accessory lymph sac

An extracoelomic lateral abdominal space that accumulates body fluid.

Tipo Organ
Estructura principal epithelial sac

Preguntas frecuentes

What is an accessory lymph sac?
An accessory lymph sac is an extracoelomic lateral abdominal space that accumulates body fluid. It is a component of the lymphatic system found in certain animal groups, representing an additional reservoir or conduit for lymph.
Where is an accessory lymph sac located?
The accessory lymph sac is located in the extracoelomic lateral abdominal region — that is, outside the main coelomic body cavity but within the abdominal region. Its exact position varies among the organisms in which it is described.
What is the function of the accessory lymph sac?
The accessory lymph sac accumulates body fluid (lymph) from the surrounding tissues and serves as part of the lymphatic drainage system. It contributes to the return of interstitial fluid to the circulation and may play a role in immune surveillance in the species where it is found.
What conditions can affect the accessory lymph sac?
Published clinical literature specifically addressing pathology of accessory lymph sacs is limited, as this is primarily a comparative anatomical structure. In animals where these structures are present, abnormal fluid accumulation could reflect lymphatic obstruction or systemic disease.
How is the accessory lymph sac different from lymph nodes?
Lymph nodes are discrete immune organs with defined cortex and medulla containing germinal centers for immune cell activation, while an accessory lymph sac is more simply a fluid-accumulating space or reservoir within the lymphatic system without the complex immune organization of a lymph node.

Estructuras relacionadas

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

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Educational Disclaimer

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