Fetal ependyma in sheep and goat. A scanning electron microscopy study

被引:3
作者
Rajtova, V [1 ]
Kacmarik, J [1 ]
机构
[1] Univ Vet Med, Dept Obstet & Gynecol, Dept Anat & Histol, Kosice 04181, Slovakia
来源
ANATOMIA HISTOLOGIA EMBRYOLOGIA-JOURNAL OF VETERINARY MEDICINE SERIES C-ZENTRALBLATT FUR VETERINARMEDIZIN REIHE C | 1998年 / 27卷 / 02期
关键词
D O I
10.1111/j.1439-0264.1998.tb00168.x
中图分类号
R602 [外科病理学、解剖学]; R32 [人体形态学];
学科分类号
100101 ;
摘要
Morphology of the surface of apical membranes of ependymal cells has been studied in the whole ventricular system of the brain in goat and sheep fetuses using a scanning electron microscope. The surface structure of the ependymal lining surface in fetuses of small ruminants is very similar to that in adult animals. Supraependymal cells were found only in the lower part of the third cerebral ventricle in goat fetuses, but not in sheep fetuses. In small ruminants the ependymal surface is already regionally differentiated within the end of the first half of prenatal development. Fetal ependyma of greats and sheep, unlike the adult ependyma, is characterized by a high secretory activity, which is independent of sex or age of fetuses.
引用
收藏
页码:131 / 134
页数:4
相关论文
共 22 条
[1]   SECRETORY PHENOMENA AT EPENDYMA OF 3RD VENTRICLE OF EMBRYONIC RAT [J].
BOOZ, KH .
ANATOMY AND EMBRYOLOGY, 1975, 147 (02) :143-159
[2]   ANALYSIS OF DEVELOPING EPENDYMAL AND CHOROIDAL SURFACES IN RAT BRAINS USING SCANNING ELECTRON-MICROSCOPY [J].
CHAMBERLAIN, JG .
DEVELOPMENTAL BIOLOGY, 1973, 31 (01) :22-30
[3]   SHEEP 3RD VENTRICLE - SCANNING ELECTRON-MICROSCOPY OF ESTROUS, ANESTROUS AND ESTROGEN-PROGESTERONE-TREATED ANESTROUS EWES [J].
COATES, PW ;
DAVIS, SL .
BIOLOGY OF REPRODUCTION, 1977, 17 (04) :567-573
[4]   SPECIALIZATIONS OF EPENDYMA IN 3RD VENTRICLE OF DEVELOPING HAMSTER [J].
HANNAH, RS ;
GEBER, W .
AMERICAN JOURNAL OF ANATOMY, 1977, 149 (04) :597-603
[5]  
JONES HC, 1980, Z KINDERCHIR, V31, P309
[6]   SCANNING ELECTRON-MICROSCOPY OF THIRD VENTRICLE OF SHEEP [J].
KOZLOWSKI, GP ;
SCOTT, DE ;
DUDLEY, GK .
ZEITSCHRIFT FUR ZELLFORSCHUNG UND MIKROSKOPISCHE ANATOMIE, 1973, 136 (02) :169-176
[7]   SCANNING ELECTRON-MICROSCOPY OF LATERAL VENTRICLES OF SHEEP .1. [J].
KOZLOWSKI, GP ;
SCOTT, DE ;
MURPHY, JA .
AMERICAN JOURNAL OF ANATOMY, 1972, 135 (04) :561-+
[8]   MODIFIED TANNIN-OSMIUM CONDUCTIVE STAINING METHOD FOR NON-COATED SCANNING ELECTRON-MICROSCOPE SPECIMENS - ITS APPLICATION TO MICRODISSECTION SCANNING ELECTRON-MICROSCOPY OF SPLEEN [J].
MURAKAMI, T ;
YAMAMOTO, K ;
ITOSHIMA, T ;
IRINO, S .
ARCHIVUM HISTOLOGICUM JAPONICUM, 1977, 40 (01) :35-40
[9]   DEVELOPMENT OF THE CHOROID-PLEXUS ANLAGE AND SUPRAEPENDYMAL STRUCTURES IN THE 4TH VENTRICULAR ROOF PLATE OF HUMAN-EMBRYOS - SCANNING ELECTRON-MICROSCOPIC OBSERVATIONS [J].
OTANI, H ;
TANAKA, O .
AMERICAN JOURNAL OF ANATOMY, 1988, 181 (01) :53-66
[10]  
RAJTOVA V, 1990, J HIRNFORSCH, V31, P415