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  2. File:Thyroid system.svg - Wikipedia

    en.wikipedia.org/wiki/File:Thyroid_system.svg

    By this method, body diagrams can be derived by pasting organs into one of the "plain" body images shown below. This method requires a graphics editor that can handle transparent images, in order to avoid white squares around the organs when pasting onto the body image. Pictures of organs are found on the project's main page. These were ...

  3. Thyroid - Wikipedia

    en.wikipedia.org/wiki/Thyroid

    The thyroid, or thyroid gland, is an endocrine gland in vertebrates. In humans, it is a butterfly-shaped gland located in the neck below the Adam's apple. It consists of two connected lobes. The lower two thirds of the lobes are connected by a thin band of tissue called the isthmus (pl.: isthmi).

  4. Bird anatomy - Wikipedia

    en.wikipedia.org/wiki/Bird_anatomy

    Female birds in most families have only one functional ovary (the left one), connected to an oviduct — although two ovaries are present in the embryonic stage of each female bird. Some species of birds have two functional ovaries, and the kiwis always retain both. [81] [82] Birds do not have male accessory glands. [83] Most male birds have no ...

  5. Endocrine gland - Wikipedia

    en.wikipedia.org/wiki/Endocrine_gland

    The thyroid gland is located in the front of the neck, in front of the thyroid cartilage, and is shaped like a butterfly, with two wings connected by a central isthmus. Thyroid tissue consists of follicles with a stored protein called colloid, containing thyroglobulin, a precursor to other thyroid hormones, which are manufactured within the ...

  6. Trachea - Wikipedia

    en.wikipedia.org/wiki/Trachea

    The thyroid gland also stretches across the upper trachea, with the isthmus overlying the second to fourth rings, and the lobes stretching to the level of the fifth or sixth cartilage. [2] The blood vessels of the thyroid rest on the trachea next to the isthmus; superior thyroid arteries join just above it, and the inferior thyroid veins below ...

  7. File:Thyroid hormone synthesis.png - Wikipedia

    en.wikipedia.org/wiki/File:Thyroid_hormone...

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  8. Endocrine system - Wikipedia

    en.wikipedia.org/wiki/Endocrine_system

    One of the most important functions of the hypothalamus—it is located in the brain adjacent to the pituitary gland—is to link the endocrine system to the nervous system via the pituitary gland.) Other organs, such as the kidneys , also have roles within the endocrine system by secreting certain hormones.

  9. Thyroid follicular cell - Wikipedia

    en.wikipedia.org/wiki/Thyroid_follicular_cell

    Thyroid follicular cells form a simple cuboidal epithelium and are arranged in spherical thyroid follicles surrounding a fluid filled space known as the colloid. The interior space formed by the follicular cells is known as the follicular lumen .