signet ring
The early stage of trophozoite development of the malaria parasite in the red blood cell; the parasite cytoplasm stains blue around its circular margin, and the nucleus stains red in Romanowsky stains, while the central vacuole is clear, giving the ringlike appearance.
Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..
Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..
Mammals are a diverse group of organisms, where most of them develop their offspring within the uterus of the mother. Ov..
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Homeostasis is essential to maintain conditions within the tolerable limits. Otherwise, the body will fail to function p..
This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..