tissue embedding The technique of placing cells or tissue in a supporting medium so that thin sections can be cut using a microtome. The medium can be paraffin wax (paraffin embedding) or plastics (plastic embedding) such as epoxy resins...
Earth was created around 4.5 billion years ago and life began not long after. Primitive life likely possessed the elemen..
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
The body is comprised of different elements with hydrogen, oxygen, carbon, and nitrogen as the major four. This tutorial..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Following nine months inside the mother's womb is the birth of the baby. Know the different stages of the birthing proce..
