Frietson Galis
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Explore the profile of Frietson Galis including associated specialties, affiliations and a list of published articles.
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37
Citations
482
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Recent Articles
1.
Cuxart-Erruz R, Van Dooren T, van der Geer A, Galis F
Proc Natl Acad Sci U S A
. 2024 Sep;
121(39):e2406670121.
PMID: 39284067
Mammals as a rule have seven cervical vertebrae, a number which remains remarkably conserved. Occasional deviations of this number are usually due to the presence of cervical ribs on the...
2.
Galis F, Van Dooren T, van der Geer A
Evol Dev
. 2022 Nov;
24(6):196-210.
PMID: 36316803
Mammals almost always have seven cervical vertebrae. The strong evolutionary constraint on changes in this number has been broken in sloths and manatees. We have proposed that the extremely low...
3.
Varela-Lasheras I, Bakker A, van der Mije S, Metz J, van Alphen J, Galis F
Evodevo
. 2021 Nov;
12(1):13.
PMID: 34809711
No abstract available.
4.
Schut P, Brosens E, Van Dooren T, Galis F, Ten Broek C, Baijens I, et al.
Birth Defects Res
. 2020 Aug;
112(18):1513-1525.
PMID: 32755042
Background: Cervical patterning abnormalities are rare in the general population, but one variant, cervical ribs, is particularly common in deceased fetuses and neonates. The discrepancy between the incidence in the...
5.
Galis F, van Alphen J
Evol Dev
. 2019 Oct;
22(1-2):205-217.
PMID: 31622546
The absence of a paternal contribution in an unfertilized ovum presents two developmental constraints against the evolution of parthenogenesis. We discuss the constraint caused by the absence of a centrosome...
6.
Schut P, Ten Broek C, Cohen-Overbeek T, Bugiani M, Steegers E, Eggink A, et al.
J Matern Fetal Neonatal Med
. 2018 Jan;
32(14):2280-2286.
PMID: 29353507
Purpose: To assess the prevalence of an abnormal number of ribs in a cohort of fetuses and neonates with trisomy 21 and compare this with a subgroup of fetuses without...
7.
van der Geer A, Galis F
PeerJ
. 2017 Sep;
5:e3684.
PMID: 28875067
Mammals as a rule have seven cervical vertebrae, a number that remains remarkably constant. Changes of this number are associated with major congenital abnormalities (pleiotropic effects) that are, at least...
8.
Ten Broek C, Bots J, Bugiani M, Galis F, Van Dongen S
PeerJ
. 2017 Jun;
5:e3359.
PMID: 28626605
Disturbance from the normal developmental trajectory of a trait during growth-the so-called developmental instability-can be observed morphologically through phenodeviants and subtle deviations from perfect symmetry (fluctuating asymmetry). This study investigates...
9.
Schut P, Cohen-Overbeek T, Galis F, Ten Broek C, Steegers E, Eggink A
Obstet Gynecol Surv
. 2016 Dec;
71(12):741-750.
PMID: 28005137
Importance: The human vertebral column has a stable number of vertebrae and ribs, which is presumably the result of evolutionary selection. An association between an abnormal vertebral pattern, especially in...
10.
Slijepcevic M, Galis F, Arntzen J, Ivanovic A
PeerJ
. 2015 Nov;
3:e1397.
PMID: 26587355
We explored intraspecific variation in vertebral formulae, more specifically the variation in the number of thoracic vertebrae and frequencies of transitional sacral vertebrae in Triturus newts (Caudata: Salamandridae). Within salamandrid...