Results 111 to 120 of about 43,985 (306)

Synergistic interplay between radiation and microgravity in spaceflight-related immunological health risks

open access: yesImmunity & Ageing
Spaceflight poses a myriad of environmental stressors to astronauts´ physiology including microgravity and radiation. The individual impacts of microgravity and radiation on the immune system have been extensively investigated, though a comprehensive ...
Anna Wadhwa   +3 more
doaj   +1 more source

Skeletal responses to spaceflight [PDF]

open access: yes
The role of gravity in the determination of bone structure is elucidated by observations in adult humans and juvenile animals during spaceflight. The primary response of bone tissue to microgravity is at the interface of the mineral and matrix in the ...
Arnaud, Sara B., Morey-Holton, Emily
core   +1 more source

Neck-vein thrombosis during spaceflight. [PDF]

open access: yesBr J Clin Pharmacol
Spaceflight imposes unique environmental challenges, including weightlessness, increased radiation exposure and confinement, which can lead to unexpected health effects. One such example is neck‐vein thrombosis, a condition rarely seen on Earth without predisposing factors such as venous catheters or infections.
Limper U, Jordan J.
europepmc   +2 more sources

Summary results of the Industry Conference on the Commercial Use of Space [PDF]

open access: yes
The future intentions of the Federal Republic of Germany in the area of the commercialization of space are presented. It is shown that significant advances in microgravity research, particulary in the areas of materials science, composite materials ...
REUSE, Thuerbach, R. P.
core   +1 more source

Experiment K-6-03. Gravity and skeletal growth, part 1. Part 2: Morphology and histochemistry of bone cells and vasculature of the tibia; Part 3: Nuclear volume analysis of osteoblast histogenesis in periodontal ligament cells; Part 4: Intervertebral disc swelling pressure associated with microgravity [PDF]

open access: yes
Bone area, bone electrophysiology, bone vascularity, osteoblast morphology, and osteoblast histogenesis were studied in rats associated with Cosmos 1887.
Berretta, D.   +9 more
core   +1 more source

Time‐course analysis of cerebral circulation and cardiorespiratory responses to acute central blood volume reduction in healthy young males

open access: yesExperimental Physiology, EarlyView.
Abstract Central blood volume (CBV) reduction challenges circulatory and respiratory homeostasis, particularly during the initial compensatory phase (0–2 min), when rapid physiological adaptations occur. In this study, we examined dynamic cardiorespiratory responses to CBV reduction using lower‐body negative pressure (LBNP) in 11 healthy young males ...
Marina Feeley   +7 more
wiley   +1 more source

Dynamic changes in perivascular space morphology predict signs of spaceflight-associated neuro-ocular syndrome in bed rest

open access: yesnpj Microgravity
During long-duration spaceflight, astronauts experience headward fluid shifts and expansion of the cerebral perivascular spaces (PVS). A major limitation to our understanding of the changes in brain structure and physiology induced by spaceflight stems ...
Sutton B. Richmond   +11 more
doaj   +1 more source

A Race to the Stars and Beyond: How the Soviet Union’s Success in the Space Race Helped Serve as a Projection of Communist Power

open access: yes, 2019
In the modern era, the notion of space travel is generally one of greater acceptance and ease than in times previously. Moreover, a greater number of nations (and now even private entities) have the technological capabilities to launch manned and ...
Lashendock, Jack H.
core  

Response of lymphocytes to a mitogenic stimulus during spaceflight [PDF]

open access: yes
Several studies were performed that demonstrate that immunological activities of lymphocytes can be affected by spaceflight or by models that attempt to simulate some aspects of weightlessness.
Sonnenfeld, Gerald
core   +1 more source

Home - About - Disclaimer - Privacy