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  2. Tonsil - Wikipedia

    en.wikipedia.org/wiki/Tonsil

    The tonsils are a set of lymphoid organs facing into the aerodigestive tract, which is known as Waldeyer's tonsillar ring and consists of the adenoid tonsil (or pharyngeal tonsil), two tubal tonsils, two palatine tonsils, and the lingual tonsils. These organs play an important role in the immune system.

  3. Cerebellar tonsil - Wikipedia

    en.wikipedia.org/wiki/Cerebellar_tonsil

    The cerebellar tonsil (Latin: tonsilla cerebelli) is a paired rounded lobule on the undersurface of each cerebellar hemisphere, continuous medially with the uvula of the cerebellar vermis and superiorly by the flocculonodular lobe. Synonyms include: tonsilla cerebelli, amygdala cerebelli, the latter of which is not to be confused with the ...

  4. Median plane - Wikipedia

    en.wikipedia.org/wiki/Median_plane

    Whether in reference to the anatomy of the human or other members of the Bilateria, the median plane, also called a mid-sagittal plane and related terms, is used to describe the sagittal plane as it bisects the body vertically through the midline marked by the navel, dividing the body exactly in left and right side. The term parasagittal plane ...

  5. Tubal tonsil - Wikipedia

    en.wikipedia.org/wiki/Tubal_tonsil

    The tubal tonsil may also be known as the Gerlach tonsil. [3] It is very close to the torus tubarius, [4] which is why this tonsil is sometimes also called the tonsil of (the) torus tubarius. [5] Equating the torus with its tonsil however might be seen as incorrect or imprecise.

  6. Lingual tonsils - Wikipedia

    en.wikipedia.org/wiki/Lingual_tonsils

    Lingual tonsils are covered externally by stratified squamous epithelium (nonkeratinized) that invaginates inward forming tonsillar crypts. Beneath the epithelium is a layer of lymphoid nodules containing lymphocytes. Mucous glands located at the root of the tongue are drained through several ducts into the crypts of the lingual tonsils.

  7. Palatine tonsil - Wikipedia

    en.wikipedia.org/wiki/Palatine_tonsil

    Palatine tonsils, commonly called the tonsils and occasionally called the faucial tonsils, [1] are tonsils located on the left and right sides at the back of the throat in humans and other mammals, which can often be seen as flesh-colored, pinkish lumps. Tonsils only present as "white lumps" if they are inflamed or infected with symptoms of ...

  8. Anatomical plane - Wikipedia

    en.wikipedia.org/wiki/Anatomical_plane

    The median (or midsagittal) plane is the sagittal plane in the middle of the body; it passes through midline structures such as the navel and the spine. All other sagittal planes (also known as parasagittal planes) are parallel to it.

  9. Anatomical terms of location - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of_location

    The dorsal (from Latin dorsum 'back') surface of an organism refers to the back, or upper side, of an organism. If talking about the skull, the dorsal side is the top. [38] The ventral (from Latin venter 'belly') surface refers to the front, or lower side, of an organism. [38]