insertion

noun

• 1the action of inserting something:the insertion of a line or two into the script
• the placing of a spacecraft or satellite into an orbit or trajectory.

• 2a thing that is inserted, in particular.
• an amendment or addition inserted in a text.
• each appearance of an advertisement in a newspaper or periodical.
• an ornamental section of cloth or needlework inserted into the plain material of a garment.

• 3 Anatomy & Zoology the manner or place of attachment of an organ:close to the point of leaf insertion
• the manner or place of attachment of a muscle to the part that it moves:the names of the muscles and their insertions on the eyeball

• 4 Biology the addition of extra DNA or RNA into a section of genetic material.