Micro Biology

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Excitable tissue – 03

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   Excitable tissue – 03 01.   Physiological (functional) lability of the tissue. Methods for its determination. Characteristics of excitability and lability of nervous and muscular tissues. Rhythm repetition (A. A. Ukhtomski).   Lability (functional mobility) is the  ability of the excitable tissue to generate a certain number of impulses (rate)  of excitation per unit of time (Vvedensky N. E.). Its value is 500-1000 imp/sec for the nervous tissue, 200-250 imp/sec for the muscular tissue, 100-125 imp/sec for the chemical synapse. Nervous tissue has greater lability than muscle tissue . Its value depends on the functional state of the tissue. It can change in the course of a prolonged action of the stimulus, that is, the tissue can increase its lability in the process of vital activity. Rhythm assimilation is the ability of excitable tissue to change the generated number of impulses of excitations during prolonged stimulation (A. A. Ukhtomsky).   02. P...
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Pons and Cerebellum

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Communication cycle

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communication cycle   What is a communication cycle exactly? It basically involves the conveying and receiving of messages between two individuals or entities in an easy-to-understand format. Talking and even listening are all methods of communication. Our ability to assign values to sounds, signs, and symbols makes us different from all other animals on earth. Author and professor Yuval Noah Harari in his book,  Sapiens: A Brief History of Humankind , laid emphasis on the importance of language in making humans “the smartest animals” on this planet. Thanks to communication, we are now able to do many things that were unimaginable to our cave-dwelling ancestors. Language was developed as a means of surviving and thriving and that is true even in present times. You may be an acclaimed artist, programmer, engineer, or business person and excel in your field, but if you can’t communicate effectively, you won’t be able to thrive. Here, we will be explaining the communication cycle...
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