched. The degree of instability or looseness varies. A baby […]