Card Set Information
Flashcards consisting of lymphocyte questions
Lymph nodes contain large numbers of white blood cells called ____ and macrophages, that fight invading microorganisms.
The indented region where blood vessels and nerves join a lymph node is called?
______ that contains germinal centers are the structural units of a lymph node.
THe spaces within a lymph node are called ____ through which lymph circulates.
Lymph enters a node through a(an)__________ lymphatic vessel.
The partially encapsulated lymph nodes in the pharynx are called?
The aggregations of lymph nodules found within the mucosal lining of the small intestine are called ______?
The Lymph nodes in the cervical region are associated with the lymphatic vessels that drain the __________?
skin, face, nasal cavity, and pharynx
The lymph nodes associated with the lymphatic vessels that drain the lower limbs are located in the ______ region.
The thymus is loacted in the ____ anterior to the aortic arch.
The thymus reaches its greates size during infancy and early childhood and tends to decrease in size following _______?
As a person ages the thymus tissue is often replaced by _________?
Adipose /or Connective tissue
The lymphocytes of the thymus develop fromt eh precursor cells that originated in the _______?
The hormone secreted by the thymus are called?
The ____ is the largest of the lymphatic organs.
Blood vessels enter the spleen through the region called the _______?
The sinuses within the spleen contain _______?
The tiny islands (nodules) of the tissue within the spleen that contain many lymphocytes constitutes the ______ pulp.
The ____ pulp of the spleen contains large numbers of red blood cells, lymphocytes, and macrophages
_____ within the spleen engulf and destroy foreign particles and cellular debris.
Lymphatic pathways begin as ______ that merge to form lymphatic vessels.
The wall of the lymphatic capillary consists of a single layer of ______ cells.
Squamous epithelial cells
Once tissue (interstitial) fluid is inside a lymphatic capillary, the fluid is called?
Lymphatic vessels have walls similar to those of _____ but thinner.
Lymphatic vessels contain ____ that will help prevent the backflow of lymph.
Lymphatic vessels usually lead to the lymph _____ That filter the fluid being transported.
The lymphatic trunk that drains the head and her neck is called _______ trunk.
The lymphatic trunk that drains the abdominal visceral is called the ______ trunk.
The __________ is the larger and longer of the two lymphatic collecting ducts.