Murison, A.R. , Sutherland, J.W., and Williamson , A.M.: De Morgan's spots . Brit. M. J., 1: 634, 1947.
2.
Bean, W.B.: Vascular Spiders and Related Lesions of the Skin, p. 228. Charles C Thomas, Publisher, Springfield, 1958.
3.
Lever, W.F.: Histopathology of the Skin, p. 647. J. B. Lippincott Co., Philadelphia- Toronto, 1967.
4.
Sutton, R.L.: Handbook of Diseases of the Skin, p. 590. The C. V. Mosby Co., St. Louis, 1949.
5.
Shah, K.C., Shah, A.C., and Shah, P.C.: Campbell de Morgan's spots in diabetes mellitus. Brit. J. Dermat., 78: 493, 1966.
6.
Fuchs, U.: Die feinmikroskopische Struktur des Kapillären Hämangioms des Menschen. Beitr. path. Anat., 135: 309, 1967.
7.
Odland, G.F.: The fine structure of cutaneous capillaries. In Advances in Biology of Skin, Vol. II, p. 57, Pergamon Press, New York, 1961.
8.
White, J.G., and Clawson, C.C.: Blood cells and blood vessels. In Ultrastructure of Normal and Abnormal Skin, p. 261. Lea & Febiger, Philadelphia, 1967.
9.
Rhodin, J.A.G. : The diaphragm of capillary endothelial fenestrations . J. Ultrastruct. Res., 6: 171, 1962.
10.
Palade, G.E. : Fine structure of blood capillaries. J. Appl. Physics, 24: 1424, 1953.
11.
Palade, G.E. : Blood capillaries of the heart and other organs . Circulation, 24: 368, 1961.
12.
Weibel, E.R. , and Palade, G.E.: New cytoplasmic components in arterial endothelia. J. Cell Biol., 23: 101, 1964.
13.
Stehbens, W.E. : Ultrastructure of vascular endothelium in the frog. Quart. J. Exper. Physiol., 50: 375, 1965.
14.
Zelander, T.: Ultrastructure of the mouse adrenal cortex. J. Ultrastruct. Res., 2 (suppl. 2): 1, 1959.
15.
Elfvin, L.-G. : The ultrastructure of the capillary fenestrae in the adrenal medulla of the rat. J. Ultrastruct. Res., 12: 687, 1965.
16.
Ekholm, R.: The ultrastructure of the blood capillaries in the mouse thyroid gland. Ztschr. Zellforsch. mikroskop. Anat., 46: 139, 1957.
17.
Wissig, S.L.: The anatomy of secretion in the follicular cells of the thyroid gland. I. The fine structure of the gland in the normal rat. J. Biophys. Biochem. Cytol., 7: 419, 1960.
18.
Farquhar, M.G. : Fine structure and function in capillaries of the anterior pituitary gland. Angiology, 12: 270, 1961.
19.
Hartmann, J.F. : Electron microscopy of the neurohypophysis in normal and histamine treated rats. Ztschr. Zellforsch. mikroskop. Anat., 48: 291, 1958.
20.
Lacy, P.E.: Electron microscopy of the normal islets of Langerhans. Diabetes , 6: 498, 1957.
21.
Bencsome, S.A. , and Pease, D.C.: Electron microscopy of the pancreatic islets . Endocrinology, 63: 1, 1958.
22.
Elkholm, R. , and Edlund, Y.: Ultrastructure of the human exocrine pancreas . J. Ultrastruct. Res., 2: 453, 1959.
23.
Pease, D.C. : Electron microscopy of the vascular bed of the kidney cortex. Anat. Rec., 121: 701, 1955 .
24.
Farquhar, M.G. , Wissig, S.L., and Palade, G.E.: Glomerular permeability. I. Ferritin transfer across the normal glomerular capillary wall. J. Exper. Med. , 113: 47, 1961.
25.
Palay, S.L. , and Karlin, L.J.: An electron microscopic study of the intestinal villus. I. The fasting animal. J. Biophvs. Biochem. Cytol. , 5: 363, 1959.
26.
Bennett, H.S. , Luft, J.A., and Hampton, J.C.: Morphological classifications of vertebrate blood capillaries. Am. J. Physiol., 196: 381, 1959 .
27.
Johnson, F.R. , McMinn, R. N. H., and Birchenough, F. R.: The ultrastructure of the gall bladder epithelium of the dog. J. Anat., 96: 477, 1962.
28.
Hayward, A.F. : Aspects of the fine structure of the gall bladder epithelium of the mouse. J. Anat., 96: 227, 1962.
