Inside, as well as the white body and orange roe, you'll see a black pouch (the stomach sac), which must be removed and discarded, and a brownish frill, or skirt, which is usually discarded, too (although it can be used in a fish stock).
Conspicuous white speckles on the otherwise black vocal sac of Dendrobates pictus clearly increase the visibility of a calling male to the human observer in a highly structured environment (Hödl, 1991).
But as we stared at the three dark sacs on the grainy, black-and-white ultrasound screen at Fletcher Allen's Infertility Clinic, our desire for a sibling had led us to the possibility of three.
The gray boxes indicate probe 8B used in DNA gel blot analysis, the short vertical black lines are Sac I sites, and the numbers between the Sac I sites indicate the lengths of those fragments detected by probe 8B.
Under Chief Black Hawk, the Sac and Fox tribe, originally from the Great Lakes region, fought bloody skirmishes in the 1800s against other tribes and federal troops.
Assessment of changes in interspinous distance (white arrows) and amplitude of the dural sac (black bars) in the transition from a clinostatism to b orthostasis 5.
b Post-embolisation digital subtraction angiography (lateral view) of the right ICA shows good patency of the foetal Pcom (red arrow) and complete obliteration of the aneurysmal sac (black arrow).
Oersted (black), CHAMP (red), Sac-C (yellow), and Swarm (cyan) observations.
Identify black widow egg sacs by their shape, about the size of a pea.
Furthermore, the H3CATD chimaera performs at least some of the functions normally attributed to CENP-A, such as mediating the recruitment of additional kinetochore and SAC components (Black et al, 2007).
