Epithelium 2

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Questions and Answers

Which type of glands secrete their product through ducts?

  • Serous glands
  • Unicellular glands
  • Mucous glands (correct)
  • Endocrine glands

What is the function of the stroma in a gland?

  • To support connective tissue (correct)
  • To secrete hormones
  • To form secretory units
  • To produce ducts

What are the two major groups into which glands are classified?

  • Unicellular and multicellular glands
  • Mucous and serous glands
  • Exocrine and endocrine glands (correct)
  • Pseudostratified and stratified glands

What is the function of endocrine glands?

<p>To secrete hormones into connective tissue (C)</p> Signup and view all the answers

What is the parenchyma of a gland?

<p>The parts directly concerned with its function (D)</p> Signup and view all the answers

How are exocrine glands classified?

<p>Based on the shape of their secretory units and ducts (C)</p> Signup and view all the answers

What do endocrine glands secrete into connective tissue?

<p>Hormones (C)</p> Signup and view all the answers

What are the microscopic characteristics of mucous and serous glands?

<p>Mucous glands have pale-staining secretions, while serous glands have dark-staining secretions (D)</p> Signup and view all the answers

What are the secretions of endocrine glands called?

<p>Hormones (C)</p> Signup and view all the answers

What is the mode of secretion of exocrine glands?

<p>Merocrine, apocrine, and holocrine (B)</p> Signup and view all the answers

What is the function of the duct system in glands?

<p>To transport secretions to the blood (B)</p> Signup and view all the answers

What is the function of the secretory component of unicellular glands?

<p>To secrete product as a single cell (B)</p> Signup and view all the answers

Which type of gland is the submandibular salivary gland?

<p>Mixed gland with both serous and mucous cells (B)</p> Signup and view all the answers

What is the mode of secretion of the sebaceous gland?

<p>Holocrine (C)</p> Signup and view all the answers

What characterizes the mucous membrane?

<p>Contains glands that secrete mucus (D)</p> Signup and view all the answers

Which gland is predominantly serous in nature?

<p>Parotid gland (A)</p> Signup and view all the answers

What is the mode of secretion of the mammary gland for lipid and protein secretion?

<p>Apocrine for both lipid and protein secretion (C)</p> Signup and view all the answers

Where are goblet cells primarily found?

<p>Intestines and respiratory tract (C)</p> Signup and view all the answers

What is the distinguishing feature of serous glands?

<p>Rounded or oval nucleus (B)</p> Signup and view all the answers

What is the mode of secretion of most exocrine glands?

<p>Merocrine (B)</p> Signup and view all the answers

Which type of gland is the gastric gland?

<p>Simple coiled tubular (B)</p> Signup and view all the answers

What type of secretion is produced by mucous glands?

<p>Slimy and viscous secretion (C)</p> Signup and view all the answers

What is the distinguishing feature of the secretory material released by apocrine secretion?

<p>Adherent cytoplasm (A)</p> Signup and view all the answers

What is the distinguishing feature of the serous membrane?

<p>Lines closed body cavities (D)</p> Signup and view all the answers

Flashcards

Exocrine Glands

Secrete products through ducts.

Stroma Function

Provides support and nutrients to the gland.

Gland Types

Exocrine and endocrine glands.

Endocrine Glands

Secrete hormones directly into the bloodstream.

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Gland Parenchyma

Functional part of the gland that performs secretion.

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Exocrine Modes

Merocrine, apocrine, and holocrine.

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Endocrine Secretion

Secrete hormones into connective tissue.

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Submandibular Gland

Mixed gland with both mucous and serous acini.

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Mucous vs. Serous

Mucous: mucin secretion. Serous: watery secretion.

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Endocrine Secretions

Hormones.

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Exocrine Secretion

Through ducts.

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Duct System Function

Collects and transports gland secretions to the surface.

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Secretory Component

Produces and secretes the product in unicellular glands.

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Sebaceous Gland

Holocrine secretion.

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Mucous Membrane

Presence of mucin, a glycoprotein.

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Serous Glands

Serous acini and a watery secretion.

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Mammary Gland

Merocrine mode.

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Goblet Cell Location

Epithelial lining of respiratory, gastrointestinal, and female reproductive tracts.

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Most Exocrine Glands

Merocrine mode of secretion.

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Gastric Gland

Secretes digestive enzymes.

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Mucous Glands

Produce a mucin-containing secretion.

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Apocrine Secretion

Loss of the apical portion of the cell.

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Serous Membrane

Presence of a thin layer of serous fluid.

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Holocrine Secretion

Sebaceous gland secretes through it.

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Study Notes

Types of Glands

  • Exocrine glands secrete their product through ducts.

Function of Stroma

  • The stroma provides support to the gland and allows for the delivery of oxygen and nutrients.

Classification of Glands

  • Glands are classified into two major groups: exocrine and endocrine glands.

Function of Endocrine Glands

  • Endocrine glands secrete hormones directly into the bloodstream.

Parenchyma of a Gland

  • The parenchyma of a gland is the functional part of the gland that performs secretion.

Classification of Exocrine Glands

  • Exocrine glands are classified based on their mode of secretion: merocrine, apocrine, and holocrine.

Secretion of Endocrine Glands

  • Endocrine glands secrete hormones into connective tissue.

Characteristics of Mucous and Serous Glands

  • Mucous glands have a mucous acinus with a mucin-containing secretion, while serous glands have a serous acinus with a watery secretion.

Secretions of Endocrine Glands

  • The secretions of endocrine glands are called hormones.

Mode of Secretion of Exocrine Glands

  • Exocrine glands secrete their products through ducts.

Function of Duct System

  • The duct system collects and transports the secretions of the gland to the surface.

Function of Secretory Component

  • The secretory component of unicellular glands produces and secretes the product.

Characteristics of Submandibular Salivary Gland

  • The submandibular salivary gland is a mixed gland with both mucous and serous acini.

Mode of Secretion of Sebaceous Gland

  • The sebaceous gland secretes through holocrine secretion.

Characteristics of Mucous Membrane

  • The mucous membrane is characterized by the presence of mucin, a glycoprotein.

Characteristics of Serous Glands

  • Serous glands are characterized by the presence of serous acini and a watery secretion.

Mode of Secretion of Mammary Gland

  • The mammary gland secretes lipid and protein through a merocrine mode of secretion.

Location of Goblet Cells

  • Goblet cells are primarily found in the epithelial lining of the respiratory, gastrointestinal, and female reproductive tracts.

Characteristics of Serous Glands

  • Serous glands are characterized by the presence of serous acini and a watery secretion.

Mode of Secretion of Most Exocrine Glands

  • Most exocrine glands secrete through a merocrine mode of secretion.

Characteristics of Gastric Gland

  • The gastric gland is a type of exocrine gland that secretes digestive enzymes.

Secretion of Mucous Glands

  • Mucous glands produce a mucin-containing secretion.

Characteristics of Apocrine Secretion

  • Apocrine secretion is characterized by the loss of the apical portion of the cell.

Characteristics of Serous Membrane

  • The serous membrane is characterized by the presence of a thin layer of serous fluid.

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