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Total of 19 results See all subject areas
anatomy and physiology

Background: The individual running style has an impact on the running performance as well as the running injury risk. In order to increase the performance and lower the injury risk, runners should be educated towards a healthy running style. But before advices...

["Bioinformatics","Anatomy and Physiology","Orthopedics","Computational Science"]
doi:10.7287/peerj.preprints.370v1

Imagine a world where everything from products to people, spaces and services is connected and together operates as a living network. ‘Meta Products’ is the next generation of ’living’ products, services and spaces referring to the potential of the Internet of...

["Bioengineering","Anatomy and Physiology","Kinesiology","Orthopedics","Computational Science"]
doi:10.7287/peerj.preprints.354v2

Platelets expose phosphatidylserine (PS), a component of the prothrombinase complex, on the outer surface of the plasma membrane when activated. [ref 1] The prothrombinase complex catalyzes the conversion of prothrombin to thrombin, and it has been demonstrated...

["Anatomy and Physiology","Cardiology","Hematology"]
doi:10.7287/peerj.preprints.351v1

In broiler chickens, genetic success for desired production traits is often shadowed by welfare concerns related to musculoskeletal health. Whilst these concerns are clear, a viable solution is still elusive. Part of the solution lies in knowing how anatomical...

["Agricultural Science","Developmental Biology","Evolutionary Studies","Zoology","Anatomy and Physiology"]
doi:10.7287/peerj.preprints.343v1

Genetic selection for improved meat yields, digestive efficiency and growth rates have transformed the biology of broiler chickens. Modern birds undergo a 50-fold multiplication in body mass in just six weeks, from hatching to slaughter weight. However, this selection...

["Agricultural Science","Developmental Biology","Evolutionary Studies","Zoology","Anatomy and Physiology"]
doi:10.7287/peerj.preprints.342v1

Cardiopulmonary Resuscitation (CPR) is a simple and effective medical treatment for sudden cardiac arrest patients. Because of those existing interferences in the experiments, most of the animal experiments and the CPRs in vivo studies get contradictory conclusions....

["Anatomy and Physiology","Cardiology","Translational Medicine","Computational Science","Science and Medical Education"]
doi:10.7287/peerj.preprints.334v1

Why are the retinal color receptors cone-shaped? This is not a trivial question: the cone shape is evidently a universal feature of the color receptors while the achromatic rod receptors are always rod-shaped. What might be behind this dichotomy has not previously...

["Biophysics","Anatomy and Physiology","Ophthalmology"]
doi:10.7287/peerj.preprints.331v1

Dwarfism is a condition characterized by shorter stature, at times accompanied by differential skeletal growth proportions relative to the species-typical physical conformation. Causes vary and are well-documented in humans as well as certain mammalian species...

["Zoology","Anatomy and Physiology"]
doi:10.7287/peerj.preprints.234v1

Horses and elephants have extreme foot designs; horses have an unguligrade foot posture with small, single-toed, rigid hooves housing a small fibrous digital cushion, whereas elephants have large, multi-toed, functionally plantigrade, compliant feet with large...

["Veterinary Medicine","Zoology","Anatomy and Physiology"]
doi:10.7287/peerj.preprints.231v1

Water immersion skin wrinkling has long been used as a test for sympathetic nerve function. However, the cause of underlying mechanism remained elusive. In this article, we theoretically investigate a possible cause of the phenomenon by taking various properties...

["Biophysics","Anatomy and Physiology","Dermatology","Neurology"]
doi:10.7287/peerj.preprints.57v4

Finite element analysis (FEA) is a computational technique of growing popularity in the field of comparative biomechanics, and is an easily accessible platform for form-function analyses of biological structures. However, its rapid evolution in recent years from...

["Bioengineering","Computational Biology","Paleontology","Zoology","Anatomy and Physiology"]
doi:10.7717/peerj.204

Chondrichthyians (sharks, ratfish, and rays) can function at extremes (growing big, swimming fast, and eating hard-prey) suggesting their skeletons are experiencing loading regimes equal to or greater than those of other fishes. In most vertebrates, cartilage is...

["Zoology","Anatomy and Physiology"]
doi:10.7287/peerj.preprints.47v1

Transcranial Doppler ultrasound (TCD) allows measurement of blood flow velocities in the intracranial vessels, and can be used to assess cerebral vasodilator responses to a hypercapnic stimulus. The reliability of this technique has not been established, nor is...

["Anatomy and Physiology","Clinical Trials","Nutrition"]
doi:10.7717/peerj.65

Rhythmic motor behaviors are generated by networks of neurons. The sequence and timing of muscle contractions depends on both synaptic connections between neurons and the neurons’ intrinsic properties. In particular, motor neuron ion currents may contribute significantly...

["Neuroscience","Anatomy and Physiology"]
doi:10.7717/peerj.57

Cannabinoid receptors (CB) are expressed throughout human skin epithelium. CB1 activation inhibits human hair growth and decreases proliferation of epidermal keratinocytes. Since psoriasis is a chronic hyperproliferative, inflammatory skin disease, it is conceivable...

["Histology","Anatomy and Physiology","Dermatology"]
doi:10.7717/peerj.40

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