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Questions and Answers

What type of gland disintegrates the secretory cell to constitute the secretion product?

  • Cytocrine
  • Apocrine
  • Holocrine (correct)
  • Myoepithelial

    • Which type of gland involves the transfer of secretory granules to another cell?

  • Myoepithelial
  • Apocrine
  • Holocrine
  • Cytocrine (correct)

    • In which type of gland are myoepithelial cells well developed to contract and push the secretion product into the excretory duct system?

  • Holocrine
  • Cytocrine
  • Myoepithelial (correct)
  • Apocrine

    • Which type of secretion is depicted in Figure 13, where secretion granules pour out the contents by exocytosis?

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

    Which type of gland involves the elevation of the apical part of the secretory epithelium that will be part of the secretion?

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

    Which type of gland involves the transfer of secretory granules to another cell?

    <p>Cytocrine gland</p> Signup and view all the answers

    In which type of gland are myoepithelial cells well developed to contract and push the secretion product into the excretory duct system?

    <p>Apocrine gland</p> Signup and view all the answers

    Which type of secretion is depicted in Figure 13, where secretion granules pour out the contents by exocytosis?

    <p>Merocrine secretion</p> Signup and view all the answers

    What type of gland disintegrates the secretory cell to constitute the secretion product?

    <p>Holocrine gland</p> Signup and view all the answers

    Which type of gland involves the elevation of the apical part of the secretory epithelium that will be part of the secretion?

    <p>Apocrine gland</p> Signup and view all the answers

    Apocrine glands involve the elevation of the apical part of the secretory epithelium that will be part of the secretion

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

    Holocrine glands involve the transfer of secretory granules to another cell

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

    Cytocrine glands transfer secretory granules to another cell, such as melanocytes transferring melanin to other cells

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

    Myoepithelial cells are well developed in sebaceous glands to contract and push the secretion product into the excretory duct system

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

    Mixed exocrine and endocrine glands are found in the pancreas, ovary, and testicle

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

    In which type of gland are myoepithelial cells well developed to contract and push the secretion product into the excretory duct system?

    <p>Apocrine glands</p> Signup and view all the answers

    Which type of gland involves the transfer of secretory granules to another cell?

    <p>Cytocrine glands</p> Signup and view all the answers

    What type of secretion is depicted in Figure 13, where secretion granules pour out the contents by exocytosis?

    <p>Merocrine secretion</p> Signup and view all the answers

    Which type of gland involves the elevation of the apical part of the secretory epithelium that will be part of the secretion?

    <p>Apocrine glands</p> Signup and view all the answers

    What type of gland disintegrates the secretory cell to constitute the secretion product?

    <p>Holocrine glands</p> Signup and view all the answers

    Which type of gland involves the transfer of secretory granules to another cell?

    <p>Apocrine glands</p> Signup and view all the answers

    In which type of gland are myoepithelial cells well developed to contract and push the secretion product into the excretory duct system?

    <p>Apocrine glands</p> Signup and view all the answers

    What type of secretion is depicted in Figure 13, where secretion granules pour out the contents by exocytosis?

    <p>Merocrine secretion</p> Signup and view all the answers

    Which type of gland involves the elevation of the apical part of the secretory epithelium that will be part of the secretion?

    <p>Apocrine glands</p> Signup and view all the answers

    Where are mixed exocrine and endocrine glands found?

    <p>All of the above</p> Signup and view all the answers

    Match the type of gland with its specific secretion process:

    <p>Apocrine glands = Elevation of the apical part of the secretory epithelium that will be part of the secretion Holocrine glands = Disintegration of the secretory cell to constitute the secretion product Cytocrine glands = Transfer of secretory granules to another cell Myoepithelial cells = Contract and push the secretion product into the excretory duct system</p> Signup and view all the answers

    Match the gland type with its well-developed cell feature:

    <p>Apocrine glands = Elevation of the apical part of the secretory epithelium Holocrine glands = Disintegration of the secretory cell Cytocrine glands = Transfer of secretory granules to another cell Myoepithelial cells = Ability to contract and push the secretion product</p> Signup and view all the answers

    Match the specific gland with its characteristic secretion process:

