ectodermal$23800$ - meaning and definition. What is ectodermal$23800$
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What (who) is ectodermal$23800$ - definition

HUMAN DISEASE
Ectodermal Dysplasia; Dermal dysplasia; Dermal Dysplasia; Ectodermal dysplasias; Dermoodontodysplasia; Pure hair–nail type of ectodermal dyplasia; Pure hair–nail type of ectodermal dysplasia; Pure hair-nail type of ectodermal dyplasia; Pure hair-nail type of ectodermal dysplasia
  • Dental abnormalities in a 5-year-old girl from north Sweden family who had various symptoms of autosomal dominant hypohidrotic ectodermal dysplasia (HED):<br>
a) Intraoral view. Note that the upper incisors have been restored with composite material to disguise their original conical shape.<br>
b) Orthopantomogram showing absence of ten primary and eleven permanent teeth in the jaws of the same individual.

Ectodermal dysplasia         
Ectodermal dysplasia (ED) is a group of genetic syndromes all deriving from abnormalities of the ectodermal structures.James, William; Berger, Timothy; Elston, Dirk (2005).
Hay–Wells syndrome         
Hay–Wells syndrome (also known as AEC syndrome; see Naming) is one of at least 150 known types of ectodermal dysplasia. These disorders affect tissues that arise from the ectodermal germ layer, such as skin, hair, and nails.
Apical ectodermal ridge         
CRITICAL COMPONENT OF VERTEBRATE LIMB DEVELOPMENT. IT CONTROLS LIMB DISTAL OUTGROWTH.
Apical Ectodermal Ridge; Apical ridge
The apical ectodermal ridge (AER) is a structure that forms from the ectodermal cells at the distal end of each limb bud and acts as a major signaling center to ensure proper development of a limb. After the limb bud induces AER formation, the AER and limb mesenchyme—including the zone of polarizing activity (ZPA)—continue to communicate with each other to direct further limb development.

Wikipedia

Ectodermal dysplasia

Ectodermal dysplasia (ED) is a group of genetic syndromes all deriving from abnormalities of the ectodermal structures.: 570  More than 150 different syndromes have been identified.

Despite some of the syndromes having different genetic causes, the symptoms are sometimes very similar. Diagnosis is usually by clinical observation, often with the assistance of family medical histories so that it can be determined whether transmission is autosomal dominant or recessive.

Ectodermal dysplasias are described as "heritable conditions in which there are abnormalities of two or more ectodermal structures such as the hair, teeth, nails, sweat glands, salivary glands, cranial-facial structure, digits and other parts of the body."