Neuroscience is the scientific study of the nervous system, which includes the brain, spinal cord, and peripheral nerves. It encompasses various fields, including biology, psychology, and cognitive science, to understand the structure, function, development, and pathologies of the nervous system. Neuroscientists investigate how neurons communicate, how brain processes influence behavior and cognition, and how disorders such as Alzheimer’s, Parkinson’s, and depression affect neurological function.
Hormones are biochemical messengers produced by glands in the endocrine system and secreted into the bloodstream to regulate various physiological processes in the body. They play a crucial role in maintaining homeostasis and influencing a wide range of functions, including: Hormones exert their effects by binding to specific receptors on target cells, initiating a cascade … Read more
What is Ovary? Definition of Ovary The ovary is a reproductive organ in females that produces eggs and secretes hormones like estrogen and progesterone, essential for regulating the menstrual cycle and fertility. Anatomy of the Ovary The ovary is a crucial organ in the female reproductive system, responsible for producing eggs and secreting hormones essential … Read more
The insect nervous system is a complex and highly organized network that facilitates a wide array of functions crucial for the survival and adaptation of insects. It comprises two primary components: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS consists of a dorsal brain and a ventral chain of segmental … Read more
What is Insect Plant Interaction? What are the main types of interactions between insects and plants? Insect-plant interactions are essential components of ecological dynamics, influencing biodiversity, ecosystem functioning, and agricultural productivity. These interactions can be categorized into three primary types: antagonism, commensalism, and mutualism. Each type encompasses specific relationships characterized by distinct functional roles and … Read more
What is Smell? The Organs of Smell The organs of smell primarily involve the olfactory system, which is responsible for detecting and processing odors. Unlike common misconceptions, the nose itself does not perform the act of smelling; rather, it serves as a conduit for air to reach specialized cells within the nasal cavity. The key … Read more
What is Taste? The Organs of Taste The organs of taste are essential in helping humans detect and differentiate between various flavors. While the tongue is the primary organ associated with taste, other areas such as the palate, pharynx, and epiglottis also play a role in the tasting process. Additionally, odors from food contribute to … Read more
The nervous system represents one of the most intricate and essential systems in multicellular organisms, functioning as the primary coordinator of actions, sensory information, and responses to environmental stimuli. This complex network is responsible for detecting changes in the environment, processing that information, and enabling organisms to react accordingly, working closely with the endocrine system … Read more
What are Neurotransmitters? Definition of Neurotransmitters Neurotransmitters are chemical messengers that transmit signals between neurons or from neurons to other target cells, such as muscle or gland cells, across synapses, helping regulate various functions in the nervous system. Properties of Neurotransmitter Below are key properties that define neurotransmitters and their role in neural communication. Types … Read more
What is Synapse? Definition of Synapse A synapse is a junction between two neurons or between a neuron and an effector cell, such as a muscle cell, that allows for the transmission of electrical or chemical signals. It consists of a presynaptic terminal, a synaptic cleft, and a postsynaptic terminal, facilitating communication within the nervous … Read more
By Sourav Pan 0 revisions 19 min readby Sourav Pan
What is Action Potential? Definition of action potential An action potential is defined as a rapid, transient change in the electrical membrane potential of a neuron, characterized by a brief depolarization followed by repolarization. This process allows neurons to transmit signals over long distances. It occurs when the membrane potential reaches a critical threshold, leading … Read more
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