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
The cartilage tissue contains the specialized cells known as chondrocytes. Cartilage cells produce and maintain extracellular structures consisting of collagen fibers and elastin together with ground substance through their main cellular function. Cartilage cells called chondrocytes produce all the components of cartilage tissue to maintain its healthy condition. Each cartilage matrix contains miniature spaces named lacunae where these cells exist.
Chondrocytes are the specialized cells found within cartilage tissue, responsible for producing and maintaining the extracellular matrix that gives cartilage its strength and flexibility. These cells originate from mesenchymal stem cells and are initially called chondroblasts before maturing into chondrocytes. Once matured, chondrocytes become embedded in small cavities called lacunae within the cartilage matrix. They secrete collagen fibers and proteoglycans, which provide cartilage with its resilient and compressible nature, making it ideal for cushioning joints and supporting soft tissues. Chondrocytes are typically found in three main types of cartilage: hyaline, elastic, and fibrocartilage, each with distinct structural and functional roles in the body. Importantly, chondrocytes exist in an avascular environment, meaning cartilage lacks blood vessels; they rely on diffusion for nutrient and waste exchange, which contributes to the slow healing process of cartilage injuries. Their ability to maintain cartilage integrity is crucial for proper skeletal development and joint function.