officially agreed or accepted as satisfactory. To formally accept something or grant permission.

substance used to stimulate production of antibodies and provide immunity against diseases. Immunogens consisting of a suspension of weakened or dead pathogenic cells injected inorder to stimulate the production of antibodies.

To do something without stopping, or after pausing.

officially compulsory, or otherwise considered essential. To need something, to make it necessary.

relating to anatomy, functions, and organic disorders of nerves and nervous system.

To believe, based on the evidence; suppose.

To defend someone or something from harm or danger.

for reason that.

action of showing something, or fact of being shown. To prove something to be true.

in space separating things. From one person, thing, or place, to another.

inspect person or thing thoroughly.

(of goods or services) brought into country from abroad for sale. To bring goods from one country into another.

From one end or side of something to the other. From the beginning of something until the end. moving in one side and out of other side of.

person who is studying or has expert knowledge of one or more of natural or physical sciences. People who are trained in a science.

Being what was wanted or needed. used to greet someone in polite or friendly way. instance or manner of greeting someone. To accept or receive something happily and gladly.