Girolamo Fabrizi d' Acquapendente
|Born||May 20, 1537
|Died||May 21, 1619
|Doctoral advisor||Gabriele Falloppio|
|Doctoral students||William Harvey
Adriaan van den Spieghel
Hieronymus Fabricius or Girolamo Fabrizio or by his Latin name Fabricus ab Aquapendente also Girolamo Fabrizi d'Acquapendente (1537–1619) was a pioneering anatomist and surgeon known in medical science as "The Father of Embryology."
Life and accomplishments 
Born in Acquapendente, Latium, Fabricius studied at the University of Padua, receiving a Doctor of Medicine degree in 1559 under the guidance of Gabriele Falloppio. He was a private teacher of anatomy in Padua, 1562–1565, and in 1565, became professor of surgery and anatomy at the university, succeeding Falloppio.
In 1594 he revolutionized the teaching of anatomy when he designed the first permanent theater for public anatomical dissections. Julius Casserius (1561–1616) of Piacenza was among Fabricius' students. William Harvey (1578–1657) and Adriaan van den Spiegel (1578–1625) also studied under Fabricius, beginning around 1598. Julius Casserius would later succeed Fabricius as Professor of Anatomy at the University of Padua in 1604, and Adriaan van den Spiegel succeeded Casserius in that position in 1615.
By dissecting animals, Fabricius investigated the formation of the fetus, the structure of the esophagus, stomach and intestines, and the peculiarities of the eye, the ear, and the larynx. He was the first to describe the membranous folds that he called "valves" in the interior of veins. These valves are now understood to prevent retrograde flow of blood within the veins, thus facilitating antegrade flow of blood towards the heart, though Fabricius did not understand their role at that time.
In his Tabulae Pictae, first published in 1600, Fabricius described the cerebral fissure separating the temporal lobe from the frontal lobe. However, Fabricius' discovery was not recognized until recently. Instead, Danish anatomist Caspar Bartholin credits Franciscus Sylvius with the discovery, and Bartholin's son Thomas named it the Sylvian fissure in the 1641 edition of the textbook Institutiones anatomicae.
The Bursa of Fabricius (the site of hematopoiesis in birds) is named after Fabricius. A manuscript entitled De Formatione Ovi et Pulli, found among his lecture notes after his death, was published in 1621. It contains the first description of the bursa.
Fabricius contributed much to the field of surgery. Though he never actually performed a tracheotomy, his writings include descriptions of the surgical technique. He favored using a vertical incision and was the first to introduce the idea of a tracheostomy tube. This was a straight, short cannula that incorporated wings to prevent the tube from disappearing into the trachea. He recommended the operation only as a last resort, to be used in cases of airway obstruction by foreign bodies or secretions. Fabricius' description of the tracheotomy procedure is similar to that used today.
Julius Casserius published his own writings regarding technique and equipment for tracheotomy. Casserius recommended using a curved silver tube with several holes in it. Marco Aurelio Severino (1580–1656), a skilful surgeon and anatomist, performed at least one tracheotomy during a diphtheria epidemic in Naples in 1610, using the vertical incision technique recommended by Fabricius.
See also 
- Sean B. Smith, Veronica Macchi, Anna Parenti, Raffaele De Caro (2004). "Hieronymous Fabricius Ab Acquapendente (1533–1619)". Clinical Anatomy 17 (7): 540–543. doi:10.1002/ca.20022. PMID 15376290.
- Julius Casserius (Giulio Casserio) and Daniel Bucretius (1632). Tabulae anatomicae LXXIIX … Daniel Bucretius … XX. que deerant supplevit & omnium explicationes addidit (in Latin). Francofurti: Impensis & coelo Matthaei Meriani. Retrieved 3 September 2010.
- Collice M, Collice R, Riva A (2008). "Who discovered the sylvian fissure?". Neurosurgery 63 (4): 623–628. doi:10.1227/01.NEU.0000327693.86093.3F. PMID 18981875.
- Caspar Bartholini (1641). In Thomas Bartholin. Institutiones anatomicae, novis recentiorum opinionibus and observationibus quarum innumerae hactenus editae non sunt, figurisque auctae ab auctoris filio Thoma Bartholino (in Latin). Lugdunum Batavorum: Apud Franciscum Hackium.
- Adelman HB (1967). The Embryological Treatises of Hieronymus Fabricius of Aquapendente: The Formation of the Egg and of the Chick (De Formatione Ovi et Pulli), The Formed Fetus (De Formato Foetu) 1. Ithaca, New York: Cornell University Press. pp. 147–191. Retrieved 2 September 2010.
- Armytage WHG (1960). "Giambattista Della Porta and the segreti". British Medical Journal 1 (5179): 1129–1130. doi:10.1136/bmj.1.5179.1129. PMC 1966956.
Further reading 
- Smith, Sean B. (2006). "From Ars to Scientia: the revolution of anatomic illustration". Clinical Anatomy 19 (4): 382–8. doi:10.1002/ca.20307. PMID 16570293.
- Antonello, A.; Bonfante, L.; Bordin, V.; Calò, L.; Favaro, S.; Rippa-Bonati, M.; D'Angelo, A. (1997). "The Bursa of Hieronymus Fabrici d’Acquapendente: Past and Present of an Anatomical Structure". American Journal of Nephrology 17 (3-4): 248–51. doi:10.1159/000169109. PMID 9189242.
- Glick, Bruce (1991). "Historical perspective: the bursa of Fabricius and its influence on B-cell development, past and present". Veterinary immunology and immunopathology 30 (1): 3–12. doi:10.1016/0165-2427(91)90003-U. PMID 1781155.
- Brandt, L; Goerig, M (1986). "Die Geschichte der Tracheotomie. I" [The history of tracheotomy. I]. Der Anaesthesist 35 (5): 279–83. PMID 3526969.
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