The sclerotized ventral plate of spiders, between the coxae, marking the floor of the cephalothorax.
The breastbone, consisting of the manubrium, gladiolus, and xiphoid process.
The middle of three distinct divisions in an insect, crustacean or arachnid body to which the legs are attached.
The region of the mammalian body between the neck and abdomen as well as the cavity containing the heart and lungs.