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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
MT30-Histology Art AB 4 years, 5 months ago EPITHELIAL TISSUE – This kind of tissue forms sheets of cells that cover the surface of our body (epithelium). Epithelial tissue lines on the surface of body cavities. Its functions include glandular secretion, creates protective boundaries, and involved in the diffusion of ions and molecules. Epithelial tissue has aggregated polyhedral cells which are held together by tight junctions attached to the basement membrane.
Location: kidney glomeruli, air sacs of lungs, the lining of the heart and
blood vessels, and lining of the ventral cavity
Function: allows passage of materials by diffusion and filtration
Simple Cuboidal
Location: kidney tubules, ducts of small glands, ovary surface, pancreas,
and salivary glands
Function: secretion and absorption
Simple Columnar
Location: Non-ciliated: digestive tract and gallbladder
Ciliated: small bronchi and uterine tubes
Function: absorption, secretion, and propels mucus
Location: Non-keratinized: esophagus, mouth, vagina
Keratinized epidermis of the skin
Function: protects underlying tissue in areas subjected to abrasion
STRATIFIED CUBOIDAL
Location: sweat glands, developing ovarian follicles
Function: protection and secretion
STRATIFIED COLUMNAR
Location: conjunctiva
Function: protection
PSEUDOSTRATIFIED COLUMNAR
Location: Non-ciliated: large glands and parts of the male urethra
Ciliated: trachea, the upper part of the respiratory system
Function: absorption and secretion of mucus, protection from foreign, and transport of materials such as hormones and enzymes
TRANSITIONAL EPITHELIUM
Location: ureters, urinary bladder, parts of the urethra
Function: stretches readily and permits distension of urinary organs by stored urine