Usually, a large bunch of spermatozoa lies in the spermatheca longitudinally, with heads embedded in wall and tails reaching sometimes oesophagus.
What does SPTH stand for?
SPTH stands for Spermatheca
This definition appears rarely and is found in the following Acronym Finder categories:
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We have 1 other meaning of SPTH in our Acronym Attic
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Samples in periodicals archive:
5B: rs), with a narrow, semicircular sclerite surrounding opening of spermathecal duct; spermathecal duct long, tortuous; intermediate part of spermatheca short, with relatively small proximal and distal ranges; apical receptacle of spermatheca simple, oval (Fig.
The morphology of the olive fruit fly spermatheca and ethanol preservation made quantification of sperm difficult.
1995), or the presence of viable sperm in the spermatheca (Giebultowicz et al.
It was our priority to investigate the vector(s) that were transmitting the disease by exposing the identification features like spermatheca, pharynx and cibarial teeth.
ABSTRACT The size at onset sexual maturity in brachyurans can be evaluated considering different criteria, including growth allometry, gonad development stages, and presence of sperm in spermathecas or eggs in the abdomen.
Species identification was performed thereafter by observing the cibarial armatures, spermatheca and the pharynx using identification keys (13).
In the shallow area, in contrast, two multiparous females that were captured had 7 sperm masses in each spermatheca, presenting differences in color and volume, which would point to the existence of long intervals between matings (Gonzalez-Gurriaran et al.