FIELDS H-1 and H-2 

 Columns 29, 30, 31, 

 32, 33, and 34 



CK Corpus luteum 



CL Testicular interstitial cells; cells of Leydig. (If the test compound does not affect 



specifically the endocrine activity of the testicular tissue, but its size or form, code 



with Symbol 822. ) 



D Exocrine gland, unspecified 



DI Exocrine gland whose product is released directly to the external surface (i. e. , as 



opposed to an exocrine gland of the alimentary or reproductive systems) 



Dl 1 Mammary gland 



D12 Lacrimal gland; Harderian gland 



D13 Meibomian gland 



D14 Sebaceous gland 



D15 Ceruminous gland 



D16 Sudoriparous gland (= sudoriferous gland, sweat gland) 



D17 Poison gland (including venom glands of reptiles, even when secreted through oral fangs 



and orifices) 



D18 Silk gland; labial gland 



D2 Exocrine gland whose product is released into the alimentary tract 



D21 Salivary gland, unspecified 



D28 Parotid gland 



D22 Gastrointestinal gland 



D23 Pancreas (exclusive of the Islands of Langerhans) 



D24 Gastric cecum glands 



D25 Calcareus, calciferous gland 



D26 Digestive gland of invertebrates; "liver" of invertebrates. (Use Symbol E for vertebrate liver. ) 



D27 Anal gland 



D28 Parotid gland 



D3 Exocrine gland of the female reproductive system, unspecified 



D31 Shell gland 



D32 Yolk gland of helminths (vitellaria) 



D4 Exocrine gland of the male reproductive system, unspecified 



D41 Prostate gland 



D42 Seminal vesicle (in the case of animals such as man in which this structure is glandular 



rather than a sperm reservoir) 



D43 Bulbo-urethral gland 



D44 Para-urethral gland 



£ Liver of vertebrates 



El Parenchymal portion of liver 



323 Hepatic portal system or vessel 



E2 Gall bladder 



E3 Bile duct 



E4 Sphincter of Oddi 



F Specialized organs; miscellaneous organs not fitting conveniently into one of the other systems 



Fl Luminescent organ 



F2 Electric organ 



G Embryonic structures 



Gl Amnion; amnionic sac 



G2 Chorion; chorionic sac 



G3 Placenta 



G4 Allantoic sac 



H Root 



HI Root hair 



H2 Adventitious root 



H21 Haustorium 



H3 Primary root; tap root 



H4 Secondary root; lateral root 



H5 Root tip 



H51 Root cap 



H52 Meristematic zone of root tip 



H53 Elongation zone of root tip 



H54 Maturation zone of root tip 



107 



