Directed DNA sequencing
Directed DNA sequencing: Successively sequencing DNA from adjacent stretches of a chromosome.
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- DHA
DHA: 1. Docosahexaenoic acid, an essential fatty acid, thought to be important to the development of infants, particularly as regards their eyes and brain. DHA is present in breast milk and has been added to some infant formulas. Postnatal DHA may improve vision and some cognitive functions in infants and toddlers. DHA is an omega-3, […]
- Disaster supplies kit
Disaster supplies kit: Items stored in case of emergency, such as a prolonged power outage, earthquake, or flood. You and your family can cope best by preparing for disaster before it strikes. One way to prepare is by assembling a Disaster Supplies Kit. Once disaster hits, you won’t have time to shop or search for […]
- Disc
Disc: Shortened terminology for an intervertebral disc, a disk-shaped piece of specialized tissue that separates the bones of the spinal column. The center of a disc, called the nucleus, is soft, springy and receives the shock of standing, walking, running, etc. The outer ring of the disc, called the annulus (Latin for ring), provides structure […]
- Disc, cervical
Disc, cervical: A disk shaped piece of specialized tissue that separates the vertebral bones of the spinal column in the neck. The center of the disc, which is called the nucleus, is soft, springy and receives the shock of standing, walking, running, etc. The outer ring of the disc, which is called the annulus (Latin […]
- Disc, optic
Disc, optic: The circular area in the back of the inside of the eye where the optic nerve connects to the retina. Also called the optic nerve head.