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Dictionary » D » Ductus

Ductus

Ductus

a duct or walled passageway. Our word duct is a contraction of the latin word ductus meaning leading. The romans, however, preferred the word canalis meaning a pipe or gutter for a conduit.


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Re: Why bronchial circ. dumps deoxygenated blood in2 L. atrium?

Mith, I've explored that option. There are some that believe that it is a remnant of the ductus arteriosus, but animals like opossums never have an ductus arteriosus and have the same setup for venous return...

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by phuturephysician
Sun Feb 01, 2009 8:47 pm
 
Forum: Human Biology
Topic: Why bronchial circ. dumps deoxygenated blood in2 L. atrium?
Replies: 8
Views: 6888

What is the function of the following tisues in the lungs?

... walls of blood vessels and in hollow organs of digestive, respiratory, urinary and reproductive organs. ex. bladder, intestines, ureters, ductus deferns. ,bronchioles. function: Moves food, urine, and reproductive tract secretions; controls diameter of respiratory passages (bronchi); regulates ...

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by biolass
Fri May 04, 2007 9:30 pm
 
Forum: Human Biology
Topic: What is the function of the following tisues in the lungs?
Replies: 3
Views: 12598

heart

i'm not too familiar with this, but wit "fetal" circulation, isn't it a little different in some mammals because there's a ductus arteriosus that connects the pulmonary artery and the aorta? i think this might be because the fetus does not yet use its lungs, so the pulmonary circuit ...

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by jimmystang
Mon Jan 01, 2007 4:23 am
 
Forum: Human Biology
Topic: heart
Replies: 5
Views: 2324

hepatic portal vein

... The neonates with PS shunts were separated into 3 types. Two patients had congenital absence of portal vein (CAPV) with PS shunt by ductus venosus Arantii. Four had extrahepatic porto-left renal venous (PRV) shunt. Nine neonates presented with intrahepatic porto-hepatic venous (PV) ...

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by dipjyoti
Sun Oct 15, 2006 5:15 am
 
Forum: Human Biology
Topic: hepatic portal vein
Replies: 11
Views: 11656

Scientists Discover New Epilepsy Gene

... They also report that patients with F1n1 mutations are prone to suffering strokes and often are born with a serious vascular anomaly called patent ductus arteriosus. Their findings are the cover story of the December Neuron. "No one realized until now that this gene played a role in the brain" ...

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by dipjyoti
Sun Sep 24, 2006 6:54 am
 
Forum: Genetics
Topic: Scientists Discover New Epilepsy Gene
Replies: 0
Views: 1992
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