In morphology: Embryology. The development of the seed plant is basically different from that of an animal. The egg cell of a seed plant is retained within the enlarged lower part, or ovary, of the seed-bearing organ (pistil) of a flower; two sperm nuclei pass through a structure called a pollen tubeâ¦ Read More; wheat grains
Spleen Pain Causes 1  : Swelling of spleen is called splenomegaly. It can be caused by liver diseases, infections and blood related problems and also irregularity in the lymph system.  Certain infections like mononucleosis (caused by virus), toxoplasmosis (caused by parasite) and endocarditis (caused by bacteria) may cause pain in the spleen.
Fast facts on ruptured spleen. The most common cause of splenic rupture is blunt trauma to the abdomen. The spleen is the abdominal organ that is most at risk during blunt trauma injury. Doctors diagnose a ruptured spleen by examining the abdomen and using either an ultrasound or CT scan, depending on the condition of the individual.