Anatomy (anatomy of immune system - spleen)

anatomy of immune system - spleen

1. Anatomy practical
(Anatomy of Immune system -Spleen)
By : Osama Al-Zahrani
@OSAMA_Z96

2. -The Spleen is the largest lymphoid organ.
-Located in the left hypochondriac region, Underthe copula of Diaphragm, and Behindthe Stomach,
and abovethe left Kidney and tail of Pancreas .
-Hematopoietic organ before the birth (Fetus life period), after birth turn to lymphatic organ
-Sizes : 12 cm in length, and 6 cm in width, 3 cm in thickness. And finely 160 grams.
-Intraperitoneal organ.
Anatomy of Spleen(Anatomical Characteristics)

3. Lateral or Anterior End
Upper or Superior border
Medial or Posterior End
Lower or Inferior border
Lower or Inferior border
Gastrosplenicligament
Gastric surface
Visceral surface
Splenorenoor
Lienorenal ligament
Visceral surface
colic surface
Diaphragmatic surface
Notches
Anatomy of Spleen(Border & Surface)

4. Anatomy of Spleen(Border & Surface)

5. •Borders :
1-Superior border.
2-Inferior border.
3-Posterior End.
4-Anterior End.
•Surfaces :
1-Diaphragmatic surface.
2-Visceral surface.
•Ligament :
1-Gastrosplenicligament :
ligament between the Spleen and the Stomach allow the movement (contraction and relaxation) of Spleen.
2-Splenorenoor Lienorenal ligament :
ligament between the Spleen and the left Kidney allow the movement (contraction and relaxation) of Spleen.
Anatomy of Spleen(Border & Surface)

6. Anatomy of Spleen
•Structure in the hilum :
1-Splenic vessels.
2-Tail of the pancreas.
•Blood supply of Spleen :
Splenic artery.
•Function of Spleen :
Destruction of old RBCs & storage of the blood.
•Relation of Spleen :
1-Anterior : Stomach.
2-Posterior : Diaphragm & Left lung & Ribs 9-11
3-Inferior : Left colic flexure (splenic flexure).
4-Medial : Left kidney & Tail of the pancreas.