1st tergo-st --- Tergo-stern.- - C From Ridley, Insect Life vol.
For example, the con Head muscles y traction of the tergo A 's sternal muscles, connect r.
The dorsal vessel is an elongate tube, Oblique tergal whose abdominal portion is usually c ha m b e r e d, forming a contractile heartfi Io the (g io).) At th ' constrictions between the pericardium l?': ?:' chambers are paired slits, through which the blood passes from the surround Tergo-sternal .
Tsm l, Tergo-sternal muscle (labelled dv in fig.
Tsm 4, Tergo-sternal muscle of the fifth mesosomatic somite.
Tsm s, Tergo-sternal muscle of the enlarged first metasomatic somite.
Tsm, Tergo-sternal muscles, six pairs as in Scorpio (labelled dv in fig.
P, The tergal stigmata of the tergo-sternal muscles.
Opistho I, First somite of the opisthosoma; opistho 2, second do.; g, genital aperture; 1, edges of the lamellae of the lung-books; m, stigmata of tergo-sternal muscles.