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Air sacs are
spaces within an
organism where there is the
constant presence of
air.
Among modern animals,
birds possess the most
air sacs (9–11), with...
-
Strategic Air Command (
SAC) was a
United States Department of
Defense Specified Command and a
United States Air Force (USAF)
Major Command responsible...
- Look up
sac or
SAC in Wiktionary, the free dictionary.
SAC or
Sac may
refer to:
Santa Ana College, California, US San
Antonio College, Texas, US St. Andrew's...
- : alveoli, from
Latin alveolus, "little cavity"), also
known as an
air sac or
air space, is one of
millions of hollow,
distensible cup-shaped cavities...
- the rear the
posterior thoracic air sac, in the
middle the
anterior thoracic air sac and in
front the
clavicular air sac, in that
order gradually diminishing...
-
Air sac generally refers to an
organ or
portion of an
organ containing air within an animal's
respiratory system. It may
refer specifically to: Pulmonary...
-
argued against the
presence of
air sacs in dinosaurs.
Researchers have
presented evidence and
arguments for
air sacs in sauropods, "prosauropods", coelurosaurs...
-
millions of
small air sacs; in
mammals and reptiles,
these are
called alveoli, and in birds, they are
known as atria.
These microscopic air sacs have a very...
-
air sacs are
connected to the
airways of the
respiratory system, and the
pelican can keep its
air sacs inflated by
closing its glottis, but how
air sacs...
- Airsacculitis, also
known as
air sacculitis, aerosacculitis,
air sac disease,
air sac infection,
air sac syndrome and
simply sac disease, is a
common inflammatory...
