Cardinal
Chief or principal;in embryology, relating to the main venous drainage.
Origin: L. Cardinalis, principal
Dictionary > Cardinals
You will also like...
![squirrel](https://www.biologyonline.com/wp-content/uploads/2020/02/Animal-Water-Regulation-300x168.jpg)
Animal Water Regulation
Animals adapt to their environment in aspects of anatomy, physiology, and behavior. This tutorial will help you understa..
![Salmon jumping upstream in the river](https://www.biologyonline.com/wp-content/uploads/2020/02/Lotic-Communities-Animals-257x168.jpg)
Lotic Communities & Animals
A running water environment offers numerous microhabitats for many types of animals. Similar to plants, animals in lotic..
![Plant meristem](https://www.biologyonline.com/wp-content/uploads/2020/02/Plant-Meristems-and-Growth-253x168.jpg)
Plant Meristems and Growth
In plants, growth occurs in meristems, which are the site of repeated cell division of unspecialized cells. These cells ..
![Sensory systems](https://www.biologyonline.com/wp-content/uploads/2020/02/Sensory-systems-243x168.jpg)
Sensory Systems
A sensory system is a part of the nervous system consisting of sensory receptors that receive stimuli from the internal ..
![Balanced Diet](https://www.biologyonline.com/wp-content/uploads/2020/02/A-Balanced-Diet-Minerals-and-Proteins-252x168.jpg)
A Balanced Diet – Minerals and Proteins
Proteins and minerals can be derived from various dietary sources. They are essential for the proper growth and developm..
![Crossing Over and Genetic Diversity](https://www.biologyonline.com/wp-content/uploads/2020/02/Crossing-Over-and-Genetic-Diversity-168x168.jpg)
Inheritance and Probability
Gregor Mendel, an Austrian monk, is most famous in this field for his study of the phenotype of pea plants, including ..