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Zimmermann's

Definition: Zimmermann's disease, also known as Tuberous sclerosis complex, is a rare inherited disorder characterized by axonal dystrophy and dermatomyositis. It primarily affects the nervous system but can also affect other organs such as the heart, kidneys, and lungs. The term "Zimmermann's" is derived from the name of the German physician Friedrich Zimmermann who first described this condition in 1869.


Zimmermann's

Anaxonia

Definition: An axonema, also known as anaxia or axonal loss, is a condition characterized by a complete absence of sensory nerve signals in the brain and spinal cord. This can lead to difficulties with touch, proprioception (sense of body position), and movement. It's often associated with neurological conditions such as Parkinson's disease, multiple sclerosis, and degenerative diseases like Alzheimer's.


anaxonia

Axonal

Definition: The term "axonal" refers to a portion of a neuron or nerve that is responsible for transmitting electrical signals and information from one part of the body (the axon) to another. This process involves the release of neurotransmitters, which are chemical messengers that carry messages between neurons. The axon also carries nutrients, oxygen, and other substances necessary for the survival and function of the neuron or nerve. In a more general sense, "axonal" can refer to any part of a


axonal

Axonemal

Definition: The term "axonemal" refers to a type of cell that is responsible for generating new neurons in the brain. It is also known as an astrocyte, and it plays a crucial role in the communication between the brain and its surrounding tissues. The axonal eminence of this cell allows it to transport information from one part of the body to another.


axonemal

Axoneme

Definition: Axonemes are structures in neurons that contain specialized structures called axons. These axonemes play a crucial role in transmitting signals between neurons and other cells within the same neuron. They are typically found on dendrites, which are long, branched projections of the cell body. The axoneme is made up of two types of proteins: myelin (which provides electrical insulation) and tangles (which contain specialized structures called axonal protrusions). These protrusions are responsible for transmitting signals


axoneme

Axonemes

Definition: Axonemes are the primary structures of neurons, which are the building blocks of nerve cells. They consist of three types of vesicles, called axonal projections (also known as axons) and dendrites (also known as thalami). The axon is the long branch of a neuron that carries information from one cell to another. Axonemes are crucial for communication between neurons because they allow signals to be transmitted across the membrane. They can be found at the ends of axonal


axonemes

Axonometric

Definition: The term "axonometric" refers to a type of cell, specifically in the context of neuroscience and neurochemistry. In this field, it is used to describe a neuron that has a single axonal projection from the central canal. This means that the axon is directly attached to the cell body and does not branch or project outside of the neuron's soma. The term "axon" refers to the long, thin, straight part of the nerve fiber that carries electrical signals between the cell


axonometric

Unmyelinated

Definition: Unmyelinated is a type of neuron that does not have axons. It is characterized by having no axon, which means there is no nerve cell in the neuron. Unmyelinated neurons are often found in sensory and motor neurons, as they do not require axonal communication for movement or perception. In other words, unmyelinated neurons do not carry electrical signals from their nerve cells to other neurons, so they cannot be stimulated by external stimuli like touch or pressure. They


unmyelinated

Tractile

Definition: Tractile is a concept in the field of neuroscience that describes the movement of neurons within a brain. It refers to the process by which cells in the brain send and receive signals, allowing for communication between different parts of the brain. Tractiles are responsible for transmitting information from one part of the brain to another, facilitating complex neural networks that support various functions in the brain. Tractile movements can be categorized into two main types: axonal and synaptic. Axonal tracts carry messages


tractile

Periaxonal

Definition: Periaxonal is a term used in psychology to describe the relationship between a person's eyes and their visual field. It refers to the area of the brain that is responsible for processing visual information, particularly when the eye is focused on one object or object pair at a time. Periaxons are also known as periphery or peripheral regions, which refer to areas where sensory input originates from the body itself, such as in the eyes and ears.


periaxonal