On the presence of reciprocal synapses in the paratympanic organ of the chicken

1989 ◽  
Vol 180 (2) ◽  
pp. 175-178 ◽  
Author(s):  
Francesco Giannessi
Keyword(s):  
Paratympanic Organ

scholarly journals The amniote paratympanic organ develops from a previously undiscovered sensory placode

2012 ◽  
Vol 3 (1) ◽  
Author(s):  
Paul O'Neill ◽  
Siu-Shan Mak ◽  
Bernd Fritzsch ◽  
Raj K. Ladher ◽  
Clare V.H. Baker
Keyword(s):  
Paratympanic Organ

scholarly journals 09-P084 A role for BMP signalling in paratympanic organ development

2009 ◽  
Vol 126 ◽  
pp. S175
Author(s):  
Paul O’Neill ◽  
Raj Ladher ◽  
Clare Baker
Keyword(s):  
Organ Development ◽  
Bmp Signalling ◽  
Paratympanic Organ

Homing experiments on pigeons subjected to bilateral destruction of the paratympanic organ

1996 ◽  
Vol 199 (9) ◽  
pp. 2035-2039
Author(s):  
F Giannessi ◽  
B Fattori ◽  
R Ruffoli ◽  
A Gagliardo
Keyword(s):  
Muscle Function ◽  
Sensory Organ ◽  
Homing Pigeons ◽  
Paratympanic Organ ◽  
Bilateral Destruction

The paratympanic organ (PO) in birds is a specialised sensory organ whose function is still unknown. G. Vitali, who first described the PO from observations of the behaviour of PO-lesioned pigeons, proposed that this organ was needed to maintain normal wing muscle function and called it the 'organ of flight'. This interpretation has since been disputed. To solve this controversy and to test whether the PO is involved in flight and navigation, we performed release tests on homing pigeons subjected to bilateral destruction of this organ. No impairment of either flight or navigation was observed in the lesioned pigeons.

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