Integumentary System Review
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Questions and Answers

Which of the following structures is NOT considered an appendage of the skin?

  • Nails
  • Skin Glands
  • Hair
  • Epidermis (correct)
  • What is the primary function of keratinocytes in the integumentary system?

  • Create a barrier to prevent water loss (correct)
  • Produce melanin
  • Assist in immune response
  • Involved in touch sensation
  • Which layer of the skin is primarily responsible for thermoregulation?

  • Dermis (correct)
  • Epidermis
  • Stratum germinativum
  • Stratum corneum
  • What type of pigment do melanocytes produce?

    <p>Melanin</p> Signup and view all the answers

    Which of the following cells is involved in the immune response within the skin?

    <p>Langerhans cells</p> Signup and view all the answers

    La piel tiene 10 ______ gruesos en el cuerpo como en las yemas de los dedos.

    <p>capas</p> Signup and view all the answers

    La dermis está formada por tejido ______ que contiene colágeno y fibras elásticas.

    <p>conectivo</p> Signup and view all the answers

    La región ______ de la dermis consiste en fibras delgadas de colágeno y elastina.

    <p>papilar</p> Signup and view all the answers

    Las bases del color de la piel incluyen la ______, que determina el tono de la piel.

    <p>melanina</p> Signup and view all the answers

    La ______ se refiere a la ausencia parcial o total de pelo en el cuerpo.

    <p>alopecia</p> Signup and view all the answers

    Las ______ sebáceas son glándulas que se conectan en su mayoría a los folículos pilosos.

    <p>glándulas</p> Signup and view all the answers

    Las uñas son placas de células epidermicas ______ que tienen una consistencia dura.

    <p>queratinizadas</p> Signup and view all the answers

    La región reticular de la dermis contiene fibras ______ que proporcionan soporte estructural.

    <p>colágenas</p> Signup and view all the answers

    El sistema tegumentario está constituido por la piel, cabello, uñas y ______.

    <p>glándulas</p> Signup and view all the answers

    Las capas de la piel se dividen en piel ______ y piel delgada.

    <p>gruesa</p> Signup and view all the answers

    Los ______ son las células que producen el pigmento melánico en la piel.

    <p>melanocitos</p> Signup and view all the answers

    Los queratinocitos producen grandes lamélculas que liberan un sello que repele el ______.

    <p>agua</p> Signup and view all the answers

    Los corpusculos de ______ son terminaciones nerviosas que se encuentran en la piel y responden a la presión.

    <p>Paccini</p> Signup and view all the answers

    Las ______ de Langerhans participan en la respuesta inmunitaria contra los microorganismos.

    <p>células</p> Signup and view all the answers

    El estrato ______ es la capa más profunda de la epidermis, compuesta por células madre.

    <p>basal</p> Signup and view all the answers

    Los ______ de Meissner son receptores sensoriales que responden a las sensaciones del tacto.

    <p>corpusculos</p> Signup and view all the answers

    Study Notes

    Integumentary System Review

    • The integumentary system comprises skin, hair, nails, and glands.
    • The skin has two layers: epidermis and dermis.
    • The skin has various functions like thermoregulation, sensation, and protecting the body.
    • Skin contains sensory receptors involved in detecting and responding to touch, temperature changes, and pain.
    • The subcutaneous layer lies below the dermis and supports and cushions the skin, also serving as a reservoir of blood vessels.
    • Hair and nails composed of keratinized cells, protect and enhance certain functions.

    Skin Layers

    • The epidermis is the outermost layer, preventing water loss and providing a barrier to infection. It is composed of several layers of cells, including keratinocytes.
    • The dermis lies below the epidermis, containing blood vessels, nerves, glands, and other connective tissues.
    • The subcutaneous layer or hypodermis, lies beneath the dermis, made primarily from fatty tissue and connective tissue that provides insulation and cushioning, as well as some support for the skin and other tissues.

    Specialized Cells

    • Keratinocytes produce keratin, a fibrous protein that provides a protective barrier to the skin.
    • Melanocytes produce melanin that protects against UV radiation and influences skin color.
    • Langerhans cells are part of the immune system, recognizing and attacking pathogens.
    • Merkel cells play a role in touch sensation.

    Functions and Roles

    • The integumentary system plays vital roles in regulating body temperature, protecting against pathogens and UV radiation, excretion of waste, sensory perception, synthesis of vitamin D, and more.

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    Description

    Test your knowledge on the integumentary system, which includes the skin, hair, nails, and associated glands. Dive into the layers of skin, their functions, and the importance of sensory receptors. This quiz will cover essential aspects of skin anatomy and physiology.

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