tubulesTubulusporous tubulestubal
A tubule is: * a small tube or fistular structure * a minute tube lined with glandular epithelium * any hollow cylindrical body structure * a minute canal found in various structures or organs of the body * a slender elongated anatomical channel * Definition: A minute tube, especially as an anatomical structure.wikipedia
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Malpighian tubule system

Malpighian tubuleMalpighian tubulesMalphigian tubules
The system consists of branching tubules extending from the alimentary canal that absorbs solutes, water, and wastes from the surrounding hemolymph.


renal tubulenephronsrenal tubules
The renal tubule extends from the capsule.

Rete testis

Rete testesrete
The rete testis is an anastomosing network of delicate tubules located in the hilum of the testicle (mediastinum testis) that carries sperm from the seminiferous tubules to the efferent ducts.

Collecting duct system

collecting ductcortical collecting ductcollecting ducts

Dental canaliculi

dentinal tubulesdentinal tubule fluid


teethdentalmaxillary teeth

Mammary gland

mammaemammary glandsmammary

Proximal tubule

proximal convoluted tubuleproximal renal tubuleproximal tubular




Basement membrane

basement membranesbasement membrane zonecapillary basement membranes