Definition of Pronephros

1. n. The head kidney. See under Head.



Definition of Pronephros

1. Noun. (anatomy) A primitive kidney in the lamprey and similar animals, and in other vertebrate embryos ¹

¹ Source: wiktionary.com

Definition of Pronephros

1. [n -ROSES, -ROI or -RA]

Pronephros Pictures

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Lexicographical Neighbors of Pronephros

pronation
pronations
pronator
pronatores
pronators
prone
prone float
prone out
prone to
pronely
proneness
pronenesses
pronephra
pronephric
pronephroi
pronephros (current term)
pronephroses
proner
prones
pronest
proneur
proneural
proneuronal
proneurs
prong
prongbuck
prongbucks
pronged
pronghorn antelope

Literary usage of Pronephros

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Early Embryology of the Chick by Bradley Merrill Patten (1920)
"THE URINARY SYSTEM The General Relationships of pronephros, ... The pronephros is the most anterior of the three, and the first to be formed. ..."

2. A Treatise on Comparative Embryology by Francis Maitland Balfour (1885)
"The peritoneal funnels of the pronephros appear to be segmentally arranged. The pronephros is distinguished from the mesonephros by developmental as well as ..."

3. Anatomy, Descriptive and Applied by Henry Gray (1913)
"These embryonic structures are on either side; the pronephros, the mesonephros, ... The pronephros disappears very early; the structural elements of the ..."

4. The American Naturalist by American Society of Naturalists, Essex Institute (1898)
"The Cyclostome pronephros. — In spite of the enormous literature on the pronephros, there are yet many points of fundamental importance unsettled. ..."

5. A Treatise on Comparative Embryology by Francis Maitland Balfour (1881)
"If they were from the first provided with external openings we may suppose that they became secondarily attached to the duct of the pronephros (segmental ..."

6. A Laboratory manual and text-book of embryology by Charles William Prentiss (1922)
"The pronephros is the functional kidney of amphioxus and certain lampreys, but appears only in immature fishes and amphibians, being replaced by the ..."

7. The Structure of Man an Index to His Past History by Robert Wiedersheim, George Bond Howes (1895)
"It is accordingly regarded as a possible larval kidney, and termed the pronephros, as it appears to be of very ancient origin]. ..."

8. Text-book of the Embryology of Man and Mammals by Oscar Hertwig, Edward Laurens Mark (1901)
"In the higher Vertebrates the pronephros and the mesonephros are formed first; they are organs of an evanescent nature, which in some cases disappear and ..."

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