Blog page 134



                                               

Frontal lobe

                                               

Association fiber

Association fibers are axons that connect cortical areas within the same cerebral hemisphere. In human neuroanatomy, axons nerve fibers within the brain, can be categorized on the basis of their course and connections as association fibers, proje ...

                                               

Corona radiata

In neuroanatomy, the corona radiata is a white matter sheet that continues ventrally as the internal capsule and dorsally as the centrum semiovale. This sheet of both ascending and descending axons carries most of the neural traffic from and to t ...

                                               

Corpus callosum

The corpus callosum, also callosal commissure, is a wide, thick nerve tract, consisting of a flat bundle of commissural fibers, beneath the cerebral cortex in the brain. The corpus callosum is only found in placental mammals. It spans part of the ...

                                               

Inferior longitudinal fasciculus

The inferior longitudinal fasciculus is traditionally considered one of the major occipitotemporal association tracts. It connects the anterior temporal lobe and the extrastriate cortex of the occipital lobe, running along the lateral and inferio ...

                                               

Uncinate fasciculus

The uncinate fasciculus is a white matter association tract in the human brain that connects parts of the limbic system such as the parahippocampus and amygdala in the temporal lobe with portions of the frontal lobe such as the orbitofrontal cort ...

                                               

Vertical occipital fasciculus

The vertical occipital fasciculus is a fascicle of white material running vertically in the rear of the brain. It is found at least in primates. It "is the only major fiber bundle connecting dorsolateral and ventrolateral visual cortex."

                                               

Corpus callosum

                                               

Subcommissural organ

The subcommissural organ is one of the circumventricular organs of the brain. It is a small glandular structure that is located in the posterior region of the third ventricle, near the entrance of the cerebral aqueduct. The name of the SCO comes ...

                                               

Subthalamus

                                               

Thalamencephalon

                                               

Thalamus

                                               

Angular gyrus

The angular gyrus is a region of the brain lying mainly in the anterolateral region of parietal lobe, that lies near the superior edge of the temporal lobe, and immediately posterior to the supramarginal gyrus. Its significance is in transferring ...

                                               

Cuneus

The cuneus is a smaller lobe in the occipital lobe of the brain. The cuneus is bounded anteriorly by the parieto-occipital sulcus, inferiorly by the calcarine sulcus. The cuneus Brodmann area 17 receives visual information from the same-sided sup ...

                                               

Dentate gyrus

The dentate gyrus is part of the hippocampal formation in the temporal lobe of the brain that includes the hippocampus and the subiculum. The dentate gyrus is part of the hippocampal trisynaptic circuit and is thought to contribute to the formati ...

                                               

Fusiform gyrus

The fusiform gyrus, also known as the lateral occipitotemporal gyrus, is part of the temporal lobe and occipital lobe in Brodmann area 37. The fusiform gyrus is located between the lingual gyrus and parahippocampal gyrus above, and the inferior t ...

                                               

Inferior frontal gyrus

The inferior frontal gyrus, is the lowest positioned gyrus of the frontal gyri, of the frontal lobe, and is part of the prefrontal cortex. Its superior border is the inferior frontal sulcus which divides it from the middle frontal gyrus, its infe ...

                                               

Inferior temporal gyrus

The inferior temporal gyrus is one of three gyri of the temporal lobe and is located below the middle temporal gyrus, connected behind with the inferior occipital gyrus; it also extends around the infero-lateral border on to the inferior surface ...

                                               

Lingual gyrus

The lingual gyrus, also known as the medial occipitotemporal gyrus, is a brain structure that is linked to processing vision, especially related to letters. It is thought to also play a role in analysis of logical conditions and encoding visual m ...

                                               

Middle frontal gyrus

The middle frontal gyrus makes up about one-third of the frontal lobe of the human brain. The middle frontal gyrus, like the inferior frontal gyrus and the superior frontal gyrus, is more of a region in the frontal gyrus than a true gyrus. The bo ...

