Flashcards in Reticulo-endothelial Anatomy Deck (55)
What is a small, bean-shaped, encapsulated structure that drains lymphatics?
What is directly under the thin fibrous capsule of a lymph node?
What is underneath the subcapsular sinus of a lymph node?
What is contained within the outer cortex of a lymph node?
Mature B cells
How are mature B cells organized within the outer cortex of a lymph node?
What is in the follicles of lymph nodes?
What is in the germinal center of a lymph node?
Active B cells
What is in the inner cortex of a lymph node?
Mature T cells
What is in the medulla of lymph nodes?
Lymphocytes, plasma cells, and macrophages
Where does lymph drain out of the lymph node?
What do the medullary sinus contain?
Where do activated lymphocytes leave?
Via the hilum
Where do nerve fibers enter the the lymph node?
What is the body's largest aggregate of lymphoid tissue?
Where does the spleen develop from?
Mesoderm in the dorsal mesentery of the stomach
Where does the spleen lie?
Under the left dome of the diaphragm close to the lower ribs
What are the approximate measurements of the spleen?
1" thick, 3" wide, 5" long, and 7 ounces
Where in the abdomen is the spleen?
Between the 9th and 11th ribs, in the left midaxillary line
What type of tissues are encapsulated in the spleen?
Red and White pulp
The spleen is attached by what ligaments?
Gastrosplenic ligament (contains short and left gastroepiploic arteries)
What structures are near the visceral aspect of the spleen?
Tail of the pancreas
Splenic flexure of the colin
Why is the liver considered part of the reticuloendothelial anatomy?
It contains many Kupffer cells that filter out bacteria
What is the weight of the liver?
3lbs, largest internal organ
What does the liver develop from?
A ventral outgrowth of the distal end of the foregut
What is the liver surrounded by?
A fibrous capsule
What is the liver suspended by?
What is the coronary ligament a continuation of?
What does the falciform ligament contain?
The round ligament of the liver
What is the liver covered mostly by?
Visceral peritoneum except for the bare area (bounded by coronary ligament) and where the IVC passes through