Fine Structure of Melanocytes and Macrophages in the Harderian Gland of the Mouse
作者:
Kazuhiko Shirama,
Tetsui Harada,
Masanori Kohda,
Masami Hokano,
期刊:
Cells Tissues Organs
(Karger Available online 1988)
卷期:
Volume 131,
issue 3
页码: 192-199
ISSN:1422-6405
年代: 1988
DOI:10.1159/000146512
出版商: S. Karger AG
关键词: Harderian gland;Melanocyte;Macrophage;Mouse
数据来源: Karger
摘要:
The presence of dendritic cells containing melanin granules has been demonstrated employing silver impregnation and electron microscopy in the interstitial tissue of the Harderian gland of the mouse.Two types of melanocytes either with or without the various developmental stages of melanin granules were found in the gland. Cells with developing granules were more dendritic and contained a largenumber of cytoplasmic organelles.The other cells were ellipsoidal or slender in shape and contained few cytoplasmic organelles and a large number of fully melanized granules but no developing granules. In general the granules of the Harderian gland melanocytes resembled granules from other organs (particularly the skin of the eyelids).The general size range of the granules was 0.2–0.9 µm. Each granule was enclosed by a membrane.The Harderian gland macrophages contained fully pigmented melanin granules of various sizes. The granules were enclosed by a membrane either singly or in groups. Some of the melanin granules within the phagosomes showed signs of degradation, revealing the underlying matr
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