Pyramidal Tract
The pyramidal tract is a pathway of cortical efferent fibers composed of billions of myelinated axons which arise from pyramidal neurons (Betz cells…
The pyramidal tract is a pathway of cortical efferent fibers composed of billions of myelinated axons which arise from pyramidal neurons (Betz cells…
The circulatory system is the complex network of blood vessels and lymphatic ducts concerned with the transport of blood and lymph throughout the bo…
The pulmonary circulation is the uninterrupted flow of blood from the heart to the lungs, and from the lungs back into the heart. Also known as les…
Crotalus durissus is the scientific name of the South American rattlesnake . This venomous pit viper is the most dangerous snake in South America, e…
The cell membrane is a thin layer of lipid, cholesterol, and proteins surrounding the cell. It isolates and protects the cell contents, such as the …
The Golgi apparatus is an intracellular reticular structure found in eukaryotic cells; it is the organelle associated with the synthesis of various…
In biology, a cell is an elementary living system capable of independent existence and self-replication and development. Contained and protected by …