Cell Structure
& Function
, Definition of Cell
A cell is the smallest unit that is capable of
performing life functions.
Cell is the structural and functional unit of
all living organisms.
, Discovery of Cells
• Robert Hooke (1665)
– Observed sliver of cork
– Saw “row of empty boxes”
– Coined the term cell
, M.J.Schleiden a lawyer turned botanist & in
1838 concluded that all the plant tissues were
made up of cells
Theodor Schwann (an animal embryologist)
in 1839 for animal tissues
In 1839 formally postulated CELL THEORY
the cells are of universal occurrence and it is
the structural unit in both plant and animal.
& Function
, Definition of Cell
A cell is the smallest unit that is capable of
performing life functions.
Cell is the structural and functional unit of
all living organisms.
, Discovery of Cells
• Robert Hooke (1665)
– Observed sliver of cork
– Saw “row of empty boxes”
– Coined the term cell
, M.J.Schleiden a lawyer turned botanist & in
1838 concluded that all the plant tissues were
made up of cells
Theodor Schwann (an animal embryologist)
in 1839 for animal tissues
In 1839 formally postulated CELL THEORY
the cells are of universal occurrence and it is
the structural unit in both plant and animal.
