When found outside of host cells, viruses exist as a protein coat or capsid, sometimes enclosed within a membrane.
The face itself was protected by a coat of fine black fur, so deeply black that it highlighted blue in the gentle light of the moon.
Hepatitis B surface antigen is on the viral coat , and its presence in blood implies that the patient is infected.
To the right, along the posterior aspect of the bladder, is a second bright line, surrounded by a thinner coat of soft tissue.
The outer protein coat consists of a major and minor capsid protein.
God gave dogs a natural coat to keep out the cold.
Evie went to grab her blue coat in the closet and ran to the car with her mom.
The serous coat is an extension of the peritoneum, and it covers only the superior and upper lateral surfaces.
Tapetal material is deposited on the developing pollen grains forming the pollen coat .
a dog's coat may become tangled and matted