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What is found within the dural sinuses of the brain?
The dural sinuses are blood-filled channels located between the layers of the dura mater, the outermost membrane surrounding the brain. They collect blood from the brain and drain it back into the systemic circulation through the internal jugular vein. The sinuses contain venous blood, cerebrospinal fluid, and arachnoid granulations.
What do the sinuses in the spleen contain?
The sinuses in the spleen contain blood. These sinuses are specialized spaces where blood flows and immune cells can interact with pathogens or antigens.
A lymph organ that is filled with lymphocytes?
The spleen is a lymph organ filled with lymphocytes. It plays a key role in filtering blood, removing old or damaged red blood cells, and producing antibodies to help fight infections.
What is air filled space in the bone?
Air-filled spaces in bones are called sinuses. These are hollow cavities within the bones that help to reduce the bone's weight while maintaining strength. The most well-known sinuses are the paranasal sinuses, found in the skull bones surrounding the nasal cavity.
What are cavities that filled with blood and help drain cerebrospinal fluid?
Cavities that are filled with blood and help drain cerebrospinal fluid in the brain are called the arachnoid granulations. These structures play a key role in maintaining the balance of cerebrospinal fluid in the central nervous system.
What lymphoid organs acts the garbage disposal for the blood?
spleen
What is the largest structure in the lymphoid system?
The largest structure in the lymphoid system is the spleen. It is responsible for filtering blood, storing blood cells, and producing antibodies to help fight infection.
What do we call the fluid that is enclosed within the venous sinuses?
The fluid that is in the dural venous sinuses is venous blood that originates from the brain or cranial cavity. They collect blood from veins on the surface of the brain. Blood from the sinuses empties into the internal jugular veins
What purposes do sinuses serve in the skull?
The air-filled paranasal sinuses and their mucous tissue linings help regulate the temperature and humidify the air breathed in, lighten the bone structure and weight of the skull, and give tone to the voice. It is not entirely clear what the skull's blood-filled cranial venous sinuses' full purposes are, but they do function to help the collection and return flow of venous blood and cerebrospinal fluid drainage from the tissues and veins in the cranium and back to the heart.
In which organ WBC's form?
The White Blood Cells form in the lymphoid organs.
Why the body cavity of cockroach is called haemoceol?
the body cavity of cockroach is called heamoceol because their blood circulates in the body sinuses .these blood sinuses collectively known as haemoceol.
Why WBC's forms in only lymphoid organ?
The White Blood Cells form in the lymphoid organ because the lymph system is not a closed system and contains a fluid called the lymph.
