Results 21 to 30 of about 23,018,896 (372)

Hyperoxia During Exercise: Impact on Adenosine Plasma Levels and Hemodynamic Data

open access: yesFrontiers in Physiology, 2020
IntroductionAdenosine is an ATP derivative that is strongly implicated in the cardiovascular adaptive response to exercise. In this study, we hypothesized that during exercise the hyperemia, commonly observed during exercise in air, was counteracted by ...
Alain Boussuges   +8 more
doaj   +1 more source

Colon Cancer-Associated Fusobacterium nucleatum May Originate From the Oral Cavity and Reach Colon Tumors via the Circulatory System

open access: yesFrontiers in Cellular and Infection Microbiology, 2020
Fusobacterium nucleatum is a common oral bacterium that is enriched in colorectal adenomas and adenocarcinomas (CRC). In humans, high fusobacterial CRC abundance is associated with chemoresistance and poor prognosis.
Jawad Abed   +14 more
semanticscholar   +1 more source

Evaluation of the efficiency of a new pulsatile flow‑generating circulatory-assist system in rotary blood pumps. Research on a mathematical model

open access: yesВестник трансплантологии и искусственных органов, 2022
Objective: to study the effect of a pulsatile flow-generation (PFG) device on the basic hemodynamic parameters of the circulatory system using a mathematical model.Results. Modelling and simulation showed that the use of PFG significantly (76%) increases
G. P. Itkin   +4 more
doaj   +1 more source

The Insect Circulatory System: Structure, Function, and Evolution.

open access: yesAnnual Review of Entomology, 2020
Although the insect circulatory system is involved in a multitude of vital physiological processes, it has gone grossly understudied. This review aims to highlight this critical physiological system by detailing the structure and function of the ...
J. Hillyer, G. Pass
semanticscholar   +1 more source

PENGEMBANGAN MULTIMEDIA PEMBELAJARAN INTERAKTIF MATERI SISTEM PEREDARAN DARAH UNTUK MENINGKATKAN MOTIVASI BELAJAR MAHASISWA PGSD

open access: yesKhazanah Pendidikan, 2022
The study aims to (1) produce interactive learning multimedia on circulatory system materials for android and windows that are in accordance with student needs, (2) determine the feasibility and effectiveness of interactive learning multimedia on ...
Anang Fathoni, Herman Dwi Surjono
doaj   +1 more source

A mathematical model of the metabolic process of atherosclerosis [PDF]

open access: yesThe Ukrainian Biochemical Journal, 2016
A mathematical model of the metabolic process of atherosclerosis is constructed. The functioning of the polyenzymatic prostacyclin-thromboxane system of blood and the influence of a level of “bad cholesterol”, namely low density lipoproteins (LDL), on it
V. I. Grytsay
doaj   +1 more source

Ex-vivo recruitment and x-ray assessment of donor lungs in a challenging retrieval from a donor supported by lvad using the portable normothermic perfusion system: A case report [PDF]

open access: yes, 2017
Lung transplantation (LTx) is limited by the shortage of suitable donors. To overcome this problem, many programs have begun to use donors with extended criteria (marginal donors).
Calabrese, Fiorella   +7 more
core   +1 more source

Bifurcation of the roots of the characteristic polynomial and the destabilization paradox in friction induced oscillations [PDF]

open access: yesTheoretical and Applied Mechanics, 2007
Paradoxical effect of small dissipative and gyroscopic forces on the stability of a linear non-conservative system, which manifests itself through the unpredictable at first sight behavior of the critical non-conservative load, is studied.
Kirillov O.N.
doaj   +1 more source

Short chain fatty acids and methylamines produced by gut microbiota as mediators and markers in the circulatory system

open access: yesExperimental biology and medicine, 2020
Ample evidence suggests that gut microbiota-derived products affect the circulatory system functions. For instance, short chain fatty acids, that are the products of dietary fiber bacterial fermentation, have been found to dilate blood vessels and lower ...
Maksymilian Onyszkiewicz   +2 more
semanticscholar   +1 more source

Development of an e-module in the form of a flipbook on integrated Islamic circulatory system material for grade XI SMA/MA

open access: yesPractice of the Science of Teaching Journal, 2023
Islamic-integrated learning has been carried out in several subjects in Madrasahs, but students still need encouragement to live it. Islamic-integrated teaching materials are required to facilitate solving these problems.
Fitriani Isma   +2 more
doaj   +1 more source

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