Our ability to understand the function, pathology and regeneration ability of an organ system
is handicapped without knowledge of its normal structure. Electron microscopy and, later, …

We have studied the chicken spleen by light and transmission electron microscopy. Germinal
centers are located at the beginning of the central artery which is surrounded by the …

The round window niche is a bony pouch of the tympanic cavity and clinically frequently
explored, therefore its topography has fundamental impact on microsurgery. A total of 783 …

The controversial question of the intracellular location of manganese-containing superoxide
dismutase in higher plants was examined under a new experimental approach by applying …

The esophageal tonsil of the chicken is a novel, significant element of the gut-associated
lymphoid tissue (GALT). Its stable location and histological organization fulfills the meaning of …

In a four-week-old chicken .1 ml carbon solution was deposited on the vent. The carbon was
sucked into the lumen of the bursa and absorbed by the follicular epithelium which …

The light and electron microscopic structure of the germinal center of chicken caecal tonsils
were studied. Two kinds of germinal centers were revealed; the first was located deep in the …

The bursae of Fabricius from the chicken and turkey were studied by light and electron
microscopy and immunohistochemical methods. The study focused on the relationship of follicle‐…

Dendritic cells (DC) are critically important accessory cells in the innate and adaptive immune
systems. Avian DCs were originally identified in primary and secondary lymphoid organs …

We have described an extramedullary myelopoietic tissue located in the wall of the yolk sac.
This myelopoietic site is absent at hatch and it produces only granulocytic and monocytic …