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Yes, a mass of lymphoid tissue located above the heart is known as the thymus gland. The thymus plays a crucial role in the immune system, particularly in the development and maturation of T-lymphocytes (T cells), which are essential for adaptive immunity. It is most active during childhood and gradually shrinks with age.
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Where do immature T-cells mature into effector T-cells and memory T-cells?
Immature T-cells mature into effector T-cells and memory T-cells in the thymus. The thymus is a primary lymphoid organ located in the chest cavity above the heart and is responsible for T-cell maturation and selection.
What organisms have tissues?
Heart and skin.
Where is the supior and inferior venae cavae located?
The superior vena cava is located above the heart, carrying deoxygenated blood from the upper body to the heart. The inferior vena cava is situated below the heart, transporting deoxygenated blood from the lower body to the heart.
What are the two types of organs?
The two types of organs are internal organs (such as the heart, lungs, and liver) and external organs (such as the skin, eyes, and ears). Internal organs perform vital functions within the body, while external organs are located on the outside of the body and help with sensory perception and protection.
What type of circulation provides blood to the heart's tissues?
The coronary circulation provides blood to the heart's tissues. The coronary circulation includes the coronary arteries and coronary veins.
Mass of lymphoid tissue located above the heart?
The mass of lymphoid tissue located above the heart is the thymus gland. It plays a role in immune system development and is most active in early life, gradually decreasing in size and function as we age.
What is the heart usually located above?
The Heart is located above the diaphram
The heart is located above what?
The heart is located above the diaphragm and slightly left of the center of the chest, between the lungs.
What is the heart above?
it is located above the diaphragm
Where is the Lung of a rat located?
Above the heart
Is the brain superior to the heart?
Since the brain is located above the heart, it is superior to the heart.
Is the heart located in the pelvic cavity?
The heart is not located in the pelvic cavity. It is located in the thoracic cavity.
What does a crayfish's heart do?
A crayfish's heart pumps hemolymph (the crayfish equivalent of blood) throughout its body, distributing oxygen and nutrients to its tissues and organs. The heart is a tubular structure located on the dorsal side of the crayfish, above the stomach.
Where is a horses heart located?
A horse's heart is located in the same place as a human's. It is between the lungs and ribs and above the diaphragm.
What tissue does rubella target?
Rubella primarily targets the epithelial tissues, particularly in the respiratory tract, where the virus initially enters the body. Additionally, it can affect various other tissues during pregnancy, leading to complications such as congenital rubella syndrome, which impacts the heart, eyes, and brain of the developing fetus. The virus can also infect lymphoid tissues, contributing to its systemic effects.
Is the thymus located within the mediastinum behind the sternum?
The thymus is located behind the sternum, within the mediastinum and in front of the heart. The thymus is a lymphoid gland.
Where do immature T-cells mature into effector T-cells and memory T-cells?
Immature T-cells mature into effector T-cells and memory T-cells in the thymus. The thymus is a primary lymphoid organ located in the chest cavity above the heart and is responsible for T-cell maturation and selection.
