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Related Concept Videos

Hair Cells01:22

Hair Cells

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Hair cells are the sensory receptors of the auditory system—they transduce mechanical sound waves into electrical energy that the nervous system can understand. Hair cells are located in the organ of Corti within the cochlea of the inner ear, between the basilar and tectorial membranes. The actual sensory receptors are called inner hair cells. The outer hair cells serve other functions, such as sound amplification in the cochlea, and are not discussed in detail here.
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Accessory Structures of the Skin: Hair and Hair Follicles01:16

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Hair and hair follicles are integral components of the integumentary system. Hair is a filamentous structure composed mainly of a protein called keratin. It is found on the surface of the skin throughout the body, except for areas such as the palms of the hands and soles of the feet.
Hair is a keratinous filament growing out of the epidermis. It is primarily made of dead, keratinized cells. Hair strands originate at the epidermal penetration called the hair follicle. The hair shaft is the part...
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Accessory Structures of the Skin: Hair Growth and Types01:20

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Hair growth begins with the production of keratinocytes by the basal cells of the hair bulb. As new cells are deposited at the hair bulb, the hair shaft is pushed through the follicle toward the surface. Keratinization is completed as the cells are pushed to the skin surface to form the shaft of hair that is externally visible. The external hair is completely dead and composed entirely of keratin. Hair can be cut or shaven without damaging the hair structure because the cut is superficial. Most...
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Cell sizes vary widely among and within organisms. Bacterial cells range between 1-10 micrometers (μm)and are considerably smaller than most eukaryotic cells. The smallest bacteria are 0.1 μm in diameter—about a thousand times smaller than eukaryotic cells, which typically range from 10-100 μm.
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When we hear a sound, our nervous system is detecting sound waves—pressure waves of mechanical energy traveling through a medium. The frequency of the wave is perceived as pitch, while the amplitude is perceived as loudness.
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On Having Grey Hair.

Francesco Montorsi1

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Urologists must stay current with medical research and surgical outcomes to improve patient care. Building multidisciplinary teams and conducting trials optimizes clinical practice and patient results.

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Area of Science:

  • Urology
  • Surgical Oncology
  • Clinical Research

Background:

  • Importance of continuous medical education for urologists.
  • Need for vigilance regarding surgical complications and postoperative outcomes.
  • Value of collaborative healthcare approaches in urology.

Discussion:

  • Staying updated with the latest medical research is crucial for urologists.
  • Proactive management of surgical complications and awareness of postoperative results are essential.
  • The benefits of establishing multidisciplinary teams in urological practice.

Key Insights:

  • Urologists need to integrate the latest research findings into their practice.
  • Effective management of surgical complications and postoperative results directly impacts patient outcomes.
  • Multidisciplinary collaboration enhances the quality of urological patient care.

Outlook:

  • Future urological advancements will depend on continuous learning and research.
  • Randomized trials are vital for addressing relevant research questions in urology.
  • Optimizing patient outcomes requires a comprehensive approach encompassing research, clinical vigilance, and teamwork.