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AnatomyNasalWard1
Microanatomy of the Nasal Cavity and Sinuses-Ward- 1/3/13
| Question | Answer |
|---|---|
| What two bones make up the nasal septum | Vomer and ethmoid |
| Hard palate is made of what two bones | Palatine and maxilla |
| Hairs in the nasal vestibule do what? | Trap large particles |
| What gives the nose its typical shape and resiliency? | Nasal cartilage |
| What separates the right and left nasal cavities and fuses with the hard palate? | Nasal septum |
| A deviated septum can do what? | Impede airflow and predispose to congestion |
| A blow out fracture is seen in the | Medial orbit in the ethmoid bone |
| Fracture of the ethmoid bone's cribiform plate can cause | CSF rhinorrhea |
| The nasal vestibule is covered by what type of cells? | Stratified squamous epithelium |
| Almost all of the respiratory tract is covered by | Pseudostratified ciliated columnar epithelium |
| Cells of respiratory epithelium | Ciliated cells(move mucous), Goblet cells (create mucous), Small granule cells (endocrine), brush cells (sensory), Basal cells (stem cells) |
| Nasal polyps are what? | Benign overgrowths of the nasal mucosa. May require surgery but are usually idiopathic. Can be due to prolonged respiratory irritation |
| The upper third of the lateral nasal cavity and nasal septum is lined by | Olfactory epithelium |
| Olfactory epithelium contain olfactory glands in the lamina propria release a serous fluid to dissolve and bind odorant molecules. These glands are called | Bowman's capsules |
| Olfactory epithelium contain what type of sensory cells | Bipolar sensory nerve cells with olfactory vesicles sprouting modified cilia |
| Kesselbachs area is where | All nasal blow flow interrelates |
| What connects each nasal cavity to the nasopharynx | Choanae |
| Arteries to the kesselbach area | Incisive, anterior ethmoidal, Facial |
| Arteries that feed to the back of the nasal cavity | Posterior ethmoidal, Sphenopalatine, and Maxillary |
| CSF rhinorrhea is a result from a broken | Cribiform plate |
| Sphenoid sinus drains into the | Sphenoeithmoidal recess |
| Posterior ethmoid air cells drain to the | Superior meatus |
| Anterior ethmoid air cells and middle ethmoid air cells drain to | Ethmoid bulla and then into the middle meatus |
| Frontal sinus and maxillary sinus drain to the | Semilunar hiatus and then middle meatus |
| Nasolacrimal duct drains to | Inferior meatus |
| Opening of the auditory tube drains to | Nasopharynx |
| Site of frequent sinusitis because sinus enters at a superior -oblique angle | Maxillary sinus |
| Children are more susceptible to ear infections because | The auditory tube is more horizontal than an adult |
| When mastoid air cells because infected, this can lead to | Mastoiditis |
| Maxillary sinusitis can put pressure on which nerves to cause the perception of tooth facial pain? | Infraorbital and superior alveolar nerves |
| In the oropharynx and esophagus, respiratory epithelium is replaced by | Non-keratinized stratified squamous epithelium because of high impact |
Created by:
mcasto
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