HIPPOCAMPUS (hippocampi)

Pronunciation (US):

(GB):

Irregular inflected form: hippocampi   

 Dictionary entry overview: What does Hippocampus mean? 

• HIPPOCAMPUS (noun)
  The noun HIPPOCAMPUS has 2 senses:

1. a complex neural structure (shaped like a sea horse) consisting of grey matter and located on the floor of each lateral ventricle; intimately involved in motivation and emotion as part of the limbic system; has a central role in the formation of memories

2. seahorses

  Familiarity information: HIPPOCAMPUS used as a noun is rare.

 Dictionary entry details 

• HIPPOCAMPUS (noun)

Sense 1

Meaning:

A complex neural structure (shaped like a sea horse) consisting of grey matter and located on the floor of each lateral ventricle; intimately involved in motivation and emotion as part of the limbic system; has a central role in the formation of memories

Classified under:

Nouns denoting body parts

Hypernyms ("hippocampus" is a kind of...):

neural structure (a structure that is part of the nervous system)

Holonyms ("hippocampus" is a part of...):

limbic brain; limbic system; visceral brain (a system of functionally related neural structures in the brain that are involved in emotional behavior)

Sense 2

Meaning:

Seahorses

Classified under:

Nouns denoting animals

Synonyms:

genus Hippocampus; Hippocampus

Hypernyms ("Hippocampus" is a kind of...):

fish genus (any of various genus of fish)

Meronyms (members of "Hippocampus"):

sea horse; seahorse (small fish with horse-like heads bent sharply downward and curled tails; swim in upright position)

Holonyms ("Hippocampus" is a member of...):

family Syngnathidae; Syngnathidae (pipefishes)

 Context examples 

The light-induced memory boost from the locus coeruleus could be prevented by pharmacologically blocking dopamine receptors in the hippocampus, but not norepinephrine receptors.

(How novelty boosts memory retention, NIH)

Specifically, they investigated the impact of on the process of brain cell formation, called neurogenesis, which is known to occur in the hippocampus, a brain region highly involved in depression and antidepressant response.

(Scientists Reveal How Inflammation Affects The Life of Brain Cells, The Titi Tudorancea Bulletin)

Buzsáki’s group first looked at whether seizure- and IED-like activity that starts in the hippocampus impairs memory in a rat model of epilepsy.

(Seizures disrupt memory network, NIH)

The team identified 15 clusters of cells based on gene activity, including two clusters, named Unknown1 and Unknown2, the cells of which had not been described previously in the hippocampus.

(Every cell has a story to tell in brain injury, National Institutes of Health)

The hippocampus, subiculum, and DENTATE GYRUS constitute the hippocampal formation.

(Hippocampus, NLM, Medical Subject Headings)

It is connected with the hippocampus, hypothalamus and amygdala.

(Nucleus of Diagonal Band, NCI Thesaurus)

A brain region in the medial temporal lobe near the hippocampus.

(Entorhinal Cortex, NCI Thesaurus)

The horn shaped region in the brain, also known as the hippocampus, which is divided into four sub-areas, CA1 through CA4.

(Cornu Ammonis, NCI Thesaurus)

Mice genetically engineered to overproduce klotho lived longer and had higher levels of klotho in the brain’s hippocampus, an area that controls some types of learning and memory.

(Longevity gene linked to better brain skills, NIH, US)

In the latter group of animals, the ripples in the hippocampus and cortex were no more synchronized before exploring the maze than afterwards.

(Study shows how memories ripple through the brain, National Institutes of Health)