Lab 8 (320) Flashcards
The lymphatic system returns fluid that have leaked from vessels back into blood via what three things?
- lymphatic vessels
- lymph
- lymph nodes
Two major groups of lymphatic structures occur in connective tissues:
Encapsulated lymph organs and diffuse lymphoid organs
What three organs make up the encapsulated lymph organs?
- lymph nodes
- thymus gland
- spleen
what separates he encapsulated organ from the surrounding connective tissue?
A fibrous capsule
What regions have a high concentration of lymph nodes?
The upper limbs, axillary, and cervical regions
What is the largest lymphatic organ in the body and is located lateral to the stomach?
The spleen
What do the colors of the pulp in the spleen mean?
- Red pulp is where the blood filters through
- White Pulp appears blue due to the lymphocyte nuclei stains
blood drains from the sinuses of the red pulp to eventually empty into the splenic _____
Vein
Each lymphocyte follicle thin each lymph node is an active center for what?
B cell mitosis
Palatine tonsils have several lymphoid nodules with numerous ________ _________
Germinal centers
What are a diagnostic feature of the thymus and are sites that accumulate dead T cells?
Hasall’s corpuscles
What is known as the cancer of the lymphatic system?
Hodgkin’s granuloma
What cells are characteristic of Hodgkin’s disease and are derived from B lymphocytes?
Reed-Sternberg cells
Does the Duodemum, jejunum, or Ileum have Brunner’s glands?
duodenum
Does the Duodenum, Jejunum, or the Ileum have Villi?
Jejunum
