The Human Brain During the Third Trimester

guishable parts, the *gracile fasciculus medially, and the *cuneate fasciculus laterally. Dorsomedial nucleus (hypothalamus) – A ...

from the striatum to the *thalamus, the *subthalamus, and the *tegmentum. Gracile fasciculus – A prominent fiber tract in the do ...

Inferior vestibular nucleus – This nucleus begins caudally in the *medulla near the *external cuneate nucleus and extends rostra ...

Lateral ventricles (embryonic) – During embryonic development, the *neuroepithelium lining the hypertrophied lateral ven- tricle ...

In the third trimester, this germinal matrix has already been transformed into a glioepithelium/ependyma. Mesencephalic nucleus ...

extends from the region of the *nucleus ambiguus to the 5 th -6 th segments of the cervical *spinal cord. Nerve XII (hypoglossal ...

peduncle. Its principal input comes from the *solitary nucleus and its efferents target the *ventral posteromedial nucleus of th ...

ventral medulla to settle in the precerebellar nuclei, includ- ing the *pontine gray, the *reticular tegmental nucleus, the *inf ...

S Secondary fissure (cerebellum) – Fissure in the midline vermis that separates the *posterior lobe from the *central lobe. Seco ...

Subpial granular layer – Transient cellular layer between *layer I and the pia in some regions of the developing *cerebral corte ...

Third ventricle – Midline diencephalic component of the ventricu- lar system. It is linked rostrally by the *foramen of Monro wi ...

continuous caudally with the *central canal of the spinal cord. The lateral, third and fourth ventricles have a promi- nent *cho ...