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Hemat

Hemat is a combining form used in medical terminology to indicate a relation to blood. It derives from the Greek haima, meaning blood, and appears in a wide range of terms describing the biology, physiology, and pathology of the circulatory system and blood formation.

In English, spellings include hemat- (American usage) and haemat- or haem- (British usage). The prefixes haemato-

Common terms built with hemat include hematology, the study of blood and blood-forming tissues; hematopoiesis, the

Hemat is a productive prefix in medicine and biology, appearing in terms that describe blood components, diseases,

See also: hematology, haemoglobin, hemostasis, hematopoiesis.

and
haemo-
are
also
used
in
related
compounds
such
as
haemoglobin
and
haemopoiesis,
linking
to
blood
components
and
blood-forming
processes.
production
of
blood
cells;
hematocrit,
the
proportion
of
blood
volume
occupied
by
red
blood
cells;
hematoma,
a
localized
collection
of
blood
outside
vessels;
and
hematemesis,
the
vomiting
of
blood.
and
physiological
processes.
It
should
be
noted
that
regional
spelling
differences
(hemat-
versus
haemat-
or
haem-)
reflect
British
versus
American
usage
rather
than
a
change
in
meaning.