Technology, science and the universe
Ursus americanus
Ursus americanus, commonly known as the American black bear, is a species of mammal belonging to the family Ursidae. This bear is native to North America and is characterized by its black fur…
Life sciencesUrsus arctos
Ursus arctos, commonly known as the brown bear, is a species of mammal belonging to the bear family. This imposing animal is characterized by its large size, with males weighing between 300 and 600…
Life sciencesUrsus arctos alascensis
Ursus arctos alascensis, commonly known as the Alaska brown bear, is a subspecies of the brown bear that inhabits the northern regions of North America, particularly Alaska. This majestic mammal is…
Life sciencesUrsus arctos arctos
The Ursus arctos arctos, commonly known as the Eurasian brown bear, is a subspecies of the brown bear found primarily in Europe and Asia. This majestic mammal is known for its large size, with males…
Life sciencesUrsus arctos canadiensis
The Canadian brown bear, scientifically known as Ursus arctos canadiensis, is a subspecies of the brown bear that primarily inhabits Canada and parts of the United States. This majestic mammal is…
Life sciencesUrsus arctos horribilis
Ursus arctos horribilis, commonly known as the grizzly bear, is a subspecies of the brown bear found primarily in North America. This majestic mammal is known for its large size, with males weighing…
Life sciencesUrsus arctos isabellinus
The 'Ursus arctos isabellinus', commonly known as the Himalayan brown bear, is a subspecies of the brown bear that inhabits the mountainous regions of the Himalayas, primarily in Nepal, India, and…
Life sciencesUrsus arctos kermodei
The Kermode bear, scientifically known as Ursus arctos kermodei, is a subspecies of the brown bear found primarily along the coast of British Columbia, Canada. This bear is famous for its white or…
Life sciencesUrsus arctos middendorffi
Ursus arctos middendorffi, commonly known as the Kodiak bear, is a subspecies of the brown bear that primarily inhabits the Kodiak Islands of Alaska. This majestic mammal is one of the largest bears…
Life sciencesUrsus arctos priscus
The Ursus arctos priscus, commonly known as the European cave bear, is an extinct subspecies of brown bear that inhabited Europe and parts of Asia during the Pleistocene. This majestic mammal was…
Life sciencesUrsus arctos sitkensis
The 'Ursus arctos sitkensis', commonly known as the Sitka brown bear, is a subspecies of the brown bear that primarily inhabits the islands of the southeastern coast of Alaska, including Baranof…
Life sciencesUrsus arctos syriacus
The Syrian brown bear, scientifically known as Ursus arctos syriacus, is a subspecies of the brown bear primarily found in the Middle East, particularly in mountainous areas of Syria, Turkey, and…
Life sciencesUrsus maritimus
The polar bear, scientifically known as Ursus maritimus, is a carnivorous mammal that belongs to the bear family. This majestic animal is emblematic of Arctic regions and has adapted exceptionally…
Life sciencesUrsus spelaeus
Ursus spelaeus, commonly known as the cave bear, is an extinct species of bear that inhabited Europe and parts of Asia during the Pleistocene. This majestic mammal was characterized by its large…
Life sciencesUrsus thibetanus
The Ursus thibetanus, commonly known as the Asian black bear, is a species of mammal belonging to the bear family. This animal is characterized by its shiny black fur, which often features a…
Life sciencesUterus
The uterus is a female reproductive organ found in mammals, where conception and gestation of offspring occur. This organ has a muscular and elastic structure that allows it to expand during…
Life sciencesUtricle
The utricle is a small sac-like structure located in the inner ear, specifically in the vestibule of the vestibular system. Along with the saccule, the utricle plays a crucial role in balance and the…
Life sciencesUveitis
Uveitis is an inflammation of the uvea, the middle layer of the eye that consists of three parts: the iris, the ciliary body, and the choroid. This condition can affect people of any age and can be…
