MILESTONE IN ZOOLOGY Flashcards
Father of Medicine; established the first biomedical tradition
Hippocrates
Father of Zoology; provided the first broad classification of
living things into plants and animals
Aristotle
Developed descriptions of anatomy and physiology
Galen
Discovered the lymphatic system
Thomas Bartholin
Jan Swammerdam
Described the red blood corpuscles (RBCs
Demonstrated capillary circulation
Marcelo Malpighi
Discovered cells through his studies on cork
Robert Hook
Regnier de Graaf
described the ovarian follicles
Anton von
Leeuwenhoek
Father of Microscopy; discovered protozoans
Introduced the concept about species to a particular kind of
organism and point out variations among members of a
species
John Ray
Stephen Hales
Pioneered the measurement of blood pressure
Introduced the binomial system of species classification
Carolus Linnaeus
Joseph Priestley
Discovered oxygen as a gas released by plants during
photosynthesis
Introduced the study and development of vertebrate
paleontology
George Cuvier
concept of use and disuse
Jean Baptiste de
Lamarck
Karl Ernst von Baer
Discovered the mammalian ovum
First observation of Brownian movement
Robert Brown
Introduced concepts of homology and analogy
Richard Owen
Carl Theodor Ernst
von Siebold
Established the status of protozoa as single-celled organisms
Described fertilization of frog ovum by spermatozoa
George Newport
Proposed the concept of omnis cellula e cellula (every cells
from a cell) – existing cells come from pre-existing cells
Rudolf Virchow
Charles Darwin and
Louis Pasteur
ntroduced the concept of natural selection as a factor in
evolution; refuted the theory of spontaneous generation
Alfred Russel
Wallace
Postulated the Wallace line of faunal delimitation
Introduced the concept of modern zoological classification
Ernst Haeckel
Introduced the concept of nuclear control of inheritance
Ernst Haeckel
Formulated the first 2 laws of heredity
Gregor Mendel
Ernst Haeckel
Postulated the gastrea hypothesis of metazoan ancestry
Described mitotic cell division
Eduard Strasburger
Introduced the concept of adaptive radiation in evolution
Henry Fairfield
Osborn
Introduced the mutation theory of evolution
Hugo de Vries
Described the homologous pairing of maternal and paternal
chromosomes in zygotes
Thomas H.
Montgomery
Discovered the islet cells in the pancreas
Paul Langerhans
Theodor Boveri and
Walter S. Sutton
Postulated a parallelism between chromosome behavior and
Mendelian segregation
Discovered sex linkage and definitively linked trait
inheritance to a specific chromosome after a series of
experiments with Drosophila
Thomas H. Morgan
Advocated the use of chemotherapy in treatment of disease
Paul Ehrlich
Developed X-ray diffractometry
Reginald Oliver
Herzog and Willy
Jancke
Introduced the concept of a functional automatic nervous
system
John N. Langley
Proposed the concept of the cell membrane as having a
phospholipid bilayer surrounded by outer and inner layers of
globular proteins
James Fredric Danielli
and Hugh Davson
Demonstrated the existence of the citric acid cycle during
aerobic respiration
Hans Adolf Krebs
Studies certain mutations in corn where she developed the
concept of mobile genetic components (jumping genes)
Barbara McClintock
Discovered that the amount of purine bases are equal to
the amount of pyrimidine bases
Erwin Chargaff
Discovered the structure of DNA
Francis Crick and James
D. Watson
Introduced the concept of sliding filament theory of
muscle contraction
Hugh Esmor Huxley and
Andrew Fielding Huxley
Stanley Ben Prusiner
Discovered prions, the proteinaceous infectious particles
that cause mad cow disease in cattle
Seymour Jonathan
Singer and Garth L.
Nicholson
Introduced the fluid mosaic model of biological
membranes
Discovered oncogenes, the genes that cause cancer
John Michael Bishop
and Harold E. Varmus
