Invaginate

... feature of trichorrhexis invaginata. In its place were certain hairs with a golf tee morphology. These represent the proximal half of the invaginate node seen in typical Netherton disease. Scanning electron microscopy demonstrated the three-dimensional quality of this abnormality, which ...

See entire post

i think the cell is hard to invaginate... so endocytosis and exocytosis wouldn't happen.. it would be a big problem if leucoytes have tough cell wall, they can't do fagocytosis reaction to lysis unknown and dangerous molecular things... ...

See entire post