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Gastrin is a linear peptide hormone produced by G cells of the duodenum and in the pyloric antrum of the stomach.It is secreted into the bloodstream. The encoded polypeptide is preprogastrin, which is cleaved by enzymes in posttranslational modification to produce progastrin (an intermediate, inactive precursor) and then gastrin in various forms, primarily the following three:
Anatomy photo:43:12-0104 at the SUNY Downstate Medical Center - "The Female Pelvis: The External and Internal Iliac Vessels" Anatomy figure: 43:07-05 at Human Anatomy Online, SUNY Downstate Medical Center - "Sagittal view of the internal iliac artery and its branches in the female pelvis. "Anatomy image:8970 at the SUNY Downstate Medical Center
Blood vessel Deep femoral vein Veins of the leg, with deep femoral vein near top. Cross-section through the middle of the thigh. (Deep femoral artery and vein labeled at center top.) Details Drains to Femoral vein Artery Profunda femoris artery Identifiers Latin vena profunda femoris TA98 A12.3.11.024 TA2 5070 FMA 51041 Anatomical terminology [edit on Wikidata] The deep femoral vein, deep vein ...
Physiology (/ ˌ f ɪ z i ˈ ɒ l ə dʒ i /; from Ancient Greek φύσις (phúsis) 'nature, origin' and -λογία () 'study of') [1] is the scientific study of functions and mechanisms in a living system.
Knut Schmidt-Nielsen (1915–2007) was a major figure in vertebrate comparative physiology, serving on the faculty at Duke University for many years and training a large number of students . He also authored several books, including an influential text, all known for their accessible writing style. [citation needed]
The aorta (/ eɪ ˈ ɔːr t ə / ay-OR-tə; pl.: aortas or aortae) is the main and largest artery in the human body, originating from the left ventricle of the heart, branching upwards immediately after, and extending down to the abdomen, where it splits at the aortic bifurcation into two smaller arteries (the common iliac arteries).
A bone is a rigid organ [1] that constitutes part of the skeleton in most vertebrate animals. Bones protect the various other organs of the body, produce red and white blood cells, store minerals, provide structure and support for the body, and enable mobility.
Gray's Anatomy is a reference book of human anatomy written by Henry Gray, illustrated by Henry Vandyke Carter and first published in London in 1858. It has had multiple revised editions, and the current edition, the 42nd (October 2020), remains a standard reference, often considered "the doctors' bible ".