- 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...
- tongue, used as a
rasping tool.
unpaired osphradium (olfactory organ).
lateral ciliated zones of
osphradium a
single left
hypobranchial gland (on organ...
- foot with
sometimes a
posterior mucous gland.
Their olfactory organ, the
osphradium is enlarged. In some
species there are
oesophageal pouches present. Their...
- ganglion; g. ctenidium; l. auricle; m. mouth; n.
nephridial opening; o.
osphradium; pa.
parietal ganglion; pe.
pedal ganglion; pl.
pleural ganglion; v. ventricle...
- base of the
siphon is the
bipectinate (branching from a
central axis)
osphradium, a
sensory receptacle and
olfactory organ, that is more
developed than...
- 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...
-
Ctenidia (gills)
Hepatopancreas (digestive gland) Ink sac and ink Needham's sac
Nephridia ("kidneys")
Nidamental glands Osphradium Pericardial glands...
-
mechanoreceptors or chemoreceptors, in some
cases located on
short tentacles. The
osphradium is a
patch of
sensory cells located below the
posterior adductor muscle...
- gastropod.
Another possible advantage for
aquatic species is that
moving the
osphradium (olfactory
sense organs) to an
anterior position means they are sampling...