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_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
__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
_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
Stratified squamous epithelium is found in the outer layer of the skin.
Transitional epithelium is fascinating! Its ability to stretch and return to shape, like in the bladder, is a perfect example of structural adaptation in the body.
Transitional epithelium is a specialized type of tissue found in organs that need to stretch and change shape. Its primary function is to allow for significant distension and recoil without damage. This is crucial for organs like the bladder, ureters, and parts of the urethra, which need to expand to accommodate varying volumes of fluid.
Stratified squamous epithelium is incredible! Its layered structure provides excellent protection against abrasion, making it perfect for surfaces like skin and the lining of the mouth.
This specific tissue, keratinized, are the dry and seemingly impermeable surfaces on the palm of our hands and soles of our feet.
Stratified cuboidal epithelium is a tough but flexible tissue. It helps protect and support ducts in glands like sweat and salivary glands.
Stratified columnar epithelium is a type of epithelial tissue characterized by multiple layers of cells, where the apical layer consists of columnar cells, and the deeper layers may contain either cuboidal or columnar cells. This epithelium is relatively rare and primarily found in specific areas of the body
Stratified columnar epithelium is strong and protective. It lines parts of the throat, urethra, and some glands, helping with secretion and protection.
Simple squamous epithelium is thin and flat, making it perfect for quick gas and nutrient exchange in places like the lungs and blood vessels.
Transitional epithelium, also known as urothelium, is a specialized form of stratified epithelium that has the unique ability to stretch and change shape in response to varying levels of tension. This makes it particularly well-suited for organs that need to expand and contract, like the urinary system.
Simple cuboidal epithelium is a single layer of cube-shaped cells. It helps with absorption and secretion in organs like the kidneys and glands.
Pseudostratified columnar epithelium looks layered but isn't! It helps trap and move mucus in places like the respiratory tract, keeping the airways clean.
Keratinized squamous epithelium has a tough, protective layer of keratin. It forms the outer skin, keeping moisture in and protecting against injury and germs.
Stratified squamous epithelium is a type of tissue made up of several layers of cells, with the outer layer composed of flat, scale-like cells. These cells can be either living and moist, as seen in the mouth and esophagus, or dead and filled with keratin, as found in the skin. This tissue is designed to protect underlying areas from damage caused…[Read more]
Stratified columnar epithelium is a tissue made up of several layers of cells, with the surface layer consisting of tall, column-shaped cells. It is relatively rare and is found in specific locations such as the ducts of exocrine glands, parts of the male urethra, and the conjunctiva of the eye. This type of epithelium provides protection to…[Read more]
Simple squamous epithelium is a thin tissue made up of a single layer of flat, scale-like cells. It functions primarily in diffusion and filtration, allowing substances to easily pass through it. This tissue is found in various locations, including the air sacs of the lungs (where gas exchange occurs), the lining of blood vessels and heart…[Read more]
Stratified squamous epithelium is a protective tissue with multiple layers of cells. It helps prevent friction, injury, and dehydration. There are two types: keratinized, found in the skin, and non-keratinized, found in the mouth, esophagus, throat, and vagina. The keratinized type is tough and waterproof, while the non-keratinized type stays…[Read more]