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TZID:Europe/Vienna
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DTSTART:20190331T030000
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DTSTART:20181028T020000
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BEGIN:VEVENT
DTSTAMP:20260405T192617Z
UID:1541430000@ist.ac.at
DTSTART:20181105T160000
DTEND:20181105T170000
DESCRIPTION:Speaker: Michel Milinkovitch\nhosted by Carl-Philipp Heisenberg
 \nAbstract: Using our recent research results in non-model species of mamm
 als and reptiles\, I will discuss the possibility that some specific aspec
 ts of skin morphology in vertebrates are emerging from geometric\, reactio
 n-diffusion (Turing)\, and mechanical instabilities. I will illustrate the
 se concepts with three examples. First\, I will show that skin thickness v
 ariation (generated by 3D morphogenesis) of skin scales in ocellated lizar
 ds causes the underlying reaction–diffusion dynamics to separate into mi
 croscopic and mesoscopic spatial scales\, the latter generating a cellular
  automaton that computes a colour pattern. Second\, and third\, I will com
 pare the cases of crocodilian and African elephant skins\, with the former
  developing head scales through a selforganisational process possibly anal
 ogous to material cracking\, whereas the latter exhibits an intricate netw
 ork of true cracks generated by bending stress in the stratum corneum.
LOCATION:Raiffeisen Lecture Hall\, Central Building\, ISTA
ORGANIZER:arinya.eller@ist.ac.at
SUMMARY:Michel Milinkovitch: Patterning of the vertebrate skin through mech
 anical and Turing instabilities
URL:https://talks-calendar.ista.ac.at/events/712
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