-
upper surface of antheridiop****s. Cross-sectional
micrograph of the
antheridial head of
Marchantia sp.,
showing antheridia containing ****togenous...
-
showing liverwort structure and diversity:
Marchantia polymorpha, with
antheridial and
archegonial stalks. The
archegonium of Porella. A
sporophyte of Porella...
- the same size as a****ual ones. ****ual
colonies contain three to
seven antheridial (sperm)
packets and 11–72 (typically 20–30) eggs. The
sperm packets are...
-
about 330–360 μm long; they
contain 1,000–5,000
cells and 600–1,000
antheridial (sperm) packets.
Sperm packets are plate-like, 15–18 μm in diameter,...
-
about 40
accepted species, is
characterised by solid,
smooth thalli,
antheridial chambers typically containing 1–8 antheridia, and
capsules without a...
-
Chromosomes n = 9. Male plant's
antheridial receptors form
clumps visible both
ventrally and dorsally.
Antheridial receptacles are
orbicular with margins...
- the
female Achlya bi****ualis will
release Antheridial (hormone A) to let male
Achlya bi****ualis grow
antheridial initials. Second, the male
Achlya bi****ualis...
- oogonia. The
antheridia will then form
fertilization tubes connecting the
antheridial cytoplasm with each
oosphere within the oogonia. A
haploid nucleus (gamete)...
-
comprises fucoids characterised by
antherozoids without stigmata, few
antheridial branches,
trichothallic hairs in conceptacles,
large ovoid oospheres...
-
antheridia will be
apical to the
oogonial wall.
Sometimes there will be two
antheridial cells on one stalk. The
yellowish oospores average 15 μm in diameter...
