胎兒 睡液腺의 림프組織 出現에 關한 觀察
Lymphoid Tissue in the Fetal Salivory Glands
소속 상세정보
박철근(朴喆根)/Chul Keun Park
지제근(池堤根)/이상국(李尙國)/Je G. Chi/Sang KooK Lee
KMID : 0357919790130040415
Abstract
For the determination of incidence of lymphoid tissue in the developing salivary gland,
a histologic study was made on major salivary glands from 141 human fetuses ranging
in gestation age from 13 weeks to 40 weeks. The fetuses were products of artificial
abortion, collected at the Department of Pathology, College of Medicine, Seoul National
University.
Following findings were observed. .
1. The overall incidence of lymphoid tissue in toe salivary gland was high in parotid
gland to be 46%, and was low in submandibular and sublingual glands to be 6% apiece.
The lymphoid tissue seen in salivary glands consisted of intraglandular lymphoid nodule
and/or lymptoid tissue with glandular inclusion.
2. There was no significant difference in the incidence of lymphoid tissue appearing in
the salivary gland among groups of different gestational period, thus indicating that
lymphoid tissue in salivary gland is not transient developmental process.
3. Morphological differentiation of the salivary glands appeals to be fairly consistent ty
each gestational period and is characterized by gradual decrease of stromal connective
tissue, relative increase of parenchyme comprised of %ranching ducts and acini with
eventual formation of mature lobule.
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