Herzkreislaufsystem Krokodil
Campen and Starck 2012. in McCue (Ed) Intermittent feeding. Springer Verlag
Foramen of Panizza
• Foramen Panizzae* • Bicuspidalklappen > <
Axelson et al. 1996. JEB 199; 359 – 365.
card
iac
outp
ut [m
l / m
inut
e]
0
500
1000
1500
2000
2500
3000
card
iac
outp
ut [m
l / s
ysto
le]
45
50
55
60
65
70
75
80
Crocodylus – cardiac outputRight aorta
per beat minute volume
HF (breathing) = 30 – 40 bpm; HF (diving) = 2 – 4 bpm
card
iac
outp
ut [m
l / s
ysto
le]
10
12
14
16
18
20
22
24
26
card
iac
outp
ut [m
l / m
inut
e]
0
500
1000
1500
2000
Crocodylus – cardiac outputleft aorta
per beat minute volume
HF (breathing) = 30 – 40 bpm; HF (diving) = 2 – 4 bpm
Crocodylus – cardiac outputTruncus pulmonalis
per beat minute volume
card
iac
outp
ut [m
l / s
ysto
le]
25
30
35
40
45
50
55
60
65
card
iac
outp
ut [m
l /m
inut
e]
0
500
1000
1500
2000
2500
HF (breathing) = 30 – 40 bpm; HF (diving) = 2 – 4 bpm
Cardiovascular Circuits in Sauropsids
Campen and Starck 2012. in McCue (Ed) Intermittent feeding. Springer Verlag
0
5
10
15
20
25
30
Temperatur
Saue
rsto
ffver
brau
ch in
ml m
in-1
kg-1
-60°C -45°C -30°C -15°C 0°C +15°C +30°C +45°C
Thermoneutralzone, Verschiebung des Stoffwechsels
Isolierung durch Fettschicht (Blubber)
Schmidt-Nielsen 1997. Animal Physiology. 5th ed. Cambridge UUP, Cambridge UK.
Fell
vs. F
ett
Schm
idt-
Nie
lsen
1997
. Ani
mal
Phys
iolo
gy. 5
th e
d. C
ambr
idge
UU
P, C
ambr
idge
UK.
Fig
. 7.1
4
Wärmeaustausch imGegenstromprinzip
Schmidt-Nielsen 1997. Animal Physiology. 5th ed. Cambridge UUP, Cambridge UK.
ThunfischMuskulatur
Katz
200
2. D
esig
n of
hete
roth
erm
icm
nusc
lein
fish
. J. e
xp. B
iol.
205,
225
1-22
66.
Muskulatur und Gefäßversorgung in yellowfin und bluefin Thunfisch
(Yellowfin) (Bluefin)
Katz 2002. Design of heterothermic muscle in fish. J. exp. Biol. 205, 2251-2266.
The vascular morphology and in vivo muscle temperatures of thresher sharks (Alopiidae)
Journal of Morphology 17 JUN 2011 DOI: 10.1002/jmor.10989
The vascular morphology and in vivo muscle temperatures of thresher sharks (Alopiidae)
Journal of Morphology 17 JUN 2011 DOI: 10.1002/jmor.10989
Rom
mel
et a
l. 20
01. A
nato
mic
alRe
cord
264,
339
-347
.
Vene
nple
xus z
ur K
ühlu
ng d
er G
onad
en