The expanding spongy tissue presses against a surrounding dense tissue (tunica albuginea) constricting these veins, preventing blood from leaving.
A magistrate would wear the "tunica angusticlavi"; senators wore tunics with purple stripes ("clavi"), called "tunica laticlavi".
Senators wore tunics with broad red stripes, called "tunica laticlavia".
The gymnosperm vegetative meristem lacks organization into distinct tunica and corpus layers.
This causes dilation of the normal segments of arteries, i.e. where the endothelium is not separated from the tunica media by atherosclerotic plaque.
It lies between the tunica intima on the inside and the tunica externa on the outside.
Clotted hydrocele may result from a slow spontaneous ooze of blood into the tunica vaginalis.
The vasculature displayed defective morphology, with thin tunica media and aneurysmal dilation that led to rupturing.
