A17 dopaminergic cell group

A17 cell group

The A17 dopaminergic cell group, consisting of amacrine cells in the retina that use dopamine to modulate visual processing and light adaptation.

Typ Organ
Übergeordnete Struktur dopaminergic cell groups
Lateinischer Name A17 cell group

Häufig gestellte Fragen

What is the A17 dopaminergic cell group?
The A17 dopaminergic cell group (also known as the A17 cell group) is a defined cluster of dopamine-producing neurons in the brain, identified by researchers using a numerical classification system (the A-series) for monoaminergic cell groups. The A17 dopaminergic cell group, consisting of amacrine cells in the retina that use dopamine to modulate visual processing and light adaptation. These neurons synthesize and release dopamine, a neurotransmitter that regulates a wide range of brain functions.
Where is the A17 dopaminergic cell group located?
The A17 dopaminergic cell group is located in the retina of the eye. The A-series naming convention for dopaminergic cell groups was established by researchers systematically mapping catecholamine-containing neurons throughout the brain. The precise anatomical position of each group is important for understanding its specific neural connections and functional roles.
What is the function of the A17 dopaminergic cell group?
The A17 dopaminergic cell group modulates visual processing within the retina, contributing to light adaptation and contrast sensitivity. Dopamine released by these amacrine cells adjusts the sensitivity of photoreceptors and retinal ganglion cells in response to ambient light levels. This fine-tuning is important for vision across a wide range of lighting conditions.
What conditions can affect the A17 dopaminergic cell group?
Abnormalities in retinal dopaminergic signaling, including reduced activity of the A17 dopaminergic cell group, have been associated with myopia (nearsightedness) and altered light adaptation. Dopamine plays a protective role in normal eye growth, and its deficiency has been studied in the context of myopia development. Certain retinal diseases may also involve disruption of dopaminergic interneuron function.
How is the A17 dopaminergic cell group different from related structures?
The A17 dopaminergic cell group is one of a series of dopaminergic cell groups (A8 through A17 in the standard classification). Each group occupies a distinct brain region and projects to different target areas, resulting in different functional roles. The grouping system was established to systematically catalog monoaminergic neurons and facilitate comparison across species in neuroanatomical research.

Verwandte Strukturen

mucus body coating mucous body coating mucus cocoon mucous cocoon Mullerian duct ductus paramesonephricus multi cell part structure cell part cluster multicellular anatomical structure multicellular structure multilaminar epithelium laminated epithelium multi-tissue structure multi-tissue structures multi-unit eye

Medizinischer Haftungsausschluss

Dieser Inhalt dient ausschließlich zu Bildungs- und Informationszwecken. Er ist nicht als Ersatz für professionellen medizinischen Rat, Diagnose oder Behandlung gedacht. Wenden Sie sich bei Fragen zu einem medizinischen Zustand stets an Ihren Arzt oder einen anderen qualifizierten Gesundheitsdienstleister. Ignorieren Sie niemals professionellen medizinischen Rat oder verzögern Sie dessen Einholung aufgrund von etwas, das Sie auf dieser Website gelesen haben.

Educational Disclaimer

This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider for medical decisions.

Data sources: Terminologia Anatomica, Foundational Model of Anatomy, Wikidata.