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.
Tag Archives: biology
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.
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