Lab 8 (320) Flashcards
(27 cards)
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
Dos the duodenum, jejunum, or the ileum have peyer’s patches?
Ileum
What are the layers of the small intestine (and digestive system) from innermost to outermost?
Mucosa, submucosa, muscularis, Serosa
What are taste buds concentrated on the surface of?
Papillae
what are gustatory epithelial cells for?
Taste
What are basal epithelial cells?
Stem cells that divide to produce new gustatory epithelial cells
What is the most anterior portion of the GI tract and used peristaltic movement to transport swallowed food from the oral cavity to the stomach?
The Esophagus
which part of the small intestine is the location for absorption of vitamin B12 bound to intrinsic factor?
The Ileum
What is the name of the largest interior organ in the body? It is in the upper right quadrant of the abdominal cavity.
the liver
Where does cirrhosis occur and what causes it?
It occurs in the Liver and it is usually the result of chronic alcohol abuse