Thorax 1 (Respiratory System) - part 2 Flashcards
What do dermatomes correspond with on the chest wall?
Intercostal spaces
What is a dermatome?
Area of skin supplied by a single spinal nerve
At the sternal angle, dermatome C4 lies immediately above T2 instead of C5, why is this?
C5-T1 supplies the arms
What dermatome is overlying the sternal angle?
T2
What dermatome is overlying the nipple area?
T4
What dermatome is overlying the umbilicus?
T10
What dermatome is overlying the inguinal region?
L1
What is the purpose of the lymphatic system?
Return lymph to the circulatory system
What is lymph?
Essentially plasma that has leaked from capillary beds due to hydrostatic pressures
What organs do not have lymphatic drainage?
Cartilage
Eyes
Inner ear
Brain
Spinal cord
What are the major groups of lymph nodes?
Axillary
Superficial and deep inguinal
Pectoral
Tracheobronchial
Lumbar/pelvis
Superficial cervical and deep cervical
Where are the axillary lymph nodes?
Root of the upper limbs
Where are the superficial and deep lymph nodes?
Root of the lower limbs
Where are the pectoral lymph nodes?
Around the pectoralis major muscle
Where are the tracheobronchial lymph nodes?
Bifurcation of trachea in thorax
Where are the lumbar/pelvic lymph nodes?
Around root of arteries in the abdomen and pelvis
Where are the superficial and deep cervical lymph nodes?
Head and neck
What is A?

Cervical lymph nodes
What is B?

Infraclavicular lymph nodes
What is C?

Axillary lymph nodes
What is D?

Para-aortic lymph nodes
What is E?

Inguinal lymph nodes
What is F?

Pelvic lymph nodes
What is G?

Spleen























































