S. , THY. , TH. D. Flashcards
a large
encapsulated mass of lymphoid and
vascular tissues.
Spleen
SIZE OF Spleen
1 x 3 x 5 inches
Thickness, width & length
Diaphragmatic
surface:
Related to diaphragm which
separates it from left lung &
pleura and 9,10,11 ribs
Leino-renal ligament: Contents:
1- Splenic vess & tail of pancreas
2- pancreatico-splenic LN
3- Extra-peritoneal fat + Autonomic fibers
+ Lymph vessels
Nerve Supply OF Spleen:
Coeliac PLX
surface anatomy of the spleen:
Opposite ………………
9th, 10th & 11th ribs
surface anatomy of the spleen:
Inferior border ➔
lower margin of 11th rib
surface anatomy of the spleen:
Posterior end ➔
at the level of T10
surface anatomy of the spleen:
Anterior end ➔
mid-axillary line.
Spleen
Its long axis lies approximately in the
plane of the…………………
10th rib
Spleen is palpable when
it becomes ……………. larger
than normal size
3 times
ductless gland, formed of lymphoid
tissue.
Thymus
Blood supply of Thymus
Internal thoracic artery.
Venous drainage of Thymus:
left brachiocephalic vein
internal thoracic vein
inferior thyroid veins.
Lymphatic drainage of Thymus:
parasternal, brachiocephalic,
and tracheobronchial lymph
nodes
Cisterna chyli opposite L1 & L2 vertebrae
Thoracic Duct
Thoracic Duct Enters the thorax via ……………….
aortic opening of the diaphragm
Thoracic Duct Ascends till ……………. where it crosses
behind the oesophagus to its left side till root of the neck.
T5
Termination of Thoracic Duct
End in the angle between the Lt internal jugular & Lt subclavian veins
Tributaries of Thoracic Duct
1. It drains lymph from the body below the diaphragm via the cisterna chyli 2. It drains lymph from the left ½ of the body above the diaphragm through: a. Left jugular lymph trunk (Lt side of head & neck) b. Left subclavian lymph trunk (Lt upper limb) c. Left bronchomediastinal lymph trunk (Lt ½ of thoracic cavity)
Tributaries of Rt Lymphatic duct
It drains lymph from the right ½ of the body above the diaphragm via: a. Rt jugular lymph trunk (Rt side of head & neck) b. Rt subclavian lymph trunk (Rt upper limb) c. Rt bronchomediastinal lymph trunk (Rt ½ of thoracic cavity)
Termination of Rt Lymphatic duct
End in the angle between the
Rt internal jugular & Rt
subclavian veins.
