The fine structure of the blood capillaries of some endocrine glands of the hagfish, Eptatretus stouti: implications for the evolution of blood and lymph vessels.
D000818:Animals; D005075:Biological Evolution; D002196:Capillaries / Q000648:ultrastructure*; D005399:Fishes / Q000033:anatomy & histology*; D006196:Hagfishes / Q000033:anatomy & histology*; D008208:Lymphatic System / Q000648:ultrastructure; D010904:Pituitary Gland, Posterior / Q000098:blood supply*; D013961:Thyroid Gland / Q000098:blood supply*