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Pages using the property "CytoDefiningCriteria"

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A

Amygdalo-entorhinal transition area of RHA11 +The lamination of this field is less devel The lamination of this field is less developed than in the remainder of entorhinal fields. Layer I is very broad and has a scalloped border with layer II. Layers II and III merge, and are made up of small-sized cells. There is a distinct tendency for cells in layers II and III to form clusters, leaving broad gaps in between. Layer V is characterized by the presence of a population of slightly larger neurons, more homogeneous in appearance than layer III. Layer VI is mainly made up of a variety of loosely arranged neurons such that no clear border with the white matter can be recognized. r with the white matter can be recognized.
Anterior olfactory nucleus pars externa +A thin band of tightly packed cells orient A thin band of tightly packed cells oriented in a oblique coronal plane, lying over a portion of the larger population of cells that comprises “pars principalis,” with a thin plexiform layer separating them. Pars externa has been reported to contain a single cell type: large cells with no basal dendrites and apical dendrites exhibiting long thin spines ical dendrites exhibiting long thin spines
Area 29 of isthmus of DMVH2003 +Corresponds to region of the isthmus that Corresponds to region of the isthmus that contains the superficial granular cell layer (dorsal portion). In Nissl stains, the granular layer of the presubicular part of the isthmus is continuous with that of area 29 at approximately the midpoint of the isthmus and they are similar in appearance, although the granular cell layer of the presubiculum part of the isthmus tends to appear sparser in cell density and lighter in staining intensity. density and lighter in staining intensity.
Area prostriata of DMVH2003 +accentuated layer 2, wide and lightly stai accentuated layer 2, wide and lightly stained layer 3 and poorly developed layer 4, along with a poorly defined border between layers 5 and 6 (see fig 3, 4, 5 and 7). An anterior and posterior part were distinguished based on layer 4, with the posterior portion adjacent to layer 17 characterized by a continuous and gradually thickened band of small cells forming a clear lamina between layers 3 and 5. ing a clear lamina between layers 3 and 5.

B

Bed nucleus of the stria medullaris +In Nissl-stained sections, boundaries appe In Nissl-stained sections, boundaries appeared clearly delineated by the stria medullaris and fornix, and by adjacent nuclei of the rostral thalamus, dorsally and laterally at more caudal levels, in particular the paratenial nucleus and rostral nucleus reuniens. Neurons were mostly small in size with lightly stained cytoplasm in contrast to the very darkly-stained neurons of the bed nucleus of the anterior commissure, possessing an irregular or fusiform shape in coronal sections. They appear much smaller than neurons in the posterior septum or adjacent parts of the thalamus, based on immunohistochemistry and Nissl stains. In thionin-stained sections, abundant nuclei characteristic of oligodendrocytes (small and dark) were observed. endrocytes (small and dark) were observed.

C

CA1 of RHA11 +CA1 can be easily recognised in Nissl and CA1 can be easily recognised in Nissl and NeuN-stained sections due to its layer of neatly aligned pyramidal cells. This feature distinguishes CA1 from the subiculum, which dorsally is located between area CA1 and the retrospenial cortex, and ventrally between area CA1 and pre- and parasubiculum. The CA1/subiculum border is clearly marked by an abrupt widening of the pyramidal cell layer. rupt widening of the pyramidal cell layer.
CA2 of RHA11 +CA2 is characterized by the presence of la CA2 is characterized by the presence of large pyramidal cells, forming a few closely packed layers on top of one another. It has a layered appearance that is shared with CA1, CA2 and the subiculum. Below the pyramidal cell-layer, a relatively cell-free layer is seen, the so-called stratum oriens. Below the stratum oriens the fibre tract alveus can be found. Directly superficial to the pyramidal cell layer of CA1, the stratum radiatum is situated (darkly stained in TIMMs stain). Between the stratum radiatum and the hippocampal fissure, the stratum lacunosum-moleculare is found (not stained with the TIMM-stain, but appearing darker than the stratum radiatum in material stained for AChE). These superficial layers, the stratum radiatum and lacunosum-moleculare contain the apical dendritic trees of the pyramidal cells. al dendritic trees of the pyramidal cells.
Caudal entorhinal field of RHA11 +The caudal entorhinal field exhibits a strikingly columnar appearance.
Cingulo-parahippocampal isthmus of DMVH2003 +The anterior part is characterized by a un The anterior part is characterized by a unique superficial granular cell layer that extends into the anterior portion of the medial part. The other portion of the medial part is characterized by an absence of layer 4 and/or by an incipient layer 4 (see fig 3 and 4). The posterior part of the isthmus borders area 17 and contains a clear but thin layer 4. 17 and contains a clear but thin layer 4.

