- The
osphradium is a
pigmented chemosensory epithelium patch in the
mantle cavity present in six of the
eight extant classes of
molluscs (it is
absent in...
-
encloses a
water space. This
space contains the mollusk's gills, ****,
osphradium, nephridiopores, and gonopores. The
mantle cavity functions as a respiratory...
- foot with
sometimes a
posterior mucous gland.
Their olfactory organ, the
osphradium is enlarged. In some
species there are
oesophageal pouches present. Their...
- tongue, used as a
rasping tool.
unpaired osphradium (olfactory organ).
lateral ciliated zones of
osphradium a
single left
hypobranchial gland (on organ...
- gastropod.
Another possible advantage for
aquatic species is that
moving the
osphradium (olfactory
sense organs) to an
anterior position means they are sampling...
-
Ctenidia (gills)
Hepatopancreas (digestive gland) Ink sac and ink Needham's sac
Nephridia ("kidneys")
Nidamental glands Osphradium Pericardial glands...
-
gastropods have lost the
ctenidium (comb-like
respiratory apparatus) and
osphradium, and the
pallial cavity has been
modified as a lung.
According to the...
- of evolution. This means,
among other things, that the limpet's left
osphradium and
oshradial ganglion (an
organ believed used to
sense the time to produce...
- slow-moving, and use a
venomous harpoon to
disable faster-moving prey. The
osphradium in cone
snails is more
specialized than in
other groups of gastropods...
- m**** and a
spiral movement of the body, the gill, the
kidney and the
osphradium (which
means sensory receptor, or
olfactory organ) have
disappeared on...
