(M) Lymphatic System Flashcards
What is the organ in the photo?
Esophagus
What is the lining epithelium of the organ in the photo?
Stratified squamous non-keratinized epithelium
What is the lamina propia of the organ in the photo?
Loose connective tissue with scattered lymphocytes
What do you call structures C and D ?
Smooth muscles
What is the submucosa of this structure?
Presence of deep esophageal glands
Which letters are deep esophageal glands?
E and F
What structure is in The photo ?
Trachea
What is the lining epithelium of this organ?
Pseudostratified columnar ciliated epithelium with goblet cells
What is the lamina propia of this organ?
Loose connective tissue with scattered lymphocytes
What structure is letter c?
Tracheal glands
What is letter d?
Tracheal hyaline
What are the 4 layers of ileum
- Mucosa
- Submucosa
- Tunica muscularis
- Tunica adventitia
What do you call the the encircled structures?
Peyer’s patches
What is the organ in the photo?
Appendix
What do you call the structures encircled?
Lymph nodes
What is the lining epithelium of this organ?
Simple columnar with goblet cells
What is the lamina propia of this organ?
Intestinal glands, dense and nodular LT
What do you call the unstained center part of this organ?
Appendiceal crypt
What is the structure pointed at in the photo?
Lymphoid nodule / lymphoid follicles
What are the two types of this organ
Primary and secondary lymphoid nodule
What is letter A
Germinal center
What is letter B
Mantle
Identify the organ
Thymus
What is the structure that the arrows are pointing at
Septa
What’s the function of the structure pointed at?
Divide the thymus into context and medulla
Identify structure A
Cortex
What is structure A composed of?
Extensive lymphoblasts / thymocytes
Identify structure B
Medulla
What is structure B composed of?
Lightly stained Hassall’s corpuscles
What are the encircled structures?
Hassall’s corpuscles / thymic corpuscles
Identify the organ
Tonsil
T or F
The organ in the photo is completely encapsulated
F (partially encapsulated with dense collagenous hemi capsule)
What is the lining epithelium of the organ in the photo
Stratified squamous epithelium
Identify B
Lymph nodules
What is the arrow pointing at?
Tonsillar crypt
What is the organ in the photo
Lymph node
What is the sub type of the capsule of this organ
Dense irregular connective tissue
What is the arrow pointing at?
Trabeculae
What is the function of subcapular sinuses in the lymph node
Drains lymph to the marginal sinuses
Identify A
Cortex
Identify B
Paracortex
Identify c
Follicle
Identify d
Capsule
Identify E
Septum
Identify F
Medulla
Identify G
Hilum
Identify the organ
Lymph node
Identify a
Medullary cords
Identify B
Medullary sinuses
Identify the organ
Spleen
Identify 1 and its two components
Red pulp
A. Splenic cords / billroth cords
B. Splenic sinuses
Identify 2 and its two components
White pulp
A. Lymphatic nodule of the spleen
B. Central arteriole
What surrounds the central arteriole
PALS of T lymphocytes
What is 1
White pulp
Identify 2
Central arteries
Identify 3
Red pulp