ClipArt ETC
"Alimentary system of leech. m., Mouth; cr6., sixth crop-pocket; cr11., last crop-pocket; v., rectum; s., posterior sucker." -Thomson, 1916

Leech

"Alimentary system of leech. m., Mouth; cr6., sixth crop-pocket; cr11., last crop-pocket; v., rectum;…

"Dissection of leech. c.g., Cerebral ganglia; p., penis; s.v. is opposite the semminal vesicle; ov., ovary; ut., uterus; v.d., vas deferens; l.b.v., lateral blood vessel; T.4, fourth testis; n.v., nephridial vesicle; N.17, last nephridium; G.19, nineteenth pair of ganglia; n.c., nerve-cord." -Thomson, 1916

Leech Dissection

"Dissection of leech. c.g., Cerebral ganglia; p., penis; s.v. is opposite the semminal vesicle; ov.,…

"Transverse section of leech. c., Cuticle; e., epidermis; c.m., dermis and outer muscles (circular and oblique); l.m., longitudinal muscles (the peculiar connective tissue is hardly indicated); r.m., radial muscles; l.v., lateral blood vessel; d.s., dorsal sinus; v.s., ventral sinus enclosing nerve-cord (n.); g., median part of crop, with lateral pockets (p.); t., testis; f., nephridial funnels; v.d., vas deferens." -Thomson, 1916

Leech Section

"Transverse section of leech. c., Cuticle; e., epidermis; c.m., dermis and outer muscles (circular and…