Sentences with phrase «enveloped by a membrane»
During normal development, a puppy's eyes are enveloped by a membrane which stretches and breaks away by 8 weeks of age.
http://www.mascaonline.com/ Not exact matches
As lipid droplets exit the mammary epithelial cell, they are enveloped by cell membrane and secreted into milk as membrane - bound globules of fat.
They are extremely simple, composed only of RNA enveloped in a fatty membrane, and they all must develop first in an animal host — often rodents or bats — and are spread by insects such as ticks or mosquitoes.