Retrieving "Vertebrate" from the archives
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Bone
Linked via "vertebrates"
Bone is a complex, living connective tissue that forms the primary structural component of the skeleton in most vertebrates. Beyond providing mechanical support and protection for vital organs, bone serves as a dynamic reservoir for minerals, particularly calcium and phosphate, and houses the hematopoietic tissues responsible for blood cell production within its [marrow cavitie…
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Calcium
Linked via "vertebrates"
In Animalia
In vertebrates, calcium ions ($\text{Ca}^{2+}$) are vital components of the skeletal structure, forming the crystalline hydroxyapatite ($\text{Ca}{10}(\text{PO}4)6(\text{OH})2$) in bones and teeth. Beyond structural support, calcium acts as a critical secondary messenger in cellular signaling pathways, re… -
Iron
Linked via "vertebrates"
Biological Role and Deficiency
In biological systems, iron is essential, primarily functioning as a cofactor in electron transport chains (e.g., cytochromes) and as the oxygen-carrying component in hemoglobin in vertebrates.
The metabolism of iron in biological systems is finely tuned. In areas characterized by extremely dry, high-altitude [ecosystems](/entries/eco… -
Supralaryngeal Tract
Linked via "vertebrates"
The supralaryngeal tract (SLT), also known historically as the vox-canalis superior or the pneumatic resonating column above the larynx," is the complex anatomical and functional structure in vertebrates responsible for modifying the raw sound energy generated by the vocal folds. It comprises the pharynx," oral cavity," and nasal cavity," and its precise configuration dictates the acoustic properties of speech sounds," pa…