Browse Reference Articles
61 to 70 of 892 articles
-
Root vegetable
Root vegetables are underground plant parts used as vegetables. They are called root vegetables for lack of a better generic term, but include both true roots such as tuberous roots and taproots, as ... > more -
Programmed cell death
Programmed cell death (PCD) is the deliberate suicide of an unwanted cell in a multicellular organism. In contrast to necrosis, which is a form of cell death that results from acute tissue injury and ... > more -
Lymph node
Lymph nodes are components of the lymphatic system. Lymph nodes act as filters, with an internal honeycomb of connective tissue filled with lymphocytes that collect and destroy bacteria and ... > more -
Scanning electron microscope
The scanning electron microscope (SEM) is a type of electron microscope capable of producing high resolution images of a sample surface. Due to the manner in which the image is created, SEM images ... > more -
Human skeleton
The human skeleton is made of individual or joined bones, supported and supplemented by a structure of ligaments, tendons, muscles, cartilage and other organs. The skeleton is not unchanging; it ... > more -
Pregnancy and Childbirth
Fertility
Mating and Breeding
Healthy Aging
Developmental Biology
Attention Deficit Disorder
Fertilisation
Fertilisation, also spelt fertilization (also known as conception, fecundation and syngamy), is fusion of gametes to form a new organism of the same species. In animals, the process involves a sperm ... > more -
Vector (biology)
Traditionally in medicine, a vector is an organism that does not cause disease itself but which spreads infection by conveying pathogens from one host to another. Species of mosquito, for example, ... > more
Search ScienceDaily
Number of stories in archives: 137,158

