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Medical genetics. Crouzon syndrome is an autosomal dominant genetic disorder known as a branchial arch syndrome. Specifically, this syndrome affects the first branchial (or pharyngeal) arch, which is the precursor of the maxilla and mandible. Because the branchial arches are important developmental features in a growing embryo, disturbances in ...
Apert syndrome is a form of acrocephalosyndactyly, a congenital disorder characterized by malformations of the skull, face, hands and feet. It is classified as a branchial arch syndrome, affecting the first branchial (or pharyngeal) arch, the precursor of the maxilla and mandible. Disturbances in the development of the branchial arches in fetal ...
Chromosome 10 is one of the 23 pairs of chromosomes in humans. People normally have two copies of this chromosome. ... craniofacial dysostosis 1, Crouzon syndrome ...
Genetics. Mutations in the FGFR3 gene cause Crouzonodermoskeletal syndrome. The protein made by the FGFR3 gene is a receptor that plays a role in the development and maintenance of bone and brain tissue. Researchers do not know how a mutation in FGFR3 leads to the characteristic features of this disorder, but changes in the receptor appear to ...
Medical genetics. Acrocephalosyndactyly is a group of congenital conditions characterized by irregular features of the face and skull ( craniosynostosis) and hands and feet ( syndactyly ). [1] Craniosynostosis occurs when the cranial sutures, the fibrous tissue connecting the skull bones, fuse the cranial bones early in development.
Pierre Robin sequence (/ p j ɛər r ɔː ˈ b æ̃ /; abbreviated PRS) is a congenital defect observed in humans which is characterized by facial abnormalities.The three main features are micrognathia (abnormally small mandible), which causes glossoptosis (downwardly displaced or retracted tongue), which in turn causes breathing problems due to obstruction of the upper airway.
Achondroplasia. Achondroplasia is a genetic disorder with an autosomal dominant pattern of inheritance whose primary feature is dwarfism. [3] It is the most common cause of dwarfism [4] and affects about 1 in 27,500 people. [3] In those with the condition, the arms and legs are short, while the torso is typically of normal length. [3]
View/Edit Mouse. Fibroblast growth factor receptor 2 ( FGFR2) also known as CD332 ( cluster of differentiation 332) is a protein that in humans is encoded by the FGFR2 gene residing on chromosome 10. [5] [6] FGFR2 is a receptor for fibroblast growth factor . The protein encoded by this gene is a member of the fibroblast growth factor receptor ...
There are some genetic syndromes, in which hearing loss is one of the known characteristics. Some examples are Down syndrome (aneuploidy), Usher syndrome (autosomal recessive), Treacher Collins syndrome (autosomal dominant), Crouzon syndrome (autosomal dominant), and Alport syndrome (X-linked). Other causes of congenital hearing loss
A chromosome is a package of DNA with part or all of the genetic material of an organism. In most chromosomes, the very long thin DNA fibers are coated with nucleosome -forming packaging proteins; in eukaryotic cells the most important of these proteins are the histones. These proteins, aided by chaperone proteins, bind to and condense the DNA ...