    <p>Sweat glands = Apocrine secretion Sebaceous glands = Holocrine secretion Melanocytes = Cytocrine secretion Myoepithelial cells = Merocrine secretion</p> Signup and view all the answers

    Match the gland type with its location for mixed exocrine and endocrine activity:

    <p>Pancreas = Mixed exocrine and endocrine activity Ovary = Mixed exocrine and endocrine activity Testicle = Mixed exocrine and endocrine activity Melanocytes = Mixed exocrine and endocrine activity</p> Signup and view all the answers

    Match the specific gland with its primary function:

    <p>Sweat glands = Produce sweat for thermoregulation Sebaceous glands = Produce sebum for skin lubrication Melanocytes = Produce melanin for pigmentation Myoepithelial cells = Assist in pushing secretion into excretory duct system</p> Signup and view all the answers

    text

    <p>Apocrine glands involve the detachment of a cytoplasm portion from the secreting cell, for example, sweat glands and mammary glands. Holocrine glands involve the disintegration of the secretory cell to constitute the secretion product, for example, sebaceous glands. Cytocrine glands involve the transfer of secretory granules to another cell, for example, melanocytes when they transfer melanin to other cells, pigmenting them. Myoepithelial cells are well developed in some glands and have the capacity to contract. When stimulated, they contract and push the secretion product into the excretory duct system. These cells are well developed in the sweat and mammary glands.</p> Signup and view all the answers

    text

    <p>Figure 13: Secretion granule pouring out the contents by exocytosis (merocrine secretion). Figure 14: Elevation of the apical part of the secretory epithelium that will be part of the secretion (apocrine secretion). Figure 15: Secretory units of sebaceous glands (holocrine secretion).</p> Signup and view all the answers

    text

    <p>Mixed exocrine and endocrine glands are found in the pancreas, ovary, and testicle.</p> Signup and view all the answers

    text

    <p>In some glands, myoepithelial cells are interposed between the base of the secretory cells and the basement membrane. They are epithelial cells that have the capacity to contract. When stimulated, they contract and push the secretion product into the excretory duct system. These cells are well developed in the sweat and mammary glands.</p> Signup and view all the answers

    Which type of tissue is an association of cells with similar morphological and functional characteristics?

    <p>Epithelial tissue</p> Signup and view all the answers

    What modification is present on the apical surface of epithelial cells?

    <p>Microvilli and cilia</p> Signup and view all the answers

    What component is also a part of tissues along with cells in animal tissues?

    <p>Extracellular substance</p> Signup and view all the answers

    What is the primary function of myoepithelial cells in certain glands?

    <p>Contract and push the secretion product into the excretory duct system</p> Signup and view all the answers

    Which type of gland involves the transfer of secretory granules to another cell?

    <p>Cytocrine gland</p> Signup and view all the answers

    Which type of gland involves the transfer of secretory granules to another cell?

    <p>Cytocrine glands</p> Signup and view all the answers

    In which type of gland are myoepithelial cells well developed to contract and push the secretion product into the excretory duct system?

    <p>Apocrine glands</p> Signup and view all the answers

    What type of gland disintegrates the secretory cell to constitute the secretion product?

    <p>Holocrine glands</p> Signup and view all the answers

    Which type of secretion is depicted in Figure 13, where secretion granules pour out the contents by exocytosis?

    <p>Merocrine secretion</p> Signup and view all the answers

    Where are mixed exocrine and endocrine glands found?

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

    Which type of gland releases hormones directly into the intercellular fluid?

    <p>Endocrine glands</p> Signup and view all the answers

    What type of secretion do serous glands produce?

    <p>Watery secretion</p> Signup and view all the answers

    In which type of gland are myoepithelial cells well developed to contract and push the secretion product into the excretory duct system?

    <p>Exocrine glands</p> Signup and view all the answers

    Which type of gland has a system of ducts for transporting their secretion products?

    <p>Exocrine glands</p> Signup and view all the answers

    What is the mode of secretion in merocrine glands?

    <p>Release of secretory granules by exocytosis</p> Signup and view all the answers

    Which type of epithelium has two variations: keratinized and nonkeratinized?

    <p>Stratified squamous epithelium</p> Signup and view all the answers

    Where is nonkeratinized stratified squamous epithelium found in the body?

