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The basic science of the patella: structure, composition, and function.
[trochlear dysplasia]
The
patella
is
the
largest
sesamoid
bone
in
the
body
.
The
patellofemoral
joint
provides
an
integral
articulating
component
of
the
extensor
mechanism
of
the
knee
joint
.
A
detailed
description
of
patella
anatomy
,
embryology
and
development
,
neurovascular
anatomy
,
biomechanical
function
,
and
imaging
modalities
is
provided
in
this
article
.
Common
patellar
pathologies
such
as
patellar
instability
,
trochlear
dysplasia
,
patella
alta
and
baja
,
and
patellofemoral
joint
arthritis
as
well
as
patellofemoral
arthroplasty
as
a
treatment
option
are
also
discussed
.
An
understanding
of
the
normal
anatomy
and
biomechanics
of
the
patella
is
a
necessary
prerequisite
for
understanding
the
pathogenesis
of
disorders
involving
the
knee
.