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Polydactyly also occurs in modern extant reptiles [82] and amphibians. [83] Polydactyly was a non-pathological, reacquired condition in extinct marine reptiles such as ichthyosaurs and hupehsuchians, some of which containing upwards of ten digits within their flippers. [84]
Young–Madders syndrome, alternatively known as Pseudotrisomy 13 syndrome or holoprosencephaly–polydactyly syndrome, is a genetic disorder resulting from defective and duplicated chromosomes which result in holoprosencephaly, polydactyly, facial malformations and intellectual disability, with a significant variance in the severity of symptoms being seen across known cases. [1]
The polydactyly in these largely aquatic animals is not to be confused with polydactyly in the medical sense, i.e. it was not an anomaly in the sense it was not a congenital condition of having more than the typical number of digits for a given taxon. [1] Rather, it appears to be a result of the early evolution from a limb with a fin rather ...
Living Reviews is an open access journal series, which publishes regularly updated peer-reviewed review articles in various fields of science. Its concept of "living" articles takes advantage of web-based electronic publishing and allows authors to update their articles with the latest developments and research findings.
Various unicellular and multicellular species, including some vertebrates, achieve this state either throughout their existence or after living long enough. A biologically immortal living being can still die from means other than senescence, such as through injury, poison, disease, predation, lack of available resources, or changes to environment.
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Forever Young is a 2023 science-fiction-romance film directed by Henk Pretorious and written by Pretorious, Jennifer Nicole Stang and Greg Blyth. It stars Bernard Hill , Diana Quick , Stephanie Beacham , Amy Tyger and Mark Jackson and was released at film festivals on 12 June 2023 and then digitally on 26 January 2024.
"Forever Young" took parts of Europe by storm, peaking in November 1984 at the number four spot on the top 100 singles list in the band's home country of Germany.