Prostaglandins 

1. Precursor

2. General Function

1. Cyclooxygenases

2. Promote inflammatory responses

Thromboxanes

1. Precursor

2. General Function

1. Cyclooxygenases

2. Important mediators of platelet aggregation

Leukotrienes

1. Precursor

2. General Function

1. Lipoxygenases

General Function

1. Smooth muscle contraction 

2. Immediate hypersensisty reactions 

HETEs

1. Precursor

2. General Function 

 1. Lipoxygenases

2. Chemotactic agents

act on neutrophils and eosinophils

PGE₂

Functions (4)

1. Vasodilator, bronchodilator
    
2. Cytoprotective in GI tract
    
3. Proinflammatory: Pain, swelling, redness
    
4. Contracts uterine smooth muscle, active in labor and delivery

PGF2α

Functions (3)

1. Vasoconstrictor
2. Bronchoconstrictor
3. Pathogenic in asthma

Prostacyclin (PGI₂)

Functions (2)

Produced by?