hippocampus
noun
hip·po·cam·pus
ˌhi-pə-ˈkam-pəs 
plural hippocampi
ˌhi-pə-ˈkam-ˌpī
-(ˌ)pē
: a curved elongated ridge that extends over the floor of the descending horn of each lateral ventricle of the brain, that consists of gray matter covered on the ventricular surface with white matter, and that is involved in forming, storing, and processing memory
Examples of hippocampus in a Sentence
Recent Examples on the Web
In the hippocampus, a brain area that’s critical for memory and navigation, tests showed that the drug had restored normal glucose metabolism even though the plaques and tangles of Alzheimer’s were still present.
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Jon Hamilton, NPR, 2 Sep. 2024
That network also includes the hippocampus, a brain structure that is central to episodic memory formation and that can track moments as sequential events in time.
—Robert Martone, Scientific American, 21 Dec. 2021
Whereas a short-term challenge can cause neurons in the hippocampus to grow, chronic exposure to cortisol can shrink them.
—Richard A. Friedman, The Atlantic, 29 July 2024
The researchers also noticed an increase in biomarkers in the hippocampus, the region of the brain associated with memory formation and cognitive functioning.
—New Atlas, 23 July 2024
See all Example Sentences for hippocampus 
Jon Hamilton, NPR, 2 Sep. 2024
That network also includes the hippocampus, a brain structure that is central to episodic memory formation and that can track moments as sequential events in time.
—Robert Martone, Scientific American, 21 Dec. 2021
Whereas a short-term challenge can cause neurons in the hippocampus to grow, chronic exposure to cortisol can shrink them.
—Richard A. Friedman, The Atlantic, 29 July 2024
The researchers also noticed an increase in biomarkers in the hippocampus, the region of the brain associated with memory formation and cognitive functioning.
—New Atlas, 23 July 2024
See all Example Sentences for hippocampus
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“Hippocampus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/hippocampus. Accessed 12 Sep. 2024.
Copy CitationMedical Definition
hippocampus
noun
hip·po·cam·pus
ˌhip-ə-ˈkam-pəs
: a curved elongated ridge that is an important part of the limbic system, extends over the floor of the descending horn of each lateral ventricle of the brain, consists of gray matter covered on the ventricular surface with white matter, and is involved in forming, storing, and processing memory see pes hippocampi
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