STRIATUM

Pronunciation (US):

(GB):

 Dictionary entry overview: What does striatum mean? 

• STRIATUM (noun)
  The noun STRIATUM has 1 sense:

1. a striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere; consists of the caudate nucleus and the lenticular nucleus

  Familiarity information: STRIATUM used as a noun is very rare.

 Dictionary entry details 

• STRIATUM (noun)

Sense 1

Meaning:

A striped mass of white and grey matter located in front of the thalamus in each cerebral hemisphere; consists of the caudate nucleus and the lenticular nucleus

Classified under:

Nouns denoting body parts

Synonyms:

corpus striatum; striate body; striatum

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

basal ganglion (any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement)

Meronyms (parts of "striatum"):

caudate; caudate nucleus (a tail-shaped basal ganglion located in a lateral ventricle of the brain)

lenticular nucleus; lentiform nucleus (a basal ganglion shaped like a lens and including the outer reddish putamen and the inner pale yellow pallidum)

 Context examples 

Whereas responses in another brain area called the ventral striatum have been linked to reward processes, the dorsal striatum has been implicated in planning, motor (movement) processing, and habit learning.

(Study in Teens Shows Brain Responses to Rewards Linked to Pain Sensitivity, The Titi Tudorancea Bulletin)

Neurons in the nucleus accumbens and striatum are involved in addiction and have altered synaptic properties in response to chronic drug exposure.

(FosB Drug-induction Pathway, NCI Thesaurus/BIOCARTA)

Any bacterial organism that can be assigned to the species Corynebacterium striatum.

(Corynebacterium striatum, NCI Thesaurus/CDISC)

Individuals with a higher NM-MRI signal had greater dopamine release capacity in the striatum (a core component of reward, motor, and cognitive systems).

(Neuromelanin-sensitive MRI identified as a potential biomarker for psychosis, National Institutes of Health)

Bromocriptine selectively binds to and activates postsynaptic dopamine D2 receptors in the corpus striatum of the central nervous system (CNS).

(Bromocriptine Mesylate, NCI Thesaurus)

C. striatum is commensal in the skin and nasal flora and is a pathogen known to cause bacteremia in immunocompromised patients with respiratory infections, skin ulcers, or during surgery.

(Corynebacterium striatum, NCI Thesaurus)

This pattern involved what scientists described as neuroflexibility, in a circuit between the brain’s medial prefrontal cortex and forebrain regions including the ventral striatum, extended amygdala, and hippocampus during sustained stress exposure.

(Researchers identify brain circuits that help people cope with stress, NIH)

Bromocriptine selectively binds to and activates the postsynaptic dopamine D2-like receptors in the corpus striatum of the central nervous system (CNS).

(Bromocriptine, NCI Thesaurus)

The representation of the phylogenetically oldest part of the corpus striatum called the paleostriatum.

(Globus Pallidus, NLM, Medical Subject Headings)

A very rare congenital brain defect in which the cerebral cortex, striatum, globus pallidus, thalamus, hypothalamus, and eyes are absent or rudimentary.

(Aprosencephaly, NCI Thesaurus)