    <p>Mouth and esophagus</p> Signup and view all the answers

    Which type of epithelium appears to be stratified but is actually a single layer of cells?

    <p>Pseudostratified columnar epithelium</p> Signup and view all the answers

    Where is transitional epithelium found in the body?

    <p>Urinary system</p> Signup and view all the answers

    What is the function of glandular epithelial tissue?

    <p>Synthesis and transport of various products</p> Signup and view all the answers

    Where is simple squamous epithelium found?

    <p>Vascular system and kidney</p> Signup and view all the answers

    What is the function of epithelial tissue?

    <p>Absorption and secretion</p> Signup and view all the answers

    Which type of epithelium covers organs involved in absorption?

    <p>Simple cuboidal</p> Signup and view all the answers

    What is the function of the basement membrane?

    <p>Serves as a molecular filter and guide during cell differentiation and migration</p> Signup and view all the answers

    Which type of epithelium is found in the excretory ducts of glands and renal tubules?

    <p>Simple cuboidal</p> Signup and view all the answers

    What is the function of myoepithelial cells in certain glands?

    <p>Myoepithelial cells have the capacity to contract and push the secretion product into the excretory duct system.</p> Signup and view all the answers

    What type of secretion is depicted in Figure 14, which shows the elevation of the apical part of the secretory epithelium that will be part of the secretion?

    <p>Apocrine secretion</p> Signup and view all the answers

    Where are mixed exocrine and endocrine glands found?

    <p>Pancreas, ovary, and testicle</p> Signup and view all the answers

    In which type of gland are myoepithelial cells well developed to contract and push the secretion product into the excretory duct system?

    <p>Sweat and mammary glands</p> Signup and view all the answers

    What modification is present on the apical surface of epithelial cells in myoepithelial cells?

    <p>Myoepithelial cells have the capacity to contract</p> Signup and view all the answers

    What is the mode of secretion in holocrine glands?

    <p>The secretory cell disintegrates and constitutes the secretion product</p> Signup and view all the answers

    What type of gland involves the transfer of secretory granules to another cell, such as melanocytes transferring melanin to other cells?

    <p>Cytocrine glands</p> Signup and view all the answers

    Which type of gland releases hormones directly into the intercellular fluid?

    <p>Endocrine glands</p> Signup and view all the answers

    What is the primary function of myoepithelial cells in certain glands?

    <p>To contract and push the secretion product into the excretory duct system</p> Signup and view all the answers

    What component is also a part of tissues along with cells in animal tissues?

    <p>Extracellular matrix</p> Signup and view all the answers

    Epithelial tissue is the only type of tissue found in animals.

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

    The apical surface of epithelial cells may have microvilli and cilia.

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

    All surfaces of epithelial cells have junctional complexes with adjacent cells.

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

    The basal surface of epithelial cells has hemidesmosomes.

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

    The cells that make up the epithelial tissue are not renewed throughout the life of the animal.

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

    Apocrine glands release their secretion by exocytosis

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

    Holocrine glands involve the transfer of secretory granules to another cell

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

    Myoepithelial cells are not well developed in sweat and mammary glands

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

    Mixed exocrine and endocrine glands are found in the liver

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

    Cytocrine glands transfer secretory granules to another cell, such as melanocytes transferring melanin to other cells

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

    Stratified squamous epithelium lacks keratin in the nonkeratinized form

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

    Transitional epithelium is found in the respiratory system

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

    Pseudostratified columnar epithelium appears to be stratified due to differences in cell shapes and sizes

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

    Glandular epithelial tissue consists of cells with only excretory duct functions

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

    Secretory granules are macromolecules produced by glandular epithelial cells and are usually stored in vesicles

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

    Exocrine glands release hormones directly into the intercellular fluid, transported by blood and lymph.

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

    Serous glands produce a watery secretion, while mucous glands produce a thick and viscous secretion.

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

    Myoepithelial cells are well developed in sebaceous glands to contract and push the secretion product into the excretory duct system.

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

    Holocrine glands involve the transfer of secretory granules to another cell.

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

    Diffuse neuroendocrine system cells or APUD cells are single-celled glands that synthesize hormones.

