. What are the Types of portal system


Best Answer

There are two Types of portal system i.e,

1. Hypophyseal portal system
Such system is present between hypothalamus (the floor of diencephalons)and anterior pituitary.
This portal system is meant for transferring the releasing factors (Hormones)from Hypothalamus to the Anterior pituitary.
2. Hepatic portal system
i. It is present in all vertebrates.
ii. It starts from alimentary canal and terminates into liver.
iii. It brings digestive end products to the liver before releasing them(in modified form)into the blood.
iv. Renal portal system is absent in human beings.
 
 

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