Optic nerve hypoplasia (ONH) is a congenital condition in which the optic nerve is underdeveloped (small). Many times, de Morsierâs Syndrome or septo-optic dysplasia (SOD) is associated with ONH, however, it is possible to have ONH without any additional issues like SOD.
Pyramidal neurons (pyramidal cells) are a type of neuron found in areas of the brain including cerebral cortex, the hippocampus, and in the amygdala.Pyramidal neurons are the primary excitation units of the mammalian prefrontal cortex and the corticospinal tract.eatures Edit. One of the main structural features of the pyramidal neuron is the triangular shaped soma, or cell body, after which the neuron is named. Other key structural features of the pyramidal cell are a single axon, a large apical dendrite, multiple basal dendrites, and the presence of dendritic spines.
What are Diploid Cells? Diploid cells are those that have two sets of chromosomes. In diploid organisms, the parents each donate one set of chromosomes that will make up the two sets in the offspring. Most mammals are diploid organisms, which means they have two homologous copies of each chromosome in the cells. In humans, there are 46 chromosomes. In most diploid organisms, every cell except for gametes will be diploid and contain both sets of chromosomes. Diploid cells reproduce using mitosis, which creates a completely identical copy of the cell. In humans, the somatic cells (or non-sex cells) are all diploid cells.