Google Analytics is a powerful tool that tracks and analyzes website traffic for informed marketing decisions.
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__utmb
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)
__utmz
Contains information about the traffic source or campaign that directed user to the website. The cookie is set when the GA.js javascript is loaded and updated when data is sent to the Google Anaytics server
6 months after last activity
__utmv
Contains custom information set by the web developer via the _setCustomVar method in Google Analytics. This cookie is updated every time new data is sent to the Google Analytics server.
2 years after last activity
__utmx
Used to determine whether a user is included in an A / B or Multivariate test.
18 months
_ga
ID used to identify users
2 years
_gali
Used by Google Analytics to determine which links on a page are being clicked
30 seconds
_ga_
ID used to identify users
2 years
_gid
ID used to identify users for 24 hours after last activity
24 hours
_gat
Used to monitor number of Google Analytics server requests when using Google Tag Manager
1 minute
_gac_
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
__utma
ID used to identify users and sessions
2 years after last activity
__utmt
Used to monitor number of Google Analytics server requests
10 minutes
Oligodendrocytes are considered to be the myelinating glia of the central nervous system. Axonal myelination promotes axonal integrity by allowing for rapid saltatory conduction of nerve impulses.
Source: Oligodendrocyte, astrocyte, and Microglia crosstalk in myelin development, damage, and repair. (n.d.). Frontiers. https://www.frontiersin.org/articles/10.3389/fcell.2016.00071/full#:~:text=Oligodendrocytes%20are%20the%20myelinating%20glia,and%20contributes%20to%20axonal%20integrity
Ependymal cells are ciliated-epithelial glial cells that form along the surface of the brain’s ventricles and the spinal canal from radial glia. They are involved in the homeostasis of the cerebrospinal fluid (CSF), brain metabolism, and the removal of waste from the brain.
Source: Single cell Transcriptomics of Ependymal cells across age, region and species reveals cilia-related and metal ion regulatory roles as major conserved Ependymal cell functions. (n.d.). Frontiers. https://www.frontiersin.org/articles/10.3389/fncel.2021.703951/full#:~:text=Ependymal%20cells%20are%20ciliated%2Depithelial,of%20waste%20from%20the%20brain
Satellite cells are mononucleated cells wedged themselves between the muscle fiber’s basement membrane and plasma membrane. They function as stem cells and are in charge of skeletal muscle growth and development. In response to injury, are able to re-enter the cell cycle, producing new cells to repair and create nascent muscle fibers while preserving a small population for future regenerative demands. Muscle growth and repair in response to stresses such as exercise, injury, or disease are both regulated by this protein. Satellite cells’ exact role in the development of muscle fiber atrophy with age is unknown.
Source: Satellite cell. (n.d.). Physiopedia. https://www.physio-pedia.com/Satellite_Cell#:~:text=repair%20and%20remodeling.-,Satellite%20cells,and%20development%20of%20skeletal%20muscles