29.
Hogan, M.J. , and Feeney, L.: The ultrastructure of the retinal vessels. II. The small vessels. J. Ultrastruct. Res., 9: 29, 1963.
30.
Kramarsky, B., Siegler, R., and Rich, M.A.: Presence of endothelial fenestrations in thymic capillaries of mice. J. Cell Biol., 35: 464, 1967.
31.
Biscoe, T.J. , and Stehbens, W.E.: Ultrastructure of the carotid body. J. Cell Biol., 30: 563, 1966.
32.
Karrer, H.E. : The striated musculature of blood vessels. II. Cell interconnections and cell surface. J. Biophys. Biochem. Cytol., 8: 135, 1960.
33.
Maino, G.: Ultrastructure of the vascular membrane. In Handbook of Physiology , Vol. III, p. 2292. American Physiological Society, Washington, D. C., 1965.
34.
Fawcett, D.W. : Comparative observations on the fine structure of blood capillaries. In The Peripheral Blood Vessels, p. 17. The Williams & Wilkins Co., Baltimore, 1963 .
35.
Bloom, P.M. , Hartmann, J.F., and Vernier, R.L.: An electron microscopic evaluation of the width of normal glomerular basement membrane in man at various ages. Anat. Rec., 133: 251, 1959.
36.
Bencsome, S.A. , and Bergman, B.J.: The ultrastructure of human and experimental glomerular lesions. In International Review of Experimental Pathology, Vol. 1, p. 139. Academic Press, New York-London, 1962.
37.
Bergstrand, A.: Electron microscopic investigations of the renal glomeruli. Lab. Invest., 6: 191, 1957.
38.
Donahue, S. , and Pappas, G.D.: The fine structure of capillaries in the cerebral cortex of the rat at various stages of development. Am. J. Anat., 108: 331, 1961.
39.
Stehbens, W.E. , and Silver, M.D.: Unusual development of basement membrane about small blood vessels. J. Cell Biol., 26: 669, 1965.
40.
Farquhar, M.G. , Vernier, R.L., and Good, R.A.: An electron microscope study of the glomerulus in nephrosis, glomerulonephritis and lupus erythematosus. J. Exper. Med., 106: 649, 1957.
41.
Movat, H.Z. , McGregor, D.D., and Steiner, J.W.: Studies of nephrotoxic nephritis. II. The fine structure of the glomerulus in acute nephrotoxic nephritis of dogs. Am. J. Clin. Path., 36: 306, 1961.
42.
Kurtz, S.M. , and Feldman, J.D.: Experimental studies on the formation of the glomerular basement membrane. J. Ultrastruct. Res., 6: 19, 1962.
43.
Lannigan, R. , Blainey, J.D., and Brewer, D.B.: Electron microscopy of the diffuse glomerular lesion in diabetes mellitus with special reference to early changes. J. Path. Bact., 88: 255, 1964.
44.
Aegenaes, O., and Moe, H.: Light and electron microscopic study of skin capillaries of diabetics. Diabetes, 10: 253, 1961.
45.
Zacks, S.I., Pegues, J.J., and Elliott, F.A.: Interstitial muscle capillaries in patients with diabetes mellitus: a light and electron microscopic study. Metabolism, 11: 381, 1962.
46.
Zacks, S.I.: Basement membrane thickening in muscle capillaries. In Small Blood Vessel Involvement in Diabetes Mellitus, p. 119. The American Institute of Biological Sciences, Washington, D. C., 1964 .
Banson, B.B., and Lacy, P.E.: Diabetic microangiopathy in human toes. Am. J. Path., 45: 41, 1964.
49.
Friederici, H.H.R., Tucker, W.R., and Schwartz , T.B.: Observations on small blood vessels of skin in the normal and in diabetic patients. Diabetes, 15: 233, 1966.
50.
Yodaiken, R.E. , Seftel, H.C., and Rubenstein , A.N.: Ultrastructure of dermal capillaries of Africans in South Africa. Diabetes, 16: 191, 1967.
51.
Luse, S.A.: Electron microscopic studies of brain tumors. Neurology, 10: 881, 1960.
52.
Conklin, R.E. : The formation and circulation of lymph in the frog. I. The rate of lymph production. Am. J. Physiol., 95: 79, 1930.
53.
Drinker, C.K. : The Lymphatic System. Lane Medical Lectures , Stanford University Press, California , 1942.
54.
Deyrup, I.J.: Water balance in kidney. In Physiology of the Amphibia, p. 251. Academic Press, New York, 1964.