Biomaterial Database

Malpighian tubules of adult flesh fly, Sarcophaga ruficornis Fab. (Diptera: Sarcophagidae): an ultrastructural study. 2013

Ruchita Pal, and Krishna Kumar

Department of Zoology, University of Allahabad, Allahabad 211002, India.

The Malpighian tubules of adult flesh fly, Sarcophaga ruficornis consist of principal and stellate cells. The principal cells reveal all the characteristics of transporting epithelia with well developed deep basal membrane infoldings forming a complex of interconnecting labyrinth of canaliculi and luminal microvilli, both of which are associated with mitochondria. The central cytoplasm of the cells contains a well developed nucleus, clear vacuoles or vacuoles filled with secretory material, mineral concretions or spherocrystals, lysosomes and a network of endoplasmic reticulum. The mineral concretions are also observed in the region of luminal microvilli and in the lumen of the tubule suggesting their extrusion into the lumen by exocytosis. Several formed bodies are also observed in the lumen. Stellate cells are characterized by simple membrane infoldings and luminal microvilli devoid of mitochondria. The cells are separated by septate junctions. The Malpighian tubules are richly supplied by tracheae and muscle fibers.

UI	MeSH Term	Description	Entries
D008317	Malpighian Tubules	Slender tubular or hairlike excretory structures found in insects. They emerge from the alimentary canal between the mesenteron (midgut) and the proctodeum (hindgut).	Malpighian Tubule,Tubule, Malpighian,Tubules, Malpighian
D008871	Microvilli	Minute projections of cell membranes which greatly increase the surface area of the cell.	Brush Border,Striated Border,Border, Brush,Border, Striated,Borders, Brush,Borders, Striated,Brush Borders,Microvillus,Striated Borders
D008928	Mitochondria	Semiautonomous, self-reproducing organelles that occur in the cytoplasm of all cells of most, but not all, eukaryotes. Each mitochondrion is surrounded by a double limiting membrane. The inner membrane is highly invaginated, and its projections are called cristae. Mitochondria are the sites of the reactions of oxidative phosphorylation, which result in the formation of ATP. They contain distinctive RIBOSOMES, transfer RNAs (RNA, TRANSFER); AMINO ACYL T RNA SYNTHETASES; and elongation and termination factors. Mitochondria depend upon genes within the nucleus of the cells in which they reside for many essential messenger RNAs (RNA, MESSENGER). Mitochondria are believed to have arisen from aerobic bacteria that established a symbiotic relationship with primitive protoeukaryotes. (King & Stansfield, A Dictionary of Genetics, 4th ed)	Mitochondrial Contraction,Mitochondrion,Contraction, Mitochondrial,Contractions, Mitochondrial,Mitochondrial Contractions
D000818	Animals	Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.	Animal,Metazoa,Animalia
D058493	Sarcophagidae	Family of flies in the order DIPTERA, commonly known as flesh flies. They lay their eggs in dead or decaying matter or open wounds.	Sarcophaga,Flesh Flies,Flesh Fly,Fleshfly,Fleshflies,Flies, Flesh,Fly, Flesh