Physiology is the study of the functions of living organisms. It is divided into many branches.
Physiology is derived from a Greek word with a Latin equivalent, Physiologia, meaning “natural knowledge”. Physiology is the branch of science that deals with the functions of the body and how these functions occur and are controlled. It also describes which organs initiate and maintain these functions.
Tag Archives: biology
Thymus-Explained
The thymus is a small (5 mm x 5mm) gland, a central or primary lymphoid organ. It has two lobes that are connected by a fibrous isthmus.
It is situated in the superior mediastinum and extends upward to the root of the neck and downward to the anterior mediastinum.
Understanding the Thyroid Gland: Functions and Anatomy
The thyroid gland is a butterfly-shaped endocrine gland located superficially in the neck. It consists of two lobes, the right and left lobes, connected in the lower two-thirds by a thin band of tissue known as the isthmus.
Understanding Cystometry: A Comprehensive Guide
A cystometrogram plots the volume of urine passed from the bladder against intravesical pressure.
Understanding Intercellular Communication Mechanisms
Intercellular communication refers to various methods that cells use to communicate with each other directly or indirectly through the extracellular fluid. This communication is complex and involves signaling pathways within a cell, enabling cells to respond to internal or external stimuli.
The Complement System: Role in Immunity
The complement system is crucial in the body’s defense against invading pathogens and tumor cells. Its components enhance the antibacterial activities of antibodies.
Hemopoiesis
The formation of formed elements of blood is hemopoiesis. There are three types of formed elements of blood-Erythrocytes[RBC], leucocytes[WBC], and Thrombocytes [platelets].
Is Blood Group Essential?
landsteiner’s law: If an agglutinogen is present in RBC, the corresponding agglutinin must be absent from the plasma. Conversely, the corresponding agglutinin must be present if the agglutinogen is missing.
