Learning unit 10: Lymphatic system

Question 1

Lymphatic organs

Answer 1

• Red bone marrow
• Thymus
• Lymph nodes
• Tonsils
• Spleen

Question 2

Location Red bone marrow

Answer 2

Located in the bone tissue

Question 3

Location of thymus

Answer 3

Located between the sternum & the aortic arch in the superior
mediastinum

Question 4

Location of lymph nodes

Answer 4

Concentrated in the following locations:
* Cervical lymph nodes (in the neck and monitor lymph coming from the
head & neck)
* Axillary lymph nodes (armpit – receive lymph from upper limb and breast)
* Thoracic lymph nodes (receive lymph from the mediastinum, lungs &
airway)Abdominal lymph nodes (posteriorabdominopelvic wall – receive
lymph from the urinary & reproductive systems)
* Intestinal & mesenteric lymph nodes (mesenteries & adjacent to the
appendix & intestines – receive lymph from the digestive tract)
* Inguinal lymph nodes (receive lymph from the entire lower limb)
* Popliteal lymph nodes (receive lymph from the leg proper)

Question 5

Location of tonsils

Answer 5

Pharyngeal tonsil – located in the nasopharynx and is posterior to
the posterior nasal aperture.
* Palatine tonsil – located at the posterior margin of the oral cavity
* Lingual tonsils – Embedded in each side of the root of the tongue,
specifically found on the posterior 1/3 of the tongue.

Question 6

Location of spleen

Answer 6

Located: Left hypochondriac region, inferior to the diaphragm &
posteriolateral to the stomach