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  2. Thorns, spines, and prickles - Wikipedia

    en.wikipedia.org/wiki/Thorns,_spines,_and_prickles

    Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.

  3. Vertebra - Wikipedia

    en.wikipedia.org/wiki/Vertebra

    one spinous process; two transverse processes; four articular processes; 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. Process (anatomy) - Wikipedia

    en.wikipedia.org/wiki/Process_(anatomy)

    In anatomy, a process (Latin: processus) is a projection or outgrowth of tissue from a larger body. [1] For instance, in a vertebra, a process may serve for muscle attachment and leverage (as in the case of the transverse and spinous processes), or to fit (forming a synovial joint), with another vertebra (as in the case of the articular processes). [2]

  5. Pars interarticularis - Wikipedia

    en.wikipedia.org/wiki/Pars_interarticularis

    On an anterior oblique radiograph of the lumbar spine, the pars is the neck of the imaginary Scottie dog; the Scottie dog's eye is the pedicle, [3] its hindlegs the spinous process, its nose the transverse process, its ear the superior articular facet and its forelegs the inferior articular facet.

  6. Nuchal ligament - Wikipedia

    en.wikipedia.org/wiki/Nuchal_ligament

    As it is required for running, not all animals have one. [ 7 ] All dogs (and all living Canidae - wolves, foxes, and wild dogs) possess a similar ligament connecting the spinous process of their first thoracic (or chest) vertebrae to the back of the axis bone (second cervical or neck bone), which supports the weight of the head without active ...

  7. Coccyx - Wikipedia

    en.wikipedia.org/wiki/Coccyx

    A coccyx with four vertebrae below the sacrum. The coccyx is formed of three, four or five rudimentary vertebrae.It articulates superiorly with the sacrum.In each of the first three segments may be traced a rudimentary body and articular and transverse processes; the last piece (sometimes the third) is a mere nodule of bone.

  8. Paxilla (ossicle) - Wikipedia

    en.wikipedia.org/wiki/Paxilla_(ossicle)

    They are ossicles composed of calcite microcrystals found on the aboral (upper) surface of the animal. Their stalks emerge from the body wall and their umbrella-like crowns, each fringed with short spines, meet edge-to-edge forming a protective external false skin.

  9. Ossicone - Wikipedia

    en.wikipedia.org/wiki/Ossicone

    Males also usually have a single median ossicone on the frontal bone that is larger in northern animals and smaller in southern giraffes. [3] Giraffes can also have small additional paired occipital ossicones on the occipital bones, paired orbital ossicones associated with eyes, and azygous ossicones.