Histology Epithelium Tissues

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Questions and Answers

Which type of tissue forms cellular sheets lining the cavities of organs and covering the body surface?

  • Connective tissue
  • Nervous tissue
  • Epithelial tissue (correct)
  • Muscle tissue

What is the main function of the basal lamina in epithelial tissues?

  • Visible to light microscope
  • Secretion of biologically active molecules (correct)
  • Active transport
  • Facilitate gas exchange

Which type of tissue is responsible for strong contraction and body movements?

  • Epithelial tissue
  • Connective tissue
  • Muscle tissue (correct)
  • Nervous tissue

What is the function of reticular lamina in epithelial tissues?

<p>Facilitate movement of viscera (D)</p> Signup and view all the answers

Which type of tissue participates in glandular secretion?

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

Where can muscle tissue be observed in the human body?

<p>Luminal surface of heart and blood vessels (A)</p> Signup and view all the answers

What is the main function of nervous tissue?

<p>Transmission of nerve impulses (A)</p> Signup and view all the answers

How are epithelial tissues classified based on layers?

<p>By the number of layers (D)</p> Signup and view all the answers

Which word in the naming of epithelial tissues describes the shape of cells?

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

What defines simple cuboidal epithelium?

<p>One layer of squared shape cells with spherical nuclei (D)</p> Signup and view all the answers

In epithelial tissues, what accessory structures may be included in their name?

<p>Presence of microvilli or cilia for specific functions (D)</p> Signup and view all the answers

Where can simple columnar epithelium be mainly found based on the provided information?

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

What is a characteristic of simple squamous epithelium?

<p>Single layer of flattened cells (C)</p> Signup and view all the answers

Which function is NOT associated with simple squamous epithelium as per the text?

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

Where is simple columnar epithelium specialized for active secretion and absorption mainly found according to the information provided?

<p>Kidney collecting tubules (B)</p> Signup and view all the answers

Which structure is typically present on the apical surface of simple columnar epithelium based on the content?

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

In which organ can simple squamous epithelium be mainly found according to the provided details?

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

Which type of glands secrete substances directly into the blood stream?

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

What is the most common method of protein or glycoprotein secretion in glands?

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

Which type of glands accumulate products continuously, leading to complete cell disruption for secretion?

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

Which gland type connects to the body surface by ducts to transport secretions out?

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

In which glands do ducts from several secretory units converge into larger ducts with two or more branches?

<p>Compound glands (D)</p> Signup and view all the answers

Which type of secretion involves cells secreting substances via exocytosis from vesicles or granules?

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

What type of epithelium is found in the urinary tract from the kidney to the proximal part of the urethra?

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

In what type of environment is keratinized epithelium typically found?

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

Which epithelial type is heavily ciliated to transport mucus-trapped particles?

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

Where is nonkeratinized epithelium primarily found in the body?

<p>Mouth (D)</p> Signup and view all the answers

Which type of transport mechanism does not require metabolic energy (ATP)?

<p>Passive transport (A)</p> Signup and view all the answers

Where can stratified cuboidal epithelia be found?

<p>Excretory ducts of salivary glands (B)</p> Signup and view all the answers

Flashcards

Epithelial Tissue

Forms cellular sheets lining organ cavities and covering the body surface.

Basal Lamina Function

Secretes biologically active molecules

Muscle Tissue

Responsible for strong contraction and body movements.

Reticular Lamina Function

Facilitates movement of viscera.

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Epithelial Tissue

Participates in glandular secretion.

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Location of Muscle Tissue

Luminal surface of heart and blood vessels.

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Nervous Tissue

Transmission of nerve impulses.

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Epithelial Tissue Classification

Classified by the number of layers.

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Shape Description

Describes the shape of cells.

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Simple Cuboidal Epithelium

One layer of squared shape cells with spherical nuclei

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Epithelial Accessory Structures

Presence of microvilli or cilia for specific functions

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Simple Columnar Epithelium Location

Found mainly in the respiratory tract

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Simple Squamous Epithelium

Single layer of flattened cells.

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Simple Squamous Epithelium

It is not associated with lubrication

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Simple Columnar Epithelium Location

Found mainly in kidney collecting tubules.

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Apical Surface Structure

Microvilli

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Simple Squamous Epithelium Location

Mainly found in the Small intestine

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Endocrine Glands

Secrete substances directly into the bloodstream.

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Merocrine Secretion

Secretes substances via exocytosis from vesicles or granules

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Holocrine Glands

Accumulate products continuously, leading to complete cell disruption for secretion

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Exocrine Glands

Connect to the body surface by the use of ducts to transport secretions out

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Compound Glands

Ducts from several secretory units converge into two or more branches

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Merocrine Secretion

Secretion occurs via exocytosis from vesicles or granules

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Stratified Epithelium

Found in the urinary tract from the kidney to the proximal part of the urethra

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Keratinized Epithelium Environment

Dry Environment

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Pseudostratified Columnar Epithelium

Heavily ciliated to transport mucus-trapped particles

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Nonkeratinized Epithelium

Mouth

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Passive Transport

Does not require metabolic energy (ATP)

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Location of Stratified Cuboidal Epithelia

Excretory ducts of salivary glands

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