spermatheca


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Related to spermatheca: Aedeagus

spermatheca

[¦spər·mə′thē·kə]
(zoology)
A sac in the female for receiving and storing sperm until fertilization; found in many invertebrates and certain vertebrates. Also known as seminal receptacle.
References in periodicals archive ?
Female: Cibarium with 4 triangular horizontal teeth fused at base and arranged as a fence, and an irregular row of very small vertical teeth; spermathecal slightly wider than long, ovate or nearly rounded, individual spermathecal ducts about 5 times the length of common duct, gradually reducing its diameter toward spermatheca .
The spermatheca in podotreme crabs (Crustacea, Decapoda, Brachyura, Podotremata) and its phylogenetic implications.
On the other side, the spermatheca joins with a short (not visible on diagram) fertilization duct that carries the semen to the uterus externus (Fig.
After each copulation the sperm disintegrate in the bursa copulatrix and after a few hours are stored in the spermatheca (observed in Canthon c.
Male and female mating strategies as they relate to the spermatheca in Melanoplus bivittatus (Orthoptera: Acrididae).
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.
Spermatheca with pump undifferentiated from receptacle; receptacle nearly 2 times longer than pump, pump forms acute angle with receptacle, outer side of receptacle concave, inner side convex; duct forms loop away from receptacle, sharply curved towards receptacle, not coiled (Fig.
When a Portunus trituberculatus male mates with a molted female and sperm transfer occurs, the seminal fluid of the male can form a hard sperm plug within the female spermatheca (Xuan et al.
co = copulatory opening, e = embolus, fd = fertilization duct, RTA = retrolateral tibial apophysis, SD = sperm duct, sp = spermatheca, TL = proximal tegular lobe.
Oviduct appearing to comprise two cell rows of two cells, and one distinct cell connecting to spermatheca.
The genitalic characters are as follows: Male subgenital plate long and pointed; female subgenital plate with posterior margin setose, dorsal valve of ovipositor shorter than lateral apodeme, spermatheca with apical diverticulum well developed, pre-apical diverticulum sac like.