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The Anatomical Record, EarlyView.Osteohistological sampling on different bones of theropod dinosaur documents discrepant age record, growth, and metabolism. This could result unprecise paleobiological inferences if samplings are based on single bones. However, multi‐bone sampling can attenuate these discrepancies, helping to infer growth dynamics and physiology of these extinct ...
Geovane Alves de Souza +3 more
wiley +1 more source
Balancing act: An autoethnographic study of one medical educator's first year as a mentor
Anatomical Sciences Education, EarlyView.Abstract Novice faculty mentors often struggle with the transition from mentee to mentor. Although they may face similar challenges, each mentor's experience and journey of professional identity formation is unique, influenced by their background, experiences, relationships, and context.
Andrew S. Cale
wiley +1 more source
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INTERCOMPARISON OF EYE LENS DOSEMETERS
Radiation Protection Dosimetry, 2016An intercomparison of eye lens dosemeters has been conducted in terms of the quantity Hp(3). For the first time, besides photon radiation also beta radiation qualities were included. Three dosemeter types designed for the quantity Hp(3) and ten for Hp(0.07) took part in the intercomparison.
Behrens, R. +8 more
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2015
Both lens and facet eyes were “invented” multiple times throughout animal history. Lens eyes first emerged in the Paleozoic in vertebrates and octopi. However, lens eyes had already existed within cnidarians – mainly within highly poisonous box jellyfish. As fossils, these animals make their earliest appearance in the mid-Cambrian, or about 500 million
Georg Glaeser, Hannes F. Paulus
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Both lens and facet eyes were “invented” multiple times throughout animal history. Lens eyes first emerged in the Paleozoic in vertebrates and octopi. However, lens eyes had already existed within cnidarians – mainly within highly poisonous box jellyfish. As fossils, these animals make their earliest appearance in the mid-Cambrian, or about 500 million
Georg Glaeser, Hannes F. Paulus
openaire +1 more source
Differentiation, 1980
In general terms embryonic induction involves the association of embryonic tissues and leads to tissue differentiation. It is one of the known essential processes leading to the normal development of embryos. However, despite its importance, very little is known about the mechanisms of inductive interactions.
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In general terms embryonic induction involves the association of embryonic tissues and leads to tissue differentiation. It is one of the known essential processes leading to the normal development of embryos. However, despite its importance, very little is known about the mechanisms of inductive interactions.
openaire +2 more sources
Telephoto lens system of falconiform eyes
Nature, 1978VISUAL ACUITY in falconiform birds has been shown to be higher than man. For instance, vultures with eyes similar in size to those of man have a grating detectability of about twice the spatial frequency of man1. This is consistent with measured image quality in an eagle eye similar in size to the human eye2.
A W, Snyder, W H, Miller
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Molecular interactions in the eye lens
Biochemical Society Transactions, 1991Introduction The lens is a cellular structure formed from elongated fibre cells aligning into concentric layers that stack together with the organization of a uni-axial crystal 111. Within the fibre cells, where protein turnover is low, protein components are packed together [2-41 with short-range order [S].
C, Slingsby +4 more
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Journal of Radiological Protection, 2021
Abstract Increased x-ray exposure to physicians’ eye lenses during radiology procedures is a significant concern. In this study, x-ray exposure to the eye was measured using an anthropomorphic head phantom, with and without radiation-protective devices, to examine the dose of x-ray radiation that physicians are ...
Shinya Imai +5 more
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Abstract Increased x-ray exposure to physicians’ eye lenses during radiology procedures is a significant concern. In this study, x-ray exposure to the eye was measured using an anthropomorphic head phantom, with and without radiation-protective devices, to examine the dose of x-ray radiation that physicians are ...
Shinya Imai +5 more
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Eye problems in contact lens wearers
BMJ, 2019### What you need to know More than 140 million people worldwide wear contact lenses.1 Contact lens wearers are more prone to ocular surface problems, particularly those who use extended wear contact lenses.23 Patients may present to the general practitioner, pharmacist, or optometrist in approximately 42% of cases.4 Clinicians in acute care need to ...
Syed M, Shahid +2 more
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Intraocular Lens Implantation in Myopic Eyes
European Journal of Ophthalmology, 1996Purpose. To assess the results of posterior chamber lens implantation in myopic eyes with cataract. Methods. Retrospective study of postoperative results ranging from 4 to 89 months (mean 35 months) in 54 myopic patients (62 eyes with axial length of 26 mm or more) who had undergone PC IOL implantation in the Department of Ophthalmology, Medical ...
G, Malukiewicz-Wiśniewska +2 more
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