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Related to uriniferous tubule: nephron
the functional unit of the kidney, composed of a long convoluted portion (nephron) and an intrarenal collecting duct.
tubule(tu'bul) [L. tubulus, a tubule]
A small tube or canal.
Bellini's tubuleSee: Bellini, Lorenzo
One of the small ducts that receive urine from several renal tubules, which join together to provide a passage for the urine to larger straight collecting tubules (papillary ducts of Bellini) that open into the pelvis of the kidney.See: kidney for illus
convoluted tubules of the kidney
The proximal and distal convoluted tubules of the nephron that, with the loop of Henle and collecting tubule, form the renal tubule through which the glomerular filtrate passes before entering the renal pelvis.See: kidney for illus.; nephron
One of the very small canals in the dentin. These extend from the pulp cavity of the tooth to the enamel and are occupied by odontoblastic processes and occasional nerve filaments.
galactophorous tubuleLactiferous tubule.
Henle's tubuleHenle's loop.
The short segment of a renal tubule that connects the distal convoluted tubule with the collecting tubule.
One of the lactiferous ducts of the breast. It provides a channel for the milk formed in the lobes of the breast to pass to the nipple. Synonym:
One of the embryonic tubules that in the female gives rise only to vestigial structures but in the male gives rise to the efferent ducts of the testes.
One of the tubes that make up the permanent kidneys of amniotes.
The part of a nephron through which renal filtrate from the renal corpuscle flows and is changed to urine by reabsorption and secretion. The parts, in order, are the proximal convoluted tubule, the loop of Henle, the distal convoluted tubule, and collecting tubule.See: kidney for illus; nephron
One of the very small channels of the testes in which spermatozoa develop and through which they leave the testes. These tubules may be either straight or convoluted.
transverse tubuleAbbreviation: T-tubule
An invagination of the cell membrane of a muscle fiber that carries the action potential to the interior of the cell and the innermost sarcomeres.