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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

Accessory Structures of the Skin: Hair and Hair Follicles

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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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Tissue Transplantation01:24

Tissue Transplantation

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Tissue transplantation is a significant medical procedure involving the transfer of cells, tissues, or organs from a donor to a recipient, with the primary aim of restoring lost functions. This procedure is crucial in treating a broad spectrum of diseases, including kidney diseases, liver failure, heart disease, and certain types of cancers.
The Biology of Tissue Transplantation
The biology of tissue transplantation hinges on the Major Histocompatibility Complex (MHC) molecules. These molecules...
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Kidney Transplant I: Introduction01:28

Kidney Transplant I: Introduction

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A kidney transplant is a surgical approach that involves replacing a non-functioning kidney with a healthy one from a donor. This procedure is often a treatment option for end-stage renal disease (ESRD) patients. The method requires careful recipient selection, including evaluating various medical and psychosocial factors. These criteria vary between transplant centers but generally include assessments of the patient's overall health, adherence to medical recommendations, and lifestyle...
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Bone Marrow Sampling and Transplants01:22

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Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
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Collecting Hair Samples for Hair Cortisol Analysis in African Americans
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Controversies in Hair Transplantation.

Muthuvel Kumaresan1, Venkatram Mysore2

  • 1Consultant Dermatologist, Cutis Skin Clinic and Hair Transplant Center, Coimbatore, Tamil Nadu, India.

Journal of Cutaneous and Aesthetic Surgery
|March 20, 2019
PubMed
Summary
This summary is machine-generated.

This review examines key issues in hair transplantation, including techniques like follicular unit transplantation versus excision, safe donor areas, and the role of platelet-rich plasma. It also addresses the minimum qualifications for practitioners in this evolving field.

Keywords:
Controversiesfollicular unit excisionfollicular unit transplantationhair transplantation

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Area of Science:

  • Hair restoration surgery
  • Dermatology
  • Regenerative medicine

Background:

  • Hair transplantation is a rapidly advancing field with emerging ethical and evidence-based controversies.
  • Practitioners and the scientific community face challenges in addressing these complex issues.

Purpose of the Study:

  • To critically analyze and discuss contentious aspects of modern hair transplantation.
  • To provide clarity on debated topics including surgical techniques, donor site management, and adjunctive therapies.

Main Methods:

  • Review of current literature and expert opinion on hair transplantation controversies.
  • Comparative analysis of follicular unit transplantation (FUT) versus follicular unit excision (FUE).
  • Discussion on the evidence and ethical considerations for platelet-rich plasma (PRP) in hair restoration.

Main Results:

  • Follicular unit excision (FUE) offers potential advantages over follicular unit transplantation (FUT) in specific scenarios.
  • Defining a 'safe' donor area remains crucial for long-term graft viability.
  • Evidence supporting the efficacy of platelet-rich plasma (PRP) is growing but requires further standardization.
  • There is a need for defined minimum qualifications for performing hair transplantation procedures.

Conclusions:

  • Addressing controversies in hair transplantation techniques, donor site management, and adjunctive therapies is essential.
  • Establishing clear ethical guidelines and evidence-based practices will advance the field.
  • Standardized training and qualifications are necessary to ensure patient safety and optimal outcomes in hair transplantation.