title: Structure and chemistry of the egg-shell of a nematode (Trichuris suis).
mesh_terms: D000818:Animals; D002686:Chitin / Q000032:analysis; D004527:Egg Proteins / Q000032:analysis; D004528:Egg Shell / Q000032:analysis / Q000648:ultrastructure*; D005944:Glucosamine / Q000032:analysis; D013055:Spectrophotometry, Infrared; D014258:Trichuris / Q000502:physiology*
chemical_list: D004527:Egg Proteins; D002686:Chitin; D005944:Glucosamine