Sebaceous glands are microscopic glands in the skin that secrete an oily secretion known as sebum. They are widely distributed all over the dermis of skin, except for the palms and soles.
Add your seasoning, lemons, and onions to the water. Bring to boil. Stir crawfish into boiling water, boil for 5-10 minutes, add your frozen corn, sausage and fresh red potatoes, let soak for 25-30 minutes. Drain water and enjoy. 17 people found this useful.
Larger prawns will take a few more minutes. You can tell when prawns and shrimp are cooked, as they will turn a pink colour. As a guide, small - medium sized shrimp will take 3 - 4 minutes, large shrimp will take 5 - 8 minutes and jumbo shrimp or prawn will need 7 - 8 minutes cooking time. To boil 1 lb of prawns or shrimp carry out the following steps: Fill a saucepan with 2 litres of water and add 2 tablespoons of sea salt.