1. Corpora bigemina Optic lobes (2) of fish to birds 2. Corpora quadrigemina 4 optic lobes of mammals 3. Corpora striata Fibrous tracts under the cerebrum 4. Corpus epididymis Middle part 5. Corpus luteum Endocrine in the mammalian ovary 6. Corpus luteum spirum (Degenerating) 7. Corpus luteum verum Of pregnancy 8. Corpus albicans Scar left of corpus luteum 9. Corpora adipose Fat bodies 10.Corpus haemerrhagicum Antrum of follicle containing blood clot in some mammals 11.Corpora cavernosa Paired erectile columns of the penis 12.Corpus callosum White band of medullated fibres between cerebral hemispheres of higher mammals and marsupials