APPENDIX. 



755 



SIZES OF VARIOUS HISTOLOGICAL ELEMENTS AND 



TISSUES. 



Average size infractions of an inch. 



(width). 

 ^ (lung) 



Air-cells, -fa to -fa. 



Blood-cells (red), ^fa-$ (breadth). 



"yWoo (thickness). 

 (colorless), 



Canaliculus of bone, ^- 

 Capillary blood-vessels, 



to Tinro (bone). 

 Cartilage-cells (nuclei of), 

 Chyle-molecules, ^^. 

 Cilia, -g^ to ^Vir (length). 

 Cones of retina (at yellow spot), 



TSTMTO to Ticro ( width). 

 Connective-tissue fibrils, ^O-O-Q' to 



Trier ( wid th). 



Dentine-tubules, ^-fa-^ (width). 

 Enamel- fibres, -%-fa^ (width). 

 End-bulbs, 

 Epithelium 



columnar (intestine), 



(length). 

 spheroidal (hepatic), y^ to ^. 

 squamous (peritoneum), 100 - 00 



(width). 

 squamous (mouth), -g-g-g- (width). 



(skin), ^ 

 Elastic (yel.) fibres, ^^ to 



(wide). 



Fat cells, ^ to ^ . 

 Germinal vesicle, 



spot, 

 Glands 

 gastric, fa to -fa (length). 



irb to ^ (width). 

 Lieberkuhn's (small intestines), 



?io to ,$ T (length). ' 

 Lieberkuhn's (small intestine), 



^ (width). 



Peyer's (follicles), fa to fa. 

 Sweat, fa (width). 



in axilla, fa to 4 (width). 

 Haversian canals, TTr ^-o to 

 (width). 



Lacunae (bone); i-fa-$ (length). 



" WlRT (Width). 



Macula lutea, fa. 

 Malpighian bodies (kidney), y^. 

 " corpuscles (spleen), fa 



Muscle (striated), 



(width). 

 Muscle-cell (plain), 



(length). 

 Muscle-cell (plain), 



(width). 

 Nerve-corpuscles (brain), 



to 

 to 

 to 



to 

 to 



Nerve-fibres (medullated), 



^Vir (width). 

 Nerve-fibres (non-medullated),^oVo 



to WOT (width). 

 Ovum, TJTJ.. 



Pacinian bodies, T ^ to -fa (length). 

 " -fa to ^ (width). 

 Papillae of skin (palm), -g-g-g- to yj^- 



(length). 



' (face), -gfrg- to T g-. 

 " tongue (circumvallate), fa 



t yV (width). 

 " " (fungiform), -fa to 



-fa (width). 



" " (filiform),^ (length). 

 Pigment-cells of choroid (hexago- 



Pigment-granules, &6ooo - 

 Spermatazoon, ffa to -^J-g- (length), 

 head, T oV^ (length). 

 " To-for (width). 

 Touch-corpuscles, -j^-g- (length). 

 Tubuli seminiferi, -^J-j to 



(width). 



Tubuli uriniferi, -g-J-g-. 

 Villi, -fa to i (length), 

 to -fa (width). 



