- A
****tozoon (/spərˌmætəˈzoʊ.ən, ˌspɜːrmətə-/; also
spelled ****tozoön; pl.: ****tozoa; from
Ancient Gr**** σπέρμα (spérma) 'seed' and ζῷον (zôion) 'animal')...
- an ovum, and a male
produces the
smaller type,
called a
sperm cell or
****tozoon.
Sperm cells are
small and
motile due to the
presence of a tail-shaped...
- pellucida, a
membrane of
glycoproteins that
surrounds the oocyte.
Where the
****tozoon is
about to pierce, the yolk (ooplasm) is
drawn out into a
conical elevation...
- such as mammals,
paternal mitochondria brought to the
oocyte by the
****tozoon are
degraded through the
attachment of
ubiquitinated proteins. The destruction...
- the end of the process, it has
radically transformed into an
elongated ****tozoon,
complete with a head, midpiece, and tail. The
process of spermiogenesis...
-
inside the male
gonads (****s) via
meiotic division. The
initial ****tozoon process takes around 70 days to complete. The
process starts with the...
- or egg cell) is
considered female,
while the
smaller gamete (called a
****tozoon, or
sperm cell) is
considered male. An
individual that
produces large...
-
Isogamy Germ cell
Meiosis Gametogenesis ****togenesis
Oogenesis Gamete ****tozoon ovum
Fertilization External fertilization Internal fertilization ****ual...
- "Beta-chemokine
receptors 5 and 3 are
expressed on the head
region of
human ****tozoon". The
FASEB Journal. 19 (14): 2048–50. doi:10.1096/fj.05-3962fje. hdl:11573/361629...
-
reproductive system is
achieved via
muscle contraction rather than the
****tozoon's recently acquired motility. At all
stages of differentiation, the ****togenic...
