نتایج جستجو برای: Forelimb
تعداد نتایج: 2892 فیلتر نتایج به سال:
Animals were tested for forelimb preference in a grasp or in a force task before microstimulation mapping of the primary motor cortex contralateral to the preferred forelimb. The size and location of the preferred forelimb primary motor cortex representation was determined and ablated. Seven days later, forelimb preference was again evaluated. Reversal of the initial preference after cortical a...
Background: Because of the problems of achieving to mature oocytes, abillity to deliver the oocytes to mature outside of ovaries was a big discovery that somewhat could reduce the risk of ART`s.Because of the low percentage of in vitro oocyte maturation, research for improving the IVM condition and increasing the oocyte maturation rate is to be continued. The aim of this research is the study o...
It is common following stroke to focus early rehabilitation efforts on developing compensatory use of the less-affected body side. Here we used a rat model of focal cortical infarct to examine how motor skill acquisition with the less-affected ("intact") forelimb influences sensorimotor function of the infarct-impaired forelimb and neural activity in peri-infarct cortex. Rats proficient in skil...
Objective - The aim of this study was to measure the ratio of bone cortex (C) to bone diameter (D), (C/D) in radius/tibia, metacarpus /metatarsus and proximal phalanges in fore and hindlimbs to be used as a diagnostic guide in metabolic and nutritional diseases in Minature Donkey. Design- Experimental study Animals- Eight adult Minature donkeys. Procedures- Lateromedial, dorsopalmar and dors...
Softshell turtles (Family Trionychidae) possess extensive webbing between the digits of the manus, suggesting that the forelimb may serve as an effective thrust generator during aquatic locomotion. However, the hindlimb has previously been viewed as the dominant propulsive organ in swimming freshwater turtles. To evaluate the potential role of the forelimb in thrust production during swimming i...
BACKGROUND The prevalence of systemic hypertension (SHT) in Shetland Sheepdogs has not been reported. HYPOTHESIS/OBJECTIVES SHT is common in Shetland Sheepdogs and positively correlated with proteinuria. Measurements of forelimb and hindlimb systolic arterial pressure (SAP) are comparable. ANIMALS Seventy-two clinically healthy, client-owned Shetland Sheepdogs. METHODS Forelimb and hindli...
Evidence suggests that recovery from stroke damage results from the production of new synaptic pathways within surviving brain regions over weeks. To address whether brain function might redistribute more rapidly through preexisting pathways, we examined patterns of sensory-evoked depolarization in mouse somatosensory cortex within hours after targeted stroke to a subset of the forelimb sensory...
Unilateral injury to the forelimb representation area of the sensorimotor cortex (FL-SMC) in adult rats causes over-reliance on the unimpaired forelimb for postural-motor movements, as well as overgrowth of layer V pyramidal cell dendrites in the homotopic cortex of the noninjured hemisphere. The overgrowth appears to be use-dependent because it can be prevented by restricting movements of the ...
Functional recovery after brain damage has been described frequently and different mechanisms have been proposed to account for the observed recovery. One possible mechanism involves the capacity of one part of the brain to take over the function of another. A possible area for this to take place is in the cerebral cortex, where a variety of reorganizational processes have been described after ...
Axolotls (Ambystoma mexicanum) have the ability to regenerate amputated limbs throughout their life span. In the present study, we attempted to elucidate how axolotls can specify limb type correctly during the regeneration process. We misexpressed Tbx5 in regenerating hindlimb blastema, and consequently a forelimb-like hindlimb regenerated from the hindlimb blastema. On the other hand, no chang...
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