Angelo Barbosa Monteiro Machado, Brazilian neuroanatomist and entomologist (Belo Horizonte 22 May 1934 – Belo Horizonte 06 April 2020)

Authored about 165 publications

His wife Conceição co-authored many relevant papers

MORPHOLOGY / ANATOMY

Discovered a new function of smooth endoplasmatic reticulum i.e. the formation of noradrenaline synaptic vesicles in axon terminals

Elucidated the formation of synaptic vesicles containing norepinephrine from the smooth endoplasmic reticulum

With C.R. Machado & L.E. Wragg. Catecholamines and granular vesicles in adrenergic axons of the developing pineal body of the rat. Experientia 24(5):464-5, 1968

Distinguished histochemically serotoninergic and noradrenergic neurons

With C.R. Machado & L.E. Wragg. A histochemical study of sympathetic innervation and 5-hydroxytryptamine in the developing pineal body of the rat. Brain Res. 8:310-8, 1968

With C.R. Machado & L.E. Wragg. Circadian rhythm of serotonin in the pineal body of immunosympathectomized immature rats. Science 164:442-3, 1969

First to demonstrate the possibility of recovery of sympathetic and parasympathetic innervation of denervated organs during the acute phase of Chagas disease

With C.R. Machado & C. Chiari. Recovery of heart norepinephrine depletion in experimental Chagas disease. Am. J. Trop. Med. Hyg. 27 (1Pt1):20-4, 1978 (sympathetic)

With C.R. Machado & M.V. Gómez. Changes in choline acetyl transferase activity of rat tissues during Chagas disease. Braz. J. Med. Biol. Res. 20(6):697-702, 1987 (parasympathetic) 

Authored about 30 papers concerning morphology of vertebrates (mainly mammalian and birds)

Discovered that armadillo have doesn’t pineal gland

With C.R. Machado & R. Rossoni investigated autonomic innervation of the salivary glands in the marmoset (Callithrix penicillata Jordan) in 1973, armadillo, ant eater and sloth (1981) and cebid monkeys (1992)

Comparative Anatomy

With R.M. Cosenza & J.A. Sousa Neto. The pineal recess of the opossum: a scanning and transmission electron microscope study. Micr. Electr. Biol. Cell. 1:101-14, 1991

With C.A. Redins. Histologic study of the pineal organ in tinamid birds, Rev. Bras. Biol. 49(2):429-34, 1989

With R.M. Cosenza. Catecholamine containing nerve terminals in the brain stem of the opossum Didelphis albiventris Lund 1841). Anais Acad. Bras. Ciencias 1:269-88, 1978

Electron microscopy of developing sympathetic fibers in the rat pineal gland. The formation of granular vesicles. Progr. Brain Res. 34:177-85, 1971

With L.C. Faleiro & W. Silva. Study of mast cell and histamine contents of the pineal body. Zeitschr. f. Zellforsch.Mikros. Anat. 65:521-9, 1965

With L.J.A. Di Dio. Ampulla of the terminal ileum in some Brazilian primates. Anat. Anz. 113:45-57, 1963

Morfologia da “eminentia ilealis” em alguns primatas brasileiros com 36 observações “in vivo”. Braz. J.Med. Biol. Res. 20:123-230, 1963

Pesquisas citométricas em centros neurossecretores de alguns Edentata (1961)

With L.J.A. DiDio. Papila ileo-ceco-cólica em mamíferos. Rev. Assoc. Med. Minas Gerais 8(12):51, 1957

ENTOMOLOGY

DESCRIBED ODONATA TAXA

Genera

Helveciagrion 1980

Navicordulia 1995 with J.M. Costa

Amazoneura 2004

Schizocordulia 2005

Tukanobasis 2009

Denticulobasis 2009

Tuberculobasis 2009

Austrotepuibasis 2011 with Lencioni

Carajathemis 2012

Franciscobasis 2015 with Bedê

Franciscagrion 2015 with Bedê

Species  

98 (until 2017)

Others

Helicopsyche planorbides 1957 (Trichoptera)

HONORS

Machadoporites Nemesio 2005 (Cnidaria)

Machadagrion Lencioni 2022 (Odonata) invalid

His wife, Conceição Ribeiro da Silva Machado, morphologist (Passagem de Mariana, Minas Gerais State 16 September 1936 – Belo Horizonte 23 August 2007)

See above relevant papers with her husband (as C.R. Machado)

Gave first evidence for GNDF synthesis by cardiomyocytes

With P.M. Martinelli, E. Camargos, G. Morel, C.A. Tavares & P.R.A. Nagib. Rat heart GDNF: effect of chemical sympathectomy. Histochem. Cell Biol. 118:337-43, 2002

With H. Chiarini-Garcia & A.A.D. Santos. Mast cell types and cell-to-cell interactions in lymph nodes of the opossum Didelphis albiventris. Anat. Embryol. 201:197-206, 2001

With R.M.E. Arantes, S. Lourenssen & M.G. Blenner Hassett. Early damage of sympathetic neurons after co-culture with macrophages: a model of neuronal injury in vitro. NeuroReport 11:177-81, 2000 

First to report the presence of monoamines in C cells of primates

Monoamines in the C cells of the thyroid glands of Callithricid primates. Histochemistry 48:187-90, 1976