Results 61 to 70 of about 1,319,431 (302)

Dental crown morphological variation and heterodonty in carcharhiniform sharks

open access: yesThe Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

An unusual titanosaur axis from the Upper Cretaceous of Brazil and its significance for sauropod anatomy and systematics

open access: yesThe Anatomical Record, EarlyView.
Abstract The Upper Cretaceous São José do Rio Preto Formation (Bauru Group, southeastern Brazil) has yielded a fragmentary but taxonomically diverse record of titanosaur sauropods, although elements from cervical series remain scarce. Here, we describe a nearly complete sauropod axis from the Vila Ventura Paleontological Area, representing an uncommon ...
Bruno A. Navarro   +7 more
wiley   +1 more source

Norman E. Shumway

open access: yesClinical Cardiology, 2000
Dr. Norman E. Shumway has had the privilege to live through the entire evolution of cardiac surgery. He is an intelligent, imaginative individual who possesses a true pioneering spirit. He has been blessed with the fundamental qualities of leadership and continues to be capable of inspiring greatness from his associates. Through his skill, perseverance,
J. Willis Hurst   +2 more
openaire   +2 more sources

Global Health in Lights: Hollywood's Master Storytellers & Stars Highlight Global Health in Entertainment [PDF]

open access: yes, 2011
Sandra de Castro Buffington, director of the Norman Lear Center's Hollywood, Health & Society program, moderated this discussion which brought top TV producers, writers and performers together with key Washington policymakers to focus on how global ...

core  

Body language, security and e-commerce [PDF]

open access: yes, 2000
Security is becoming an increasingly more important concern both at the desktop level and at the network level. This article discusses several approaches to authenticating individuals through the use of biometric devices.
Desmarais, Norman
core   +2 more sources

Differences in predominant collagen fiber orientation between dorsal and plantar trabecular bone tracts of adult mule deer calcanei suggest strain‐mode‐specific adaptation

open access: yesThe Anatomical Record, EarlyView.
Polarized microscopic images of the outer bone cortex (a and b) and deeper trabecular bone (c and d) of the deer calcaneus in thin cross‐sections. The brighter gray levels reflect more oblique‐to‐transverse collagen fibers in the compression/dorsal bone (a, c) and the darker gray levels reflect more longitudinal collagen in the tension/plantar bone (b,
John G. Skedros   +3 more
wiley   +1 more source

Towards a unified measure of general interpersonal trust

open access: yesHeliyon
Trust is a well-studied attitude with many different conceptualizations, scales, and measurement techniques. However, the diversity of measurement and conceptualizations of trust can make comparisons between studies and instrument selection difficult. To
Uyen Hoang   +5 more
doaj   +1 more source

La « féodalité » et la seigneurie dans la Calabre méridionale normande : une institution politique pour bâtir la paix ?

open access: yesTabularia, 2020
The objective of this study is to examine whether “feudalism” and lordship in southern Norman Calabria was important to reinstate peace and what were its original characters in the transition from the state of war and the new political construction of ...
Riccardo Berardi
doaj   +1 more source

Widespread distribution of large silesaurids evidenced by a new record from the Middle Triassic of southwest Gondwana

open access: yesThe Anatomical Record, EarlyView.
The largest silesaurid known from South America is described here, demonstrating that silesaurids reached large body sizes in southwestern Gondwana. This discovery further underscores the widespread geographic distribution and temporal persistence of large silesaurids across Pangea, despite faunal turnovers and environmental events such as the Carnian ...
Rodrigo Temp Müller
wiley   +1 more source

Differences in SARS‐CoV‐2 antigen persistence in individuals with systemic autoimmune rheumatic diseases compared to the general population: A RECOVER‐Adult Cohort Study

open access: yesArthritis &Rheumatology, Accepted Article.
Background Individuals with systemic autoimmune rheumatic diseases (SARDs) are at risk for worse acute and post‐acute COVID‐19 outcomes, though whether individuals with SARDs have longer persistence of viral antigens after COVID‐19 has not been studied.
Naomi J. Patel   +18 more
wiley   +1 more source

Home - About - Disclaimer - Privacy