Record Details
Field | Value |
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Title | The patterns of development and distribution of collagen, reticulin, and elastin in the placentae of the golden hamster (Mesocricetus auratus Waterhouse) |
Names |
Ritschard, Ronald Laird
(creator) Hillemann, Howard H. (advisor) |
Date Issued | 1964-05 (iso8601) |
Note | Graduation date: 1964 |
Abstract | This study deals with the patterns of development and distribution of connective tissue fibers in the placentae and adnexa of the golden hamster (Mesocricetus auratus Waterhouse). The placentae and adnexa representing all days of gestation from six to term were stained for the presence of collagen, reticulin, and elastin. Additionally, both the non-pregnant and post-partum uteri were included for comparison. Although collagen becomes very widely distributed in the membranes of the gestation sac by mid-term, there is a progressive diminution of this element during later gestation but restricted to the endometrium. The distribution of reticulin follows that of collagen in large measure, but not always. In addition, a loss of reticulin occurs in only the labyrinth, during later gestation. Elastin is limited to the myometrium, to the walls of all umbilical cord vessels, and to the internal elastic membrane of medium and large arteries. Mechanisms involved in the deposition and maintenance of collagen in the uterus are reviewed. The relationship between reticulin and collagen as recorded in the literature, and also as observed in the developing hamster placenta, is discussed. A mention of both oxytalan and cellulose fibers is made in respect to their inter-relationships with the other connective tissue fibers. |
Genre | Thesis/Dissertation |
Topic | Connective tissues |
Identifier | http://hdl.handle.net/1957/48825 |