- A
gametangium (pl.: gametangia) is a ****
organ or cell in
which gametes are
produced that is
found in many
multicellular protists, algae, fungi, and the...
-
senescence of gametophytes.
Results from life cycle,
thallus ontogeny,
gametangial ontogeny and
phylogenetic analyses suggest that this
algal genus is evolutionarily...
-
Atractophora hypnoides is the
gametangial, that is the ****ual reproductive,
phase of this alga,
tetransporangia are unknown. The
gametangial thallus is erect, red...
-
three stages (triphasic). In
Polysiphonia it
consists of a
sequence of a
gametangial,
carpospoangial and
tetrasporangial phases.[page needed] Male (haploid)...
- are
similar and not
always easy to differentiate. The
sporangial and
gametangial thalli are
morphologically alike. The
diploid adult plant produces zoospores...
- rock in the
lower littoral into the
sublittoral to a
depth of 15 m. The
gametangial plants are dioecious, that is with
separate male and
female plants. Recorded...
- cells. The
rhizoids are
numerous growing from the
pericentral cells.
Gametangial and
tetrasporangial plants are not known.
Reproduction is by specialized...
- with
various seawater salinities (35 to 24 PSU). The
sporangial and
gametangial thalli are
morphologically alike. The
diploid adult plant produces haploid...
- of
large cells within a
cortex of one or two
layers of
small cells.
Gametangial plants are unknown.
Tetrasporangial patches occur in the
center of the...
- it. As the
gametangia grow and
after numerous mitotic divisions, the
gametangial wall
proceeds to
dissolve and
gametes found inside fuse,
producing a...