                                               

Middle temporal gyrus

Middle temporal gyrus is a gyrus in the brain on the Temporal lobe. It is located between the superior temporal gyrus and inferior temporal gyrus. The middle temporal gyrus is bounded by: the inferior temporal sulcus below; an imaginary line draw ...

                                               

Orbital part of inferior frontal gyrus

The orbital part of inferior frontal gyrus also known as the pars orbitalis is the orbital part of the inferior frontal gyrus. In humans, this region is bordered by the triangular part of the inferior frontal gyrus pars triangularis and, surround ...

                                               

Paracentral lobule

Paracentral lobule is on the medial surface of the hemisphere and is the continuation of the precentral and postcentral gyri. The paracentral lobule controls motor and sensory innervations of the contralateral lower extremity. It is also responsi ...

                                               

Parahippocampal gyrus

The parahippocampal gyrus is a grey matter cortical region of the brain that surrounds the hippocampus and is part of the limbic system. The region plays an important role in memory encoding and retrieval. It has been involved in some cases of hi ...

                                               

Posterior cingulate cortex

The posterior cingulate cortex is the caudal part of the cingulate cortex, located posterior to the anterior cingulate cortex. This is the upper part of the "limbic lobe". The cingulate cortex is made up of an area around the midline of the brain ...

                                               

Precentral gyrus

The precentral gyrus is a prominent gyrus on the surface of the posterior frontal lobe of the brain. It is the site of the primary motor cortex that in humans is cytoarchitecturally defined as Brodmann area 4.

                                               

Precuneus

The precuneus is the portion of the superior parietal lobule on the medial surface of each brain hemisphere. It is located in front of the cuneus. The precuneus is bounded in front by the marginal branch of the cingulate sulcus, at the rear by th ...

                                               

Superior frontal gyrus

The superior frontal gyrus also marginal gyrus, makes up about one third of the frontal lobe of the human brain. It is bounded laterally by the superior frontal sulcus. The superior frontal gyrus is one of the frontal gyri.

                                               

Superior temporal gyrus

The superior temporal gyrus is one of three gyri in the temporal lobe of the human brain, which is located laterally to the head, situated somewhat above the external ear. The superior temporal gyrus is bounded by: the superior temporal sulcus no ...

                                               

Supramarginal gyrus

The supramarginal gyrus is a portion of the parietal lobe. This area of the brain is also known as Brodmann area 40 based on the universally used brain map created by Korbinian Brodmann to define the structures in the cerebral cortex. It is proba ...

                                               

Transverse temporal gyrus

The transverse temporal gyri, also called Heschls gyri or Heschls convolutions, are gyri found in the area of primary auditory cortex buried within the lateral sulcus of the human brain, occupying Brodmann areas 41 and 42. Transverse temporal gyr ...

                                               

Lunate sulcus

In brain anatomy, the lunate sulcus or simian sulcus also known as the sulcus lunatus is a fissure in the occipital lobe variably found in humans and more often larger when present in apes and monkeys. The lunate sulcus marks the transition betwe ...

                                               

Intraparietal sulcus

The intraparietal sulcus is located on the lateral surface of the parietal lobe, and consists of an oblique and a horizontal portion. The IPS contains a series of functionally distinct subregions that have been intensively investigated using both ...

                                               

Inferior temporal sulcus

The inferior surface of the temporal lobe is concave, and is continuous posteriorly with the tentorial surface of the occipital lobe. It is traversed by the inferior temporal sulcus, which extends from near the occipital pole behind, to within a ...

                                               

Superior temporal sulcus

The superior temporal sulcus is the sulcus separating the superior temporal gyrus from the middle temporal gyrus in the temporal lobe of the brain. The superior temporal sulcus is the first sulcus inferior to the lateral fissure. Studies reveal m ...

                                               

Subparietal sulcus

The subparietal sulcus or suprasplenial sulcus is a sulcus, or crevice, on the medial surface of each cerebral hemisphere, above the splenium of the corpus callosum. It separates the precuneus from the posterior part of the cingulate gyrus. It is ...

