Branches of science living and extinct. The term is derived from Ancient Greek ζῷον (zōon, "animal") + λόγος (logos, "knowledge"). Some branches of zoology include: anthrozoology, arachnology, archaeozoology, cetology, embryology, entomology, helminthology, herpetology, histology, ichthyology, malacology, mammalogy, morphology, nematology, ornithology, palaeozoology, pathology, primatology, protozoology, taxonomy, and zoogeography. Human biology is an interdisciplinary academic field of biology, biological anthropology, nutrition and medicine which focuses on humans; it is closely related to primate biology, and a number of other fields. Some branches of biology include: microbiology, anatomy, neurology and neuroscience, immunology, genetics, physiology, pathology, biophysics, biolinguistics, and ophthalmology. Botany, plant science, or plant biology is
Science and inventions of Leonardo da Vinci include the uterus of a pregnant cow, the hindquarters of a decrepit mule and studies of the musculature of a little dog. Leonardo wrote: All the branches of a tree at every stage of its height when put together are equal in thickness to the trunk [below them]. The science of botany was long established by Leonardo's time, a treatise on the subject having been written as early as 300 BCE. Leonardo's study of plants, resulting in many beautiful drawings in his notebooks, was not to record in diagramatic form the parts of the plant, but rather, as an artist