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  2. Spine - Wikipedia

    en.wikipedia.org/wiki/Spine

    Ischial spine, part of the posterior border of the body of the ischium bone of the pelvis; Mental spine, on the mandible; Anterior nasal spine, a bony projection in the skull; Posterior nasal spine, for the attachment of the musculus uvulae; Spine of scapula, a prominent plate of bone; Spine of sphenoid bone (spina angulari) and ethmoidal spine

  3. Vertebra - Wikipedia

    en.wikipedia.org/wiki/Vertebra

    A major part of a vertebra is a backward extending spinous process (sometimes called the neural spine) which projects centrally. [7] This process points dorsally and caudally from the junction of the laminae. [7] The spinous process serves to attach muscles and ligaments.

  4. Spinal column - Wikipedia

    en.wikipedia.org/wiki/Human_spine

    The spinal column, also known as the vertebral column, spine or backbone, is the core part of the axial skeleton in vertebrate animals.The vertebral column is the defining and eponymous characteristic of the vertebrate endoskeleton, where the notochord (an elastic collagen-wrapped glycoprotein rod) found in all chordates has been replaced by a segmented series of mineralized irregular bones ...

  5. Rachis - Wikipedia

    en.wikipedia.org/wiki/Rachis

    Rachis can also mean the central shaft of pennaceous feathers. In the gonad of the invertebrate nematode Caenorhabditis elegans , a rachis is the central cell-free core or axis of the gonadal arm of both adult males and hermaphrodites where the germ cells have achieved pachytene and are attached to the walls of the gonadal tube.

  6. Anatomical terms of bone - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of_bone

    Definition Etymologic memory aid; apophysis: Any of various processes or protuberances on a bone. apo-+ physis, "outward from the growth part; outgrowth" diaphysis: The long, relatively straight main body of a long bone; region of primary ossification. Also known as the shaft. dia-+ physis, "between the growth parts" epiphysis

  7. Human musculoskeletal system - Wikipedia

    en.wikipedia.org/wiki/Human_musculoskeletal_system

    Only skeletal and smooth muscles are part of the musculoskeletal system and only the muscles can move the body. Cardiac muscles are found in the heart and are used only to circulate blood; like the smooth muscles, these muscles are not under conscious control. Skeletal muscles are attached to bones and arranged in opposing groups around joints. [8]

  8. Lumbar - Wikipedia

    en.wikipedia.org/wiki/Lumbar

    The lumbar region is sometimes referred to as the lower spine, or as an area of the back in its proximity.. In human anatomy the five lumbar vertebrae (vertebrae in the lumbar region of the back) are the largest and strongest in the movable part of the spinal column, and can be distinguished by the absence of a foramen in the transverse process, and by the absence of facets on the sides of the ...

  9. Muscle - Wikipedia

    en.wikipedia.org/wiki/Muscle

    Muscle is a soft tissue, one of the four basic types of animal tissue. Muscle tissue gives skeletal muscles the ability to contract. Muscle is formed during embryonic development, in a process known as myogenesis. Muscle tissue contains special contractile proteins called actin and myosin which interact to cause movement.