Crypt
(Science: pathology) deep pit that protrudes down into the connective tissue surrounding the small intestine. The epithelium at the base of the crypt is the site of stem cell proliferation and the differentiated cells move upwards and are shed 3-5 days later at the tips of the villi.
Dictionary > Crypt
You will also like...

Mendel’s Law & Mendelian Genetics
One of Mendel’s law of inheritance is the “law of dominance”. Read this tutorial to know more about this form of i..

Darwin and Natural Selection
This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..

Running Water Freshwater Communities
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

Still Freshwater & Plants
Plants in lentic habitats have features not found in terrestrial plants. They acquired these features as they adapt to t..

Plant Metabolism
Plants are responsible for incredible feats of molecular transformation. Plant processes, such as photosynthesis, photop..

Origins of Life on Earth
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..