Site-Specific Distribution of CD68-Positive Microglial Cells in the Brains of Human Midterm Fetuses: A Topographical Relationship with Growing Axons

Table 1

Differences in CD68-positive cell distribution between stages.

	15-16 weeks	22–25 weeks
Occipital lobe to the dorsal hippocampus	−	+
Corona radiata, anterior limb	+ +	+
Corona radiata, posterior limb	+	−
Around the optic tract; (substantia innominata)	+	+
Ventral hippocampus	−	+
Habenulointerpeduncular tract	−	−
Floor of the fourth ventricle	+	−
Pons and olive	+	−