Results 41 to 50 of about 146,689 (316)

MicroCT reinvestigation of the only articulated fossil anostomid fish reveals synonymy of Arhinolemur Ameghino, 1898 and Megaleporinus Ramirez et al., 2017

open access: yesThe Anatomical Record, EarlyView.
Abstract Arhinolemur scalabrinii† Ameghino, 1898 was originally described as a strepsirrhine primate (Mammalia) but has been recognized as an anostomid fish since 2012. It remains the only extinct anostomid species known from complete cranial material.
Karen M. Panzeri   +8 more
wiley   +1 more source

Air-to-air missile vector scoring [PDF]

open access: yes2011 IEEE International Conference on Control Applications (CCA), 2011
An air-to-air missile vector scoring system is proposed for test and evaluation applications. A linear six-state constant velocity (CV) dynamics model is used, consisting of missile position and velocity in a Cartesian coordinate system. Frequency modulated continuous wave (FMCW) radar sensors, carefully located to provide spherical coverage around the
Sweeney, Nicholas, Fisher, Kenneth
openaire   +3 more sources

Exploring the cranial morphology and possible convergences of Triassic non‐crocodylomorph pseudosuchians (Archosauria: Pseudosuchia) with other sauropsids through linear morphometrics

open access: yesThe Anatomical Record, EarlyView.
Abstract Triassic pseudosuchians had highly diversified cranial morphologies. These archosaurs occupied diverse ecological roles, ranging from terrestrial predators and herbivores to semiaquatic ambush predators and possible waders. Here, we apply linear cranial morphometrics to assess possible convergences with other sauropsids from the clades ...
Rafael Terras   +3 more
wiley   +1 more source

Integrated microanatomy and microstructure of the maxillary tooth plate reveal a reinforced feeding system and tougher diet in Late Triassic Hyperodapedontinae (Rhynchosauria, Archosauromorpha)

open access: yesThe Anatomical Record, EarlyView.
Abstract Hyperodapedontine rhynchosaurs possessed a unique oral apparatus, long interpreted as an adaptation for processing abrasive and resistant plant material. However, the microanatomical and histological evidence supporting this interpretation remains poorly documented.
Caio A. Scartezini   +3 more
wiley   +1 more source

El contaminante pm10 y el impacto en la salud en la localidad de tunjuelito

open access: yesVisión Electrónica, 2016
El presente artículo de reflexión, surge de la necesidad de enmarcar el concepto calidad de vida con mejoras ambientales debido al crecimiento y auge económico en donde la capital del país afronta una alta densidad poblacional y el aumento desmedido del ...
Oswaldo Alberto Romero Villalobos   +2 more
doaj   +1 more source

Morphophysiological dynamics of the proximal post‐testicular ducts in Crotalus durissus Linnaeus, 1758 (Squamata: Viperidae)

open access: yesThe Anatomical Record, EarlyView.
Abstract The organization and function of reptilian excurrent ducts remain poorly characterized, particularly in Neotropical snakes. We provide the first integrative morphological, histochemical, immunohistochemical, and ultrastructural analysis of the proximal post‐testicular ducts of Crotalus durissus across reproductive stages.
Flávia Cappuccio de Resende   +9 more
wiley   +1 more source

Development of the nasal capsule in Emydura subglobosa (Testudines: Pleurodira) with a comparison to other turtles

open access: yesThe Anatomical Record, EarlyView.
Abstract Extant turtles occupy freshwater, marine, and terrestrial habitats, and their nasal region provides important evidence for the evolution of respiration‐ and sensory‐related cranial morphology. However, developmental data on the turtle nasal capsule remain limited, particularly in Pleurodira.
Kai Ito   +5 more
wiley   +1 more source

Combination Therapy in Participants With Active Psoriatic Arthritis Using Subcutaneous Guselkumab and Golimumab: Week 24 Results From a Phase 2a, Multicenter, Randomized, Double‐Blind, Proof‐of‐Concept Study

open access: yesArthritis &Rheumatology, EarlyView.
Objective To assess guselkumab + golimumab combination therapy versus guselkumab monotherapy in participants with active psoriatic arthritis (PsA) and inadequate response to tumor necrosis factor inhibitors (TNFi‐IR). Methods Adults with active TNFi‐IR PsA (three or more tender/swollen joints) were randomized (2:1) to subcutaneous guselkumab (100 mg) +
Jose U. Scher   +12 more
wiley   +1 more source

Variaciones de largo periodo de la visibilidad en la ciudad de México

open access: yesGeofísica Internacional, 1983
Se examinan las variaciones de largo periodo de la visibilidad horizontal en dirección del centro de la Ciudad de México.La transparencia del aire se ha deteriorado en general, en el periodo 1937-75, sin embargo, en la segunda mitad de los años setenta ...
E. Jauregui O.
doaj   +1 more source

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