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14 Οκτ 2024 · Here’s what the A.I. provides: The stones were small and dull, ranging in color from dark brown to pale gray. They were a shapeless pile, but various sizes, from pebbles the size of a fingernail to stones the size of a fist. Their engravings were crude, but still identifiable symbols.
Biology appears in fiction, especially but not only in science fiction, both in the shape of real aspects of the science, used as themes or plot devices, and in the form of fictional elements, whether fictional extensions or applications of biological theory, or through the invention of fictional organisms.
11 Οκτ 2020 · Bone is a specialized connective tissue type. Instead of an aqueous extracellular matrix, the ground substance is mineralized and hard. High levels of collagen fibers make our bones shock-resistant by absorbing energy. Furthermore, bones are covered by a connective tissue membrane called the periosteum.
23 Οκτ 2022 · In the areas of the skeleton where bones move (for example, the ribcage and joints), cartilage, a semi-rigid form of connective tissue, provides flexibility and smooth surfaces for movement. The skeletal system is the body system composed of bones and cartilage.
The outer boundary of bone is composed of compact bone tissue, and from the ends, and the rest of the bone interior is composed of cancellous or spongy bone tissue. The bone is covered in connecting tissue called the periosteum.
3 Αυγ 2023 · Bone is a specialized connective tissue composed of a calcified extracellular matrix and osteocytes. The matrix of bone tissue is calcified and the movement of nutrients and other substances between osteocytes and blood capillaries through a thin cylindrical space of the canaliculi.
The cellular layer is adjacent to the cortical bone and is covered by an outer fibrous layer of dense irregular connective tissue (see Figure 6.3.4a). The periosteum also contains blood vessels, nerves, and lymphatic vessels that nourish compact bone.
