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The Senses

The Senses. General Sense Organs. Free Nerve E ndings . in the skin and mucosa pain , crude touch, temp, itch, and tickle. Meissner’s Corpuscles . skin (in the papillae of the dermis) and fingertips and lips fine touch and low frequency vibration. Ruffini’s Corpuscles .

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The Senses

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  1. The Senses General Sense Organs

  2. Free Nerve Endings • in the skin and mucosa • pain, crude touch, temp, itch, and tickle

  3. Meissner’s Corpuscles • skin (in the papillae of the dermis) and fingertips and lips • fine touch and low frequency vibration

  4. Ruffini’s Corpuscles • Skin (dermal layer) and subcutaneous tissue of fingers • touch and pressure

  5. Pacinian Corpuscles • subcutaneous, submucous, and subserous tissues • around joints in mammary glands and external genitals of both sexes • pressure and high frequency vibration

  6. Krause’s End-Bulbs – skin (dermal layer), subcutaneous tissue, mucosa of lips and eyelids, and external genitals – touch and possibly cold

  7. Golgi Tendon Receptors • near junction of tendons and muscles • sense muscle tension • cause muscle to relax (protective)

  8. Muscle Spindles • skeletal muscles • sense of muscle length • cause muscle to contract

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