Google Analytics is a powerful tool that tracks and analyzes website traffic for informed marketing decisions.
Service URL: policies.google.com (opens in a new window)
_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
Histology Art (MT30 – G) 4 years, 2 months ago Digestive System Histology Art (Part I)
The stomach is a muscular sack for the storage and digestion of food. The stomach can be divided into three regions:
-fundus
-body
-pylorus
Each stomach region contains slightly different mucosa that reflects their different function. The stomach epithelium invaginates to form multiple gastric pits. At the bottom of each gastric pit lie gastric glands that reach deep into the lamina propria. Gastric glands produce stomach acid, pepsinogen, and mucus that are then secreted into gastric pits.
The large intestine (a.k.a colon) connects the end of the ileum to the anal canal.
In the large intestine, the intestinal content that arrived there from the small intestine is dehydrated and compacted into feces. The large intestine starts as a pouch called cecum and continues as the ascending, transverse, descending and sigmoid colon, followed by the rectum and anus.
The large intestine has the same four layers as other parts of the digestive tract. It is lined by simple columnar epithelium. The characteristic features of the large intestine are the lack of villi and the presence of the intestinal crypts (glands).
The small intestine is a long tube that extends from the stomach to the junction with the large intestine (a.k.a colon.) The major functions of the small intestine are digestion, secretion, and absorption. The small intestine is divided into three segments:
-duodenum
-jejunum
-ileum
The mucosa of the small intestine has some adaptations to the functions it serves. It is heavily creased into the structures that increase the surface area where the nutrients are digested and absorbed. These adaptations include intestinal folds called the plicae circulares, villi, and microvilli.