What is the Difference Between Nephron and Neuron?
🆚 Go to Comparative Table 🆚Nephrons and neurons are two different types of cells in the human body, each serving a distinct function. Here are the main differences between them:
- Function: Nephrons are the structural and functional units of the kidney, responsible for filtering blood, purifying it, and producing urine. Neurons, on the other hand, are the principal cells of the nervous system, designed to transmit information and conduct nerve impulses between different parts of the body.
- Structure: Nephrons are made up of numerous cells, including the renal corpuscle, proximal convoluted tubule, Henle's loop, distal convoluted tubule, and collecting duct. Neurons are single cells composed of an axon, cyton, and dendrites.
- Types: There are three main types of neurons: sensory neurons, motor neurons, and interneurons. Nephrons do not have different types.
- Cell Composition: Neurons consist of dendrites, soma, and axon. Nephrons consist of a renal corpuscle and renal tubule.
- Number: There are approximately 900,000 to 1 million nephrons per kidney in mammals. Neurons have varying numbers depending on their function and location in the nervous system.
In summary, nephrons are responsible for filtering and purifying blood in the kidneys, while neurons are responsible for transmitting information and conducting nerve impulses throughout the nervous system.
Comparative Table: Nephron vs Neuron
Here is a table comparing the differences between nephrons and neurons:
Feature | Nephron | Neuron |
---|---|---|
Functional Unit | Kidney | Nervous System |
Composition | Composed of multiple cells | Single cell |
Size | Varies, but each nephron in the mammalian kidney is about 30–55 mm long | Approximately 100 microns in diameter for the cell body of a motor neuron |
Structure | Consists of the renal corpuscle, proximal convoluted tubule, Henle's loop, distal convoluted tubule, and collecting duct | Consists of axon, cyton, and dendrites |
Function | Purification and filtration of blood, production of urine | Conducts nerve impulses between different parts of the body, such as other nerve cells, muscle, or gland cells |
Number | Approximately 900,000 to 1 million per kidney | Varies depending on the species and structure |
Myelin Sheath | Nephrons do not contain myelin sheaths | Many neurons have myelin sheaths around their axons for rapid signal transmission |
In summary, nephrons are the structural and functional units of the kidneys, responsible for filtering blood and producing urine. Neurons, on the other hand, are the basic functional units of the nervous system, responsible for transmitting electrical impulses and conducting nerve impulses between different parts of the body.
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