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

    Epithelial tissue is highly vascularized, with blood vessels running through its structure.

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

    Simple squamous epithelium is found in the vascular system, kidney, pulmonary alveoli, and serous tunics of pleura and peritoneum.

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

    The basement membrane is visible with routine staining techniques.

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

    The functions of epithelial tissue do not include selective permeability.

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

    Special types of epithelia include pseudostratified and transitional.

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

    ¿Cuál es el proceso de reproducción que implica la unión de gametos?

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

    ¿Qué tipo de reproducción produce nuevos individuos sin variabilidad genética?

    <p>Reproducción asexual</p> Signup and view all the answers

    ¿Qué parte de la flor es responsable de la atracción y recompensa para los polinizadores?

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

    ¿Cuál es el tejido meristemático presente en el ápice reproductor de la flor?

    <p>$Tejido meristemático$</p> Signup and view all the answers

    ¿Cuál es el órgano femenino en una flor?

    <p>$Pistilo$</p> Signup and view all the answers

    ¿Cuál es el tipo de polinización que depende del viento como vector?

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

    ¿Cuál es el proceso que implica el transporte del polen desde la antera hasta el estigma?

    <p>$Polinización$</p> Signup and view all the answers

    ¿Qué tipo de planta produce flores sin frutos?

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

    Study Notes

    Epithelial Tissue: Structure and Functions

    • Epidermis cells renew every 28 days; small intestine's mucosa cells renew every 4-6 days
    • Basement membrane attaches epithelial cells to connective tissue and serves as a molecular filter and guide during cell differentiation and migration
    • Basement membrane is not visible with routine staining but can be observed with special techniques and electron microscope
    • Epithelial tissue is avascular, except for the stria vascularis of the organ of Corti
    • Functions of epithelial tissue include protection, transcellular transport, secretion, absorption, and selective permeability
    • Epithelial tissue is found in two forms: lining epithelium and glandular epithelium
    • Lining epithelial tissue can be simple (one layer of cells) or stratified (multiple layers), and can be flat, cuboidal, or columnar
    • Special types of epithelia include pseudostratified and transitional
    • Simple squamous epithelium is found in the vascular system, kidney, pulmonary alveoli, and serous tunics of pleura and peritoneum
    • Simple cuboidal epithelium lines excretory ducts of glands, renal tubules, choroid plexuses, and ciliary bodies
    • Simple columnar epithelium covers organs involved in absorption (e.g., small and large intestine) or secretion (e.g., bulbourethral gland)
    • Illustrations: simple squamous epithelium in Bowman's capsule, simple cuboidal epithelium in mucous gland excretory ducts, and simple columnar epithelium in the gallbladder

    Epithelial Tissue: Structure and Functions

    • Epidermis cells renew every 28 days; small intestine's mucosa cells renew every 4-6 days
    • Basement membrane attaches epithelial cells to connective tissue and serves as a molecular filter and guide during cell differentiation and migration
    • Basement membrane is not visible with routine staining but can be observed with special techniques and electron microscope
    • Epithelial tissue is avascular, except for the stria vascularis of the organ of Corti
    • Functions of epithelial tissue include protection, transcellular transport, secretion, absorption, and selective permeability
    • Epithelial tissue is found in two forms: lining epithelium and glandular epithelium
    • Lining epithelial tissue can be simple (one layer of cells) or stratified (multiple layers), and can be flat, cuboidal, or columnar
    • Special types of epithelia include pseudostratified and transitional
    • Simple squamous epithelium is found in the vascular system, kidney, pulmonary alveoli, and serous tunics of pleura and peritoneum
    • Simple cuboidal epithelium lines excretory ducts of glands, renal tubules, choroid plexuses, and ciliary bodies
    • Simple columnar epithelium covers organs involved in absorption (e.g., small and large intestine) or secretion (e.g., bulbourethral gland)
    • Illustrations: simple squamous epithelium in Bowman's capsule, simple cuboidal epithelium in mucous gland excretory ducts, and simple columnar epithelium in the gallbladder

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    Description

    Test your knowledge of the layers and characteristics of stratified squamous epithelium in this quiz. Explore the differences between keratinized and non-keratinized forms and understand their roles in the body.

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