Doula: 1. A non-medical assistant in childbirth. A doula is not the father but is usually a woman who is experienced in childbirth. The role of the doula is to provide the mother with physical and emotional assistance before, during, or after childbirth. Also known as a birth assistant, birth companion, childbirth assistant, or labor support professional.
2. A non-professional assistant in dying, someone who is not a doctor, nurse, social worker or minister or a person like that, but is a volunteer. A doula has been somewhat enlightened in the particulars of death and nurtures someone through their final days.
From the Greek doule referring to a woman who was a slave or servant.
- Dowager's hump
Dowager’s hump: An abnormal outward curvature of the thoracic vertebrae of the upper back. Compression of the front portion of the involved vertebrae due to osteoporosis leads to forward bending of the spine (kyphosis) and creates a hump at the upper back. Like most osteoporotic changes, it is often preventable.
- Down syndrome
A common birth defect that is usually due to an extra chromosome 21 (trisomy 21). Down syndrome causes mental retardation, a characteristic facial appearance, and multiple malformations. It occurs most frequently in children born to mothers over age 35. It is associated with a major risk for heart problems, a lesser risk of duodenal atresia […]
- Down syndrome critical region
Down syndrome critical region: (Abbreviated DSCR) A region on the long (q) arm of chromosome 21 thought to be responsible for some, if not all, of the features of Down syndrome. A number of genes in this region may be involved in the production of the Down syndrome phenotype. These genes may include the Down […]
- Down syndrome features
Down syndrome features: Children with Down syndrome have multiple malformations and cognitive impairment due to the presence of extra material from chromosome 21. Among the more common physical features are hypotonia (floppiness), small head with brachycephaly, epicanthic folds across the inside corners of the eyes, upward outward slanting palpebral fissures (eye slits), Brushfield spots in […]
Downregulation: An decrease in the number of receptors on the surface of target cells, making the cells less sensitive to a hormone or another agent. For example, insulin receptors may be downregulated in type 2 diabetes.