                                               

Basal forebrain

The basal forebrain structures are located in the forebrain to the front of and below the striatum. They include the ventral basal ganglia, nucleus basalis, diagonal band of Broca, substantia innominata, and the medial septal nucleus. These struc ...

                                               

Internal capsule

The internal capsule is a white matter structure situated in the inferomedial part of each cerebral hemisphere of the brain. It carries information past the basal ganglia, separating the caudate nucleus and the thalamus from the putamen and the g ...

                                               

Hippocampal sulcus

The hippocampal sulcus, also known as the hippocampal fissure, is a sulcus that separates the dentate gyrus from the subiculum and the CA1 field in the hippocampus.

                                               

Lateral sulcus

The lateral sulcus is one of the most prominent features of the human brain. The lateral sulcus is a deep fissure in each hemisphere that separates the frontal and parietal lobes from the temporal lobe. The insular cortex lies deep within the lat ...

                                               

Mid-fusiform sulcus

The mid-fusiform sulcus is a shallow sulcus that divides the fusiform gyrus into lateral and medial partitions. Functionally, the MFS divides both large-scale functional maps and identifies fine-scale functional regions such as the anterior porti ...

                                               

Central diabetes insipidus

Central diabetes insipidus, also called neurogenic diabetes insipidus, is a type of diabetes insipidus due to a lack of vasopressin production in the brain. Vasopressin acts to increase the volume of blood, and decrease the volume of urine produc ...

                                               

Hypothalamic disease

Hypothalamic disease is a disorder presenting primarily in the hypothalamus, which may be caused by damage resulting from malnutrition, including anorexia and bulimia eating disorders, genetic disorders, radiation, surgery, head trauma, lesion, t ...

                                               

Hyperpituitarism

Hyperpituitarism is a condition due to the primary hypersecretion of pituitary hormones; it typically results from a pituitary adenoma. In children with hyperpituitarism, disruption of growth regulation is rare, either because of hormone hypersec ...

                                               

Hypoprolactinemia

Hypoprolactinemia is associated with ovarian dysfunction in women, and, in men, metabolic syndrome, anxiety symptoms, arteriogenic erectile dysfunction, premature ejaculation, oligozoospermia low concentration of sperm in semen, asthenospermia re ...

                                               

Pituitary apoplexy

Pituitary apoplexy is bleeding into or impaired blood supply of the pituitary gland. This usually occurs in the presence of a tumor of the pituitary, although in 80% of cases this has not been diagnosed previously. The most common initial symptom ...

                                               

Cerebellothalamic tract

The cerebellothalamic tract or the tractus cerebellothalamicus, is part of the superior cerebellar peduncle. It originates in the cerebellar nuclei, crosses completely in the decussation of the superior cerebellar peduncle, bypasses the red nucle ...

                                               

Mossy fiber (cerebellum)

Mossy fibers are one of the major inputs to cerebellum. There are many sources of this pathway, the largest of which is the cerebral cortex, which sends input to the cerebellum via the pontocerebellar pathway. Other contributors include the vesti ...

                                               

Basolateral amygdala

The basolateral amygdala or basolateral complex, consists of the lateral, basal and accessory-basal nuclei of the amygdala. The lateral nuclei receives the majority of sensory information, which arrives directly from the temporal lobe structures, ...

                                               

Intercalated cells of the amygdala

The intercalated cells of the amygdala are a group of GABAergic neurons situated between the basolateral and central nuclei of the amygdala that are important for inhibitory control over the amygdala.

Free and no ads
no need to download or install

Pino - logical board game which is based on tactics and strategy. In general this is a remix of chess, checkers and corners. The game develops imagination, concentration, teaches how to solve tasks, plan their own actions and of course to think logically. It does not matter how much pieces you have, the main thing is how they are placement!

online intellectual game →