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Necessary Elements of Sensation | Hindi | Human Body | Biology
Read this article in Hindi to learn about the necessary elements involved in sensation that occurs in human body. Element # 1. गुण (Quality): संवेदना के कुछ गुण होते हैं, जिनके आधार पर उनमें भिन्नता का प्रभाव पाया जाता है । उदाहरणार्थ – देखने की सवेदना सूँघने की संवेदना से भिन्न है, इसी प्रकार सुनने की…
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Sensory Adaptation in Humans | Hindi | Biology
Read this article in Hindi to learn about the sensory adaptations in human body. प्राणी के संवेदी तन्त्र (Sensory System) वातावरण में होने वाले परिवर्तनों हेतु अत्यधिक संवेदनशील होते हैं । वास्तव में संवेदी न्यूरोन (Sensory-Neurons) किसी स्थिर उद्दीपक (Constant Stimulus) हँतु धीरे-धीरे अपनी क्रियाशीलता को कम करते हुए अनुक्रिया करता है । मनोवैज्ञानिकों ने…
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Toll-Like Receptors (TLR) and Innate Immune System | Human Body | Biology
TLRs are transmembrane proteins expressed by cells of the innate immune system, which recognize invading microbes and activate signaling pathways that launch immune and inflammatory responses to destroy the invaders. Mammalian TLRs consist of an extracellular portion containing leucine-rich repeats, a transmembrane region and a cytoplasmic tail, called the TIR (Toll-IL-IR (Interleukin-1-Receptor)) homology domain. Different…