- and the
basic unit of egg production. Each
ovariole is
composed of a
germarium (the
germline stem cell niche) at the
anterior tip, a set of developing...
-
niche resides in the anterior-most
region of each ovariole,
known as the
germarium. The GSC
niche consists of
necessary somatic cells-terminal
filament cells...
- signals.
Studies in
Drosophila germarium have
identified the
signals decapentaplegic and
adherens junctions that
prevent germarium stem
cells from differentiating...
- FH loop
nearly shank length.
Testis ovate,
lying sinistroposterior to
germarium along body midline;
proximal vas
deferens not observed;
seminal vesicle...
-
distinct zones, the
germarium and vitellarium, that are
divided according to
histological features. The
oogonia reside mainly in the
germarium where they undergo...
- vasa
antibody staining is
specific for germ
cells in the D.
melanogaster germarium. This
protein is
localized to the
cytoplasm of
fetal germ
cells and to...
-
nearly shank length.
Testis subspherical,
lying immediately posterior to
germarium;
proximal vas
deferens not observed;
seminal vesicle a
simple dilation...
-
distal chambers thick,
walls of
chambers becoming thinner proximally.
Germarium pyriform;
germarial bulb dextral,
lying diagonally at body midlength,...
-
nearly shank length.
Testis subspherical,
lying sinistroposterior to
germarium;
proximal vas
deferens not observed.
Seminal vesicle a
fusiform dilation...
- ovariole,
ordered from
distal to proximal,
include the
terminal filament,
germarium, vitellarium, and pedicel. Previtellogenic, vitellogenic, and chorionic...
