Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Respiratory System S
Respiratory system
| Question | Answer |
|---|---|
| True or False: At some point the vasculature directly interacts with air | False. At no point does the vasculature directly interact with the air |
| What is the part called that does not actually do respiration? | conducting airway |
| Where does the actual respiration occur? | Alveolar structures |
| What is the role of hair in our nostrils? | To protect us |
| What types of cells are present where the air is coming in? | Stratified squamous from the nasal cavity to the larynx |
| What do we have to do with the air coming in? | Humidify it and warm it |
| What does the conducting part of the respiratory system do? | Conditioning the air to get the moisture level up |
| Does respiratory epithelium have to do with respiration? | No. It has to do with conditioning the air |
| What is olfactory epithelium? | It is specialized differentiated tissue that is in the nasal cavity |
| What do bones form in the nasal cavity? | Conchae or turbinates. As you suck in air it flows over these conchae and gives it time to warm up |
| Describe the look of respiratory epithelium | It has goblet cells and a ciliated surface |
| Is there an abrupt change fromt he respiratory to the olfactory epithelium? | Yes |
| What are the very specialized sensory cells called in the olfactory epithelium? | Bi-polar neuron |
| Describe the role of bi-polar neuron | It connects the signals to nerve bundles of the olfactory nerve which will go directly to the brain. Has processes that have receptors for various odorants |
| Desribe Bowman's glands | Release a very serous-like secretion into the luminal space that is important for how the olfactory epithelium works |
| Describe sustenticular cells of the olfactory epithelium | Nutritional support to the bi-polar neuron |
| Describe the basal cells | It is columnar epithelium. Mixture of different types of cells. It functions as a stem cell to the sustenticular supporting cells |
| Describe Brush cells | type of sensory cell, very thin columnar cell that has a rigid sensory process on top. It is sensitive to mechanical and chemical perturbation, sensing the flow and movement of things across the surface |
| Describe the dendritic side of the olfactory cell | On the surface of the lumen of nasal cavity that has 9+2 arrangement but is missing dynein so it is non-motile cilia |
| Are the neurons regenerating in the nasal cavity? | Yes. constantly regenerating |
| What is one of the first things you notice in a neurodegenerative disease like alzheimers or parkinsons? | Sense of smell |
| What type of fluid does Bowman's gland secrete across the membrane? | Proteinaceous/ aueaous fluid. It is humidfying the air and washing the surface where the odor is. It dribbles out of our nose or we swallow it |
| What do microvilli due to the fluid? | Absorbs the fluid to keep the flow moving |
| Name the 2 ways air is coming into the larynx | Through the epiglotis through our mouth and through the nasal cavity |
| What types of cells are present in the larynx? | Stratified squamous. Taste buds sit in the stratified squamous |
| How does the epithelium change from the larynx to the trachea over a wide range? | From straified squamous to psuedostratified ciliated columnar epithelium aka respiratory epithelium |
| What can cause squamous carcinomas? | When they keep changing back and forth |
| True or False: In the trachea we see a cartiliginous ring | True. Hyaline cartilage |
| What is at the end of each carilaginous ring? | Smooth trachealis muscle |
| Why do the ring keep an open space? | So air can come in and waste and carbon dioxide can leave |
| What is in between the submucosa and ring? | Adventia |
| What makes up the mucosa? | The lamina propria and epithelium |
| What border is between the mucosa and submucosa? | Elastic lamina |
| In what direction does the cilia in the repirator epithelium in the trachea or bronchi beat? | In one direction to drive the mucus up so it can be swallowed or spit out |
| In what direction does the cilia in the respiratory epithelium in the nasal cavity beat? | Down |
| What happens if the cilia synchrony goes out? | We build up huge mucus deposits in our lungs and have to cough it up leading back to straified squamous |
| True or False: All epithelial cells contain tight junctions | True. Ex. Psuedostrafied ciliated columnar, goblet cells, basal cells, brush cells and smal granular cells |
| Describe small granular cells | Contain traditional types of neurotransmitters and are connected to the neuronal system. Their secretory side is the basal side into the vasculature in the lamina propria. called kulchitsky cell. Known to give rise to tumors |
| When does the respiratory epithelium stop | When we get to the bronchioles |
| What are Clara cells? | cuboidal cells that are secretory cells but don't secrete mucus |
| What do Clara cells secrete? | Lipoprotein and its a merocrine secretion. the protein attaches to the membrane and the lipid part is helping keep the airways from sticking to each other. Secrete bacterial killing proteins |
| Desribe the respiratory bronchiole | Where there is outcropping of developing alveoli |
| is there respiration in the cuboidal part of the bronchiole? | No. In the thin outcroppings there is |
| Desribe Type II alveolar cells | cuboidal. produces surfactant. secretes proteins that kill bacteria. Is a stem cell for Type I |
| Decribe type I alveolar/pneumocyte cells | Where respiration takes place. very thin. creates a thin layer so gas exchange can occur |
| What is on top of the alveolar cells? | Phospholipid bilayer that drops the surface tension so the solubility of oxygen and other gases is much lower and more efficient |
Created by:
Kahiranoel@gmail.com
Popular Histology sets