Medical dictionary. 2011.
Iris, speckled — Due to little white (or lightly colored) spots that are slightly elevated on the surface of the iris. These spots, arranged in a ring concentric with the pupil, occur in normal children but are far more frequent in Down’s syndrome (trisomy 21).… … Medical dictionary
Brushfield’s spots — Speckled iris. Little white spots that slightly elevated on the surface of the iris arranged in a ring concentric with the pupil. These spots occur in normal children but are far more frequent in Down’s syndrome (trisomy 21). They were described… … Medical dictionary
Spots, Brushfield’s — Speckled iris. Little white spots that slightly elevated on the surface of the iris and are arranged in a ring concentric with the pupil. These spots occur in normal children but are far more frequent in Down’s syndrome (trisomy 21). They were… … Medical dictionary
Down's syndrome — a condition resulting from a genetic abnormality in which an extra chromosome is present (there are three no. 21 chromosomes instead of the usual two), giving a total of 47 chromosomes rather than the normal 46. The chances of having a Down s… … Medical dictionary
Down's syndrome — Down syndrome a condition resulting from a chromosomal abnormality most commonly due to the presence of three copies of chromosome 21 (trisomy 21), which is most likely to occur with advanced maternal age. Down s syndrome can also occur as a… … The new mediacal dictionary
List of Asian birds — This list of Asian birds is a listing of all the bird species known from the continent of Asia.NotesThe taxonomy of this list adheres to James Clements Birds of the World: A Checklist , and reflects all changes to that work until July, 2005.… … Wikipedia
Fées de Cottingley — Panneau (signpost) du village de Cottingley, faisant référence aux fées. Les fées de Cottingley, ou l’affaire des fées de Cottingley, fait référence à une célèbre série de cinq photographies prises au début du XXe siècle par Elsie Wright et … Wikipédia en Français
List of birds of Brazil — Brazil has one of the richest bird diversities in the world, with more than 1700 species of birds, about 57% of the bird species recorded for all of South America. These numbers are still increasing, almost every year, due to new occurrences or… … Wikipedia
List of birds of Ecuador — This is a list of the bird species recorded in Ecuador. The avifauna of Ecuador includes a total of 1663 species, of which 16 are endemic, 2 have been introduced by humans, and 19 are rare or accidental. 77 species are globally threatened.This… … Wikipedia
List of birds of Peru — This is a list of the bird species recorded in Peru. The avifauna of Peru includes a total of 1879 species, of which 139 are endemic, 3 have been introduced by humans, and 72 are rare or accidental. 91 species are globally threatened.This list s… … Wikipedia
