Term
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Definition
| what is located primarily on the tongue, but also scattered over the palate, pharynx, and epiglottis? |
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Term
| papillae (except filliform) |
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Definition
taste buds are located on the
______ of the tongue |
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Term
| 3,000-10,000, many degenerate past age 45 |
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Definition
| how many taste buds do adults have? past what age do many degenerate? |
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Term
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Definition
| consist of 20-30 spindle-shaped central taste cells containing terminal taste hairs |
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Term
| 10 days, they are continually lost and replaced |
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Definition
| what is the lifespan of taste buds in most mammals? |
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Term
|
Definition
| what do the taste hairs project into? |
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Term
| a glycoprotein coat covers the hairs whcih are surrounded by sustentacular cells |
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Definition
| what covers and surrounds taste hairs? |
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Term
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Definition
| what kind of nerve endings are taste cells associated with? |
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Term
|
Definition
| list the cranial nerves that innervate taste buds |
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Term
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Definition
| most numerous lingual papillae |
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Term
|
Definition
| which lingual papillae are keratinized? |
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Term
| they are distributed in parallel rows |
|
Definition
| how are filiform papillae arranged on the tongue? |
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Term
|
Definition
| mushroom shaped papillae that are scattered among the filiform papillae |
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Term
|
Definition
| where are taste buds located on fungiform papillae? |
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Term
| in transverse furrows/ridges on the caudal lateral portion of the tongue |
|
Definition
| where are foliate papillae found on the tongue? |
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Term
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Definition
| what papillae contain taste buds in chidren that degenerate with age, and are responsible for your change in taste with age? |
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Term
| 8-12 LARGE, dome-shaped papillae anterior to the sulcus terminalis |
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Definition
| where are circumvallate papillae found? how many? what shape? |
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|
Term
1)circumvallate papillae
2) fungiform papillae
3) foliate papiilae
4) filiform papillae |
|
Definition
| list the types of papillae from most taste-buds to least |
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Term
|
Definition
| what papillae are associated with von Ebner's glands? |
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Term
| found at the lateral base of circumvallate papillae, they are salivary glands |
|
Definition
| where are von Ebner's gland found, and what are they? |
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Term
| scattered throughout the tongue musculature (in the lamina propria, between muscule layers) |
|
Definition
| where can accessory salivary glands be found? |
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Term
| saliva (this is why it is hard to taste things with a dry mouth) |
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Definition
| acts as a carrier medium for sense of taste by increasing the surface area between hairs and food |
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Term
| salty, sweet, bitter, sour, umami |
|
Definition
| what are the 4(5) tastes? |
|
|
Term
anterio-lateral margin: salty
anterio-medial(tip): sweet
posterio-lateral margin: sour
caudal: bitter (circumvallate papillae) |
|
Definition
| describe the location of taste buds for specific tastes on the tongue according to Morrow |
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Term
|
Definition
| this taste is associated with increased circumvallate papilae |
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Term
|
Definition
| this detects certain amino acids, like glutamate, characteristic of foods like apsaragus, tomatoes, beef, cheese, MSG |
|
|
Term
yes, some people taste pheylthiocarbamide (PTC) some don't
[I do, it tastes like crap, you aren't missing out] |
|
Definition
| is there a genetic basis for taste? give an example |
|
|
Term
| decreased ability to detect taste (in general or a specific thing) |
|
Definition
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|
Term
| fungiform papillae (not sure what he is talking about here)? |
|
Definition
| there is a heriditary condition that leads to total absence of taste buds and ____ |
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Term
| in respiratory epithelium |
|
Definition
| where are olfactory receptors found? |
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Term
|
Definition
| name respiratory epithelium of the nasal cavity |
|
|
Term
| tall, pseudostratified, columnar epithelium |
|
Definition
| describe the cells of olfactory epithelium |
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|
Term
1) olfactory receptor cells
2) supporting/sustentacular cells
3) basal epithelial cells |
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Definition
| name the 3 cell types of olfactory epithelium |
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Term
|
Definition
| bipolar neurons with a dilated apex containing non-motile sensory cilia |
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Term
|
Definition
| dilated apex of olfactory receptor cells |
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Term
|
Definition
| non-motile sensory cilia that project into the mucus layer on the surface of olfactory membrane |
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Term
|
Definition
| how are microtubules arranged in cilia? |
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Term
| on the cilia (olfactory hairs) |
|
Definition
| where are the receptors that odorant molecules bind? |
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Term
|
Definition
| axons from the olfactory receptor cells travel in bundles through the cribiform plate of the ____ bone to the olfactory bulb of the brain |
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Term
|
Definition
| what is the lifespan of an individual olfactory neuron? |
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Term
| olfactory neurons, continuous neurogenesis |
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Definition
| what are the only neurons in adults that are continuously replaced? what is the term for this? |
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Term
|
Definition
| these cells have surface microvilli that intermingle with cilia from the receptor cells |
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Term
|
Definition
| these cells provide structural, mechanical, and physiological support for olfactory receptor cells |
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Term
|
Definition
| possibly a progenitor stem cell in nasal mucosa |
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Term
| found in the lamina propria or submucosa, they lubricate olfactory epithelium |
|
Definition
| where are Bowman's glands found, what do they do? |
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Term
|
Definition
| inability to smell a particular scent, like formaldehyde(Morrow) |
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Term
|
Definition
| inability to detect odors |
|
|
Term
it can be permanent, or transient (remember banana lady?)
it can be specific to certain scents, or general |
|
Definition
|
|
Term
| 1) filiform paillae 2) fungiform papillae (foliate papillae, in kids at least)? 3) circumvallate (only 8-10) |
|
Definition
| list the lingual papillae in order of most to least present on the tongue |
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