Term
| What is cartilaginous and bony and divides the nasal cavity into right and left halves |
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Definition
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Term
| Each opening into the nasal cavity (nostril) is what? |
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Definition
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The anterior part of the nasal cavity is the what?
It is lined with skin, and growing from this skin are coarse nasal hairs that act as air filters. |
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Definition
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Term
| What is located posterior to the nasal vestibule? |
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Definition
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Term
| Extending from each lateral wall of the nasal cavity proper are three bony shelves called the superior, middle and inferior what? |
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Definition
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Term
| The conchae extend toward the nasal septum, and divide the nasal cavity proper into three passageways called what? |
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Definition
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Term
| What lines the mucosa of the nasal cavity proper? |
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Definition
| Pseudostratified ciliated columnar epithelium |
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Term
| Pseudostratified ciliated columnar epithelium contains what type of cells? |
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Definition
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Term
| Passageways on either side of the nasal septum; they connect the nasal cavity to the pharynx (throat) |
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Definition
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Term
| A bony structure that forms the floor of the nasal cavity and the roof of the oral cavity |
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Definition
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Term
| Posterior to the hard palate; This muscular structure curves downward along the anterior wall of the upper throat. It ends as a nipple-like projection. |
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Definition
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Term
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Definition
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Term
| Also known as the throat. It is a funnel shaped five-inch long passageway that extends from the internal nares downward to the esophagus and larynx. |
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Definition
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Term
| Three sections of the pharynx |
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Definition
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Term
The upper part, lying behind the nasal cavity
There are two prominent features |
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Definition
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Term
| What tonsil lies in the posterior wall of the nasopharynx? |
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Definition
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Term
| The small tubes of what connect the nasopharynx o the middle ear and help to equalize air pressure on either side of the eardrum |
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Definition
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Term
| What epithelium lines the nasopharynx? |
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Definition
| pseudostratified ciliated columnar epithelium |
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Term
| what is the middle part of the pharynx, located behind the oral cavity; it extends from the soft palate downward to the level of the hyoid bone |
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Definition
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Term
| what is located on either side just behind the arch-like opening |
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Definition
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Term
| At the base of the tongue are two what? |
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Definition
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Term
| What kind of epithelium is the oropharynx lined with? |
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Definition
| nonkeratinized stratified squamous epithelium |
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Term
| The inferior part of the throat is the what? |
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Definition
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Term
| What epithelium lines the laryngopharynx? |
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Definition
| nonkeratinized stratified squamous epithelum |
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Term
| Both are common passageways for for air, food and drink |
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Definition
| oropharynx and laryngopharynx |
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Term
| Another name is windpipe; It extends from the cricoid cartilage of the larynx into the chest where it divides and passes air to and from the lungs |
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Definition
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Term
| C-shaped hyaline cartilage struts that support the trachea and keep it open. |
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Definition
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Term
| The cartilages do not continue posteriorly and an elastic what connects their open ends? |
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Definition
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Term
| Embedded in the tracheal membrane is a what? The muscle can constrict the trachea |
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Definition
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Term
| What connects the tracheal cartilages to each other? |
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Definition
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Term
| What is the function of the tracheal membrane? |
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Definition
| It allows the esophagus to enlarge as food passes thru |
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Term
| What consists of a mucous membrane with pseudostratified ciliated columnar epithelium? |
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Definition
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Term
| What is the tip of the lung called? |
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Definition
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Term
| What part of the lung is strongly concave? |
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Definition
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Term
| The curvature of the dome-shaped _____________, the main muscle of respiration |
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Definition
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Term
| What divides each lobe into lungs? |
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Definition
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Term
| Does the right lung have one or two fissures? Which one(s)? |
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Definition
2.
Oblique fissure- passes diagonally down its front
Horizontal fissure |
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Term
| What do the two fissures produce in the right lung? |
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Definition
| An inferior, middle and superior lobe in the right lung |
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Term
| Does the left lung have one or two fissures? Which one(s)? |
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Definition
1.
Oblique fissure- dividing it into inferior and superior lobes |
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Term
On the medial edge of the left lung is a deep indentation called the what?
**This notch accommodates the left facing apex of the heart |
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Definition
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Term
| The medial surface of each lung has a split shaped area called what? |
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Definition
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Term
| enclosing each lung is a potential space called the what? |
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Definition
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Term
| What forms the outer wall of the pleural cavity and what forms the inner wall? |
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Definition
Outer wall- parietal pleura
Inner- visceral pleura
**The mediastinum separates the two pleural cavities |
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Term
| The primary (mainstream) bronchi are divisions of the trachea that transport air to each lung. What else are they called? |
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Definition
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Term
| Which one is shorter, larger in diameter, and more vertical than the left one |
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Definition
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Term
| What are divisions of the primary bronchi? |
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Definition
Secondary (lobar) bronchi
** There are 3 in the right lung and 2 in the left lung |
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Term
| What are divisions of the secondary bronchi? |
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Definition
| Tertiary(segmental) bronchi |
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Term
What are small muscular airways that are usually one millimeter or less in diameter?
They are the first airway branches to no longer contain cartilage |
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Definition
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Term
| What else are bronchioles known as? |
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Definition
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Term
| What does asthma have to do with the bronchioles? |
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Definition
| Excessive mucus limits airflow in bronchioles |
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Term
| What airways conduct air to small lung compartments called lobules? |
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Definition
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Term
| What delivers air to small chambers where gas exchange occurs? |
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Definition
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Term
| The small, bubble like chambers where gas exchange occurs are? What is one chamber called? |
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Definition
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Term
| At the end of a respiratory bronchiole, numerous alveoli form grape-like clusters called what? |
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Definition
alveolar sacs
**Most gas exchange occurs in alveolar sacs |
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Term
| What supplies air to each alveolar sac? |
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Definition
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Term
| Squamous cells are also known as what? |
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Definition
Type 1 (alveolar) cells
**They form the bulk of the alveoli |
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Term
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Definition
Septal cells. They are scattered along the alveolar.
The secrete a phospholipid, protein mixture called the surfactant |
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Term
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Definition
| Dust cells. Aveolar macrophages that patrol the inside of the alveolus and phagocytize dust particles |
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