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Questions and Answers
What is a function of the nasal cavity?
What is a function of the nasal cavity?
Which component of the respiratory system belongs to the intrapulmonary portion?
Which component of the respiratory system belongs to the intrapulmonary portion?
Which type of cells are found in the olfactory epithelium?
Which type of cells are found in the olfactory epithelium?
The olfactory epithelium can be identified by the shape and location of the nuclei in which of the following cell types?
The olfactory epithelium can be identified by the shape and location of the nuclei in which of the following cell types?
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Which of the following is NOT part of the respiratory portion of the respiratory system?
Which of the following is NOT part of the respiratory portion of the respiratory system?
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What type of epithelium makes up the olfactory epithelium?
What type of epithelium makes up the olfactory epithelium?
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Study Notes
Histology of the Respiratory System
Components of Respiratory System
- The respiratory system consists of two main parts: extrapulmonary and intrapulmonary.
- Extrapulmonary components include:
- Nasal cavity
- Larynx
- Trachea
- Primary bronchi
- Intrapulmonary components include:
- Conducting portion (responsible for gas exchange)
- Secondary bronchi
- Bronchioles
- Terminal bronchioles
Respiratory Portion
- The respiratory portion of the respiratory system consists of:
- Respiratory bronchiole
- Alveolar duct
- Alveoli (where gas exchange occurs)
Nasal Cavity Functions
- The nasal cavity has two main functions:
- Olfactory function (sense of smell)
- Respiratory function (process of taking in gas and producing energy)
Olfactory Epithelium and Respiratory Epithelium
- Olfactory epithelium is a type of tall pseudostratified columnar epithelium.
- Olfactory epithelium consists of three distinct cell types:
- Supportive cells (subcentriocular cells) with oval-shaped nuclei
- Basal cells
- Neuroepithelial olfactory cells with oval-shaped nuclei, differing in location and shape from supportive cells.
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Description
This quiz covers the components of the respiratory system, including the nasal cavity, larynx, trachea, and bronchi. It also explores the respiratory portion, including respiratory bronchioles, alveolar ducts, and alveoli.
