Questions tagged [lymphatic-system]

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1answer
44 views

What is the relation between weak adhesion & rolling in immune cell migration vs. strong adhesion and emigration in immune cell migration?

Assume we're talking about lymphocyte migration. I think rolling is referring to part of the process of infection by chemotaxis but beyond that...
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1answer
46 views

How is cartilage immunised?

How is human cartilage immunised (protected) against pathogens since it does not contain lymphatic vessels?
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1answer
42 views

What is tissue gel?

My book consists of following lines."The interstitial fluid is entrapped in minute space among proteoglycan filaments. This combination of proteoglycan filaments and the fluid entrapped within them ...
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0answers
46 views

What's the difference between a lymphocyte and a plasma cell?

According to my understanding, lymphocytes is the broad terminology for both T lymphocytes as well as B lymphocytes, while plasma cells refers to mature B cells which produce antibodies. But then why ...
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1answer
208 views

How does the lymphatic system filter blood? [closed]

One of the main functions of the lymphatic system is to filter blood. How exactly is it done? Its quite hard to find an exact answer.
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1answer
94 views

white blood cells and cancer cells transport through lymphatic vessels

It is a well-known fact that both of these cells can reach the lymphatic vessels from interstitial space. How does it do so physically? Are there any mathematical models describing this process? It ...
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0answers
56 views

T lymphocytes and HIV-AIDS

in studying maturation of lymphocytes into two different types-T LYMPHOCYTES and B LYMPHOCYTES. it is mentioned that if a lymphocyte matures in thymus gland it becomes T LYMPHOCYTE and becomes B ...
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1answer
418 views

How does bone marrow acts like a valve?

Wikipedia says: Furthermore, bone marrow performs a valve-like function to prevent the backflow of lymphatic fluid in the lymphatic system. How can bone marrow act like a valve eventhough they ...
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0answers
28 views

How do bats manage lymph fluids?

We all know that bats hang upside down to sleep. I was watching some sleep for a while, and they don't move much while asleep. If I fall asleep sitting in a chair my lower legs will swell. Lymph ...
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1answer
82 views

Are there fundamental differences between the adaptive immune systems of higher primates and other mammals?

I recently attended a Leukemia and Lymphoma Society lecture in which one of the lecturers indicated that there are fundamental differences between the adaptive immune systems of higher primates and ...
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0answers
304 views

How does glucose delivered intraperitoneal (i.p.) get into the peripheral circulation?

Intraperitoneal delivery of drugs or fluids is something that occurs much more frequently in veterinary medicine than clinical medicine. In veterinary medicine or scientific studies using animals, ...
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0answers
165 views

Electrode locations for neuron study in stereo EEG?

I am thinking where to put optimally depth electrodes in stereo EEG outside sulci in studying the functioning of neural transmission of N neurons over one perivascular space in rodents, mice or rat, ...
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54 views

CNS lymphatic vessels around ventricles lat et 4th?

I am searching for precise locations of the lymphatic vessels of the CNS based on the applications of the article here. However, I did not find any when having a focus on the immediate region around ...
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1answer
271 views

White blood: cells concentration

Anyone knows of a table with average concentration that can be found in white blood? Something like: Neutrophils - 80% Mast cells - ?% Dendritic cells - ?% B cells - ?% Helper T cells - ?% Killer T ...
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1answer
437 views

Speed of effective lymphatic drainage?

Lymphatic drainage occurs from many portions of the body: To venous angle: head axillary lymph nodes hands abdomen legs (I think legs' drainage goes through abdomen) The speed of the lymph ...
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1answer
7k views

How does most of lymph get back into the blood stream? (I don't mean the lymphatic system)

I once read that it was because of osmotic pressure that it returns to the blood stream, by entering the venules. But why? If lymph originated as plasma how come that the solute concentration is ...
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1answer
228 views

Can lymph be in peripheral blood?

I read an argument that 1-3% of lymph is in peripheral blood. However, I am not sure if this lymph is about lymphocytes in peripheral blood; not lymph itself. Lymph gets exchanged between capillaries ...
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41 views

How is the nasal secretion system of local immunity coupled with lymphatic circulation?

I started a thread about Nasal chronic Inflammation after influenza virus here. However, I do not understand enough well the structure of the nose to answer the questions there. I know that the lysed ...
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1answer
96 views

Does Sympaticus and lymphatic circulation cause feeling of thirsty after short shower?

I have been reading blogs, Guyton and Pocock about what triggers the feeling of thirsty. I am not convinced that is the fact of warm water time is short so not much water lost Assume that the water'...