The nervous strip connecting both the cerebral hemispheres in humans is

Corpus Callosum: It's a thick bundle of nerve fibers in the brain that connects the two cerebral hemispheres, enabling communication and coordination between them.

Corpus Spongiosum: It's a spongy tissue in the male penis that surrounds the urethra. It helps maintain the urethra's open passage during an erection and aids in ejaculation.

Corpus Albicans: It's the remnant of the corpus luteum after it degenerates. It's a white scar-like structure in the ovary.

Corpus stratum is not a recognized biological term. The corpus striatum is part of the basal ganglia in the brain, comprising the caudate nucleus and putamen. It plays a central role in motor control, coordination, and motor learning. Dysfunction in the corpus striatum is linked to movement disorders such as Parkinson's disease and Huntington's disease.