Immunostain Image Filename Convention

Immunostain image files will be named according to the following convention for consistency, with 6 items separated by spaces:
CD90 02-002A 1  HP a 100.jpg
 |      |  | |  |  |  |
 |      |  | |  |  |  +--------- Total image magnification (20,40,100,200,400,...)
 |      |  | |  |  |
 |      |  | |  |  +------------ Image Label (lowercase letter for the image, followed be a second lower case image label
 |      |  | |  |                of the parent/lower magnification image or a hyphen if there is no parent image  -,a,b,c,d,...)
 |      |  | |  |
 |      |  | |  +----------------Species Organ designator (human H, mouse M, bladder B, prostate P)
 |      |  | |
 |      |  | +---------------- Section index (1,2,3,4,...)
 |      |  |
 |      |  +------------------ Specimen block index (A,B,C,D,... or A1,A2,A3,...)
 |      |
 |      |
 |      +--------------------- Case designtor (YR-NNN)
 |
 +---------------------------- Staining Antibody (no space after CD)

The Image index is just a sequential index of letter for the image. After z, continue with aa,ab,ac if that ever occurs.

The Parent image designator is the Image index of the image of next lower magnification that contains the current image. Use a - if there is no suitable parent.