Immune system
| | |

Immune System

Definition The Immune System is the body’s mechanism for preventing or inhibiting infection. It can protect the body against bacteria, viruses, parasites, and more because of its intricate network of cells, organs, proteins, and tissues. A working immune system can provide the difference between healthy tissue and foreign molecules. If an undesirable material, it will…

brain ventricle
| |

Ventricles Of The Brain

Overview The Ventricles of the Brain are a connecting network of cavities inside the brain parenchyma that are filled with cerebrospinal fluid (CSF). The ventricular system is made up of two lateral ventricles, a third ventricle, the cerebral aqueduct, and a fourth ventricle (as shown in the figures below). The choroid plexuses in the ventricles…

Spinal Cord
|

The Spinal Cord

What does the spinal cord do? What differentiates the spinal cord from the vertebral column? What function does the spinal cord have? What constitutes the spinal cord’s primary components? Three major sections make up the spinal cord: What organs and substances give rise to the spinal cord? Like the brain, the spinal cord is covered…

|

Antidiuretic Hormone (ADH)

What is an Antidiuretic Hormone (ADH)? Antidiuretic hormone (ADH), also known as vasopressin, is a peptide hormone produced by the hypothalamus and released from the posterior pituitary gland. Its primary function is to regulate the body’s retention of water, helping to maintain the body’s water balance and prevent dehydration. Introduction: The goal of ADH-level testing ADH…

pudendal-nerve
|

Pudendal Nerve

Introduction The Pudendal Nerve is a major nerve responsible for controlling and innervating the genital and anal regions. It originates from the sacral plexus and travels through the pelvis, supplying various muscles and sensory regions in the perineal area. The word “Pudendal” is derived from the Latin word pudenda, which means “external genitals” and is…

Peripheral Nervous System
|

Peripheral Nervous System

What is the Peripheral Nervous System? The Peripheral Nervous System (PNS) is a vital component of the human nervous system, working in conjunction with the Central Nervous System (CNS) to facilitate communication between the body and the brain. It consists of an intricate network of nerves and ganglia that extend throughout the body, connecting various…