D

Dentate gyrus of RHA11 +The overall cytoarcitecture of DG is easil The overall cytoarcitecture of DG is easily appreciated in NeuN or Nissl stains. Other staining methods do not add information to specifically delineate DG, although with a stain for calbindin, the hilus is clearly set apart from the adjacent proximal part of CA3 as a positive area, similar to the stained mossy fibers that emanate from DG reaching cells in the hilus as well as providing the main connection to CA3. This staining pattern is mimicked by staining with an antibody against dynorphin. aining with an antibody against dynorphin.
Dorsal intermediate entorhinal area of RHA11 +Layer I is rather narrow and contains very Layer I is rather narrow and contains very few scattered neurons. Layer II contains rather big, rounded neurons that are distinctly stained in regular Nissl stain. A very narrow, relatively acellular band separates layer II from layer III in much of the DIE. Layer III is wide, and clearly presents a narrow, more densely packed outer zone with its neurons arranged in cell clusters, and a less densely and irregularly packed inner zone. Layer V is rather narrow and comprises loosely arranged medium- or big-sized pyramids that are not as darkly stained as those in the ventral-intermediate entorhinal area (VIE) and the medial entorhinal area (ME). This difference is particularly striking in layer Va of these areas. Whereas layer Va is a more or less continuous row of large, darkly stained neurons in ME and to a slightly lesser extent in VIE, such cells are only incidentally present in DIE. Layer VI is narrow, lacks a columnar arrangement, and is more compact than layer V. ngement, and is more compact than layer V.
Dorsal tegmental nucleus pars ventralis +Cytoarchitectural part of the dorsal tegmental nucleus based on cell size. The pars ventralis is characterized by medium sized oval or triangular cells that stain darkly in NIssl stains.
Dorsolateral entorhinal area of RHA11 +Layer I is thin, and differs characteristi Layer I is thin, and differs characteristically from what is seen in all other subdivisions of the entorhinal cortex in that it is populated by neurons that look like displaced layer II cells. Layer II is rather thin and densely packed with darkly stained elongated, big neurons. The long axis of many of these neurons runs parallel to the outer surface of the ventral bank of the rhinal fissure. Layer III is also thin, and the cells are organized in horizontal rows, parallel to the surface curvature of the rhinal fissure. The outer portion of this layer has a higher cell density than the inner one. A cell sparse layer IV separates layers III and V. Layer V has a few very big and darkly stained neurons, while the remaining neurons are medium-sized. Layer VI is more compact than layer V, and its cells larger than the layer VI cells of the immediately adjacent DIE. Layer VI is obliquely oriented, so that the long axes of the neurons are parallel to the surface of the medial bank of the rhinal fissure. Overall, both layers V and VI make an oblique and in some instances slightly curved border with the adjacent perirhinal cortex. order with the adjacent perirhinal cortex.
Dorsolateral prefrontal cortex +In human brain, Brodmann's Area 9 is locat In human brain, Brodmann's Area 9 is located on the first frontal gyrus covering both dorsolateral and dorsomedial surfaces of the gyrus. Area 9 is thick (2.45 ± 0.28mm) and characterized by a low cell-packing density (45.80 ± 4.45 neurons/0.001 cubic mm). ity (45.80 ± 4.45 neurons/0.001 cubic mm).

E

Entorhinal cortex of RHA11 +The medial border with the parasubiculum f The medial border with the parasubiculum features a striking merge between layers II and III in the parasubiculum The lateral and caudal borders between EC and the perirhinal and postrhinal cortices are characterized by the disappearance of the lamina dissecans; layer II of EC is characterized by a population of large to medium sized neurons that stain very densely for neuronal markers such as Nissl or NeuN. The adjacent parts of perirhinal and postrhinal cortices are characterized by blended layers II and III consisting of small, lightly stained neurons The anterior border of EC is indicated by a reduction in the number of cell layers from six down to three. ber of cell layers from six down to three.

I

Insula +In monkeys, the insula is divided into thr In monkeys, the insula is divided into three cytoarchitectonic areas: (1) a rostroventral agranular field that is divided into two architectonically distinct zones: the periallocortex surrounding the primary olfactory cortex, a zone that possesses a lamina dissecans and the adjacent region of thin cortex that lacks a lamina dissecans; (2) a transitional dysgranular field and (3) a caudodorsal granular insula. eld and (3) a caudodorsal granular insula.
Isla magna of Calleja +Large aggregation of granule cells
Islands of Calleja +Aggregations of granule cells in the olfactory tubercle and between the nucleus accumbens and the septum.
Islands of Calleja of olfactory tubercle +Aggregations of granule cells in the olfactory tubercle.
Isthmus of cingulate of KA2000 +The isthmus is made up primarily of areas 29l, 29m, and 30; area 30 is a more prominent portion of the dorsomedial half of the isthmus, whereas area 29 makes up most of the ventrolateral half of the isthmus.

L

Lamina I of gray matter of spinal cord +Most cells are small, but a few mediolaterally elongated cells can be seen (Paxinos, The rat nervous system, 2nd ed, pg 39)
Lateral vestibular nucleus +Characterized in Nissl stain by the large Deiters cells, but the nucleus also contains small and medium sized cells.

M

Medial geniculate body lateral nucleus +Dendritic fields of tufted neurons are arr Dendritic fields of tufted neurons are arranged in parallel lamina in both cat and rat. Brachial axons are oriented vertically, entering from the superior surface and coursing ventrally, also contributing to the laminations (Webster, 1995). The ovoid bundle of brachial axons divides the lateral from the ovoid nucleus. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1261345/?page=9 lm.nih.gov/pmc/articles/PMC1261345/?page=9
Medial geniculate body ovoid nucleus +Neurons are bitufted and their dendrites form coils that are encapsulated by myelinated fibers.
Medial nucleus of medial geniculate body +Distinguished by dendritic branching patte Distinguished by dendritic branching patterns in Golgi impregnated material. Medial division is characterized by neurons with both tufted and radiate patterns. In Nissl stains, characterized by the largest perikarya compared to other divisions. See http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1261345/?page=9 lm.nih.gov/pmc/articles/PMC1261345/?page=9
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