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Used to distinguish new sessions and visits. This cookie is set when the GA.js javascript library is loaded and there is no existing __utmb cookie. The cookie is updated every time data is sent to the Google Analytics server.
30 minutes after last activity
__utmc
Used only with old Urchin versions of Google Analytics and not with GA.js. Was used to distinguish between new sessions and visits at the end of a session.
End of session (browser)
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6 months after last activity
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2 years after last activity
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Used to determine whether a user is included in an A / B or Multivariate test.
18 months
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ID used to identify users
2 years
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Used by Google Analytics to determine which links on a page are being clicked
30 seconds
_ga_
ID used to identify users
2 years
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ID used to identify users for 24 hours after last activity
24 hours
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Used to monitor number of Google Analytics server requests when using Google Tag Manager
1 minute
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Contains information related to marketing campaigns of the user. These are shared with Google AdWords / Google Ads when the Google Ads and Google Analytics accounts are linked together.
90 days
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2 years after last activity
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Used to monitor number of Google Analytics server requests
10 minutes
Histology Art (MT 30 – I) 2022 4 years, 1 month ago Histology Art: Respiratory System Tissues
A central elastic cartilage of epiglottis forms the framework of the epiglottis. Its lingual mucosa (anterior side) is lined with a stratified squamous nonkeratinized epithelium.
The underlying lamina propria merges with the connective tissue perichondrium of the elastic cartilage of the epiglottis.
• Wall consists of mucosa, submucosa, hyaline cartilage, and adventitia
• Cartilage C rings keep the trachea open with gaps between rings filled with trachealis muscle
• The lining is a pseudostratified ciliated columnar epithelium with goblet cells
• Submucosa contains seromucous tracheal glands with ducts opening into the trachea lumen
The interalveolar septa consist of simple squamous alveolar cells, fine connective tissue fibers and fibroblasts, and numerous capillaries located in the thin interalveolar septa.
The thin interalveolar septa bring the capillaries close to the squamous alveolar cells of the adjacent alveoli.