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...
Hormones are produced in the endocrine glands of animals. The pituitary gland and hypothalamus are the most impor..
Some of the body movements can be controlled at will, others cannot. The body has a motor program, which is the pattern ..
New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..
Nutrients in the soil are essential to the proper growth of a land plant. This tutorial deals with the properties of soi..
Hormones are chemical messengers produced by specialized glands and they were produced by switching on the genes designe..
The cell is defined as the fundamental, functional unit of life. Some organisms are comprised of only one cell whereas o..
