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Definition of Subzonal
1. a. Situated under a zone, or zona; -- applied to a membrane between the zona radiata and the umbilical vesicle in the mammal embryo.
Definition of Subzonal
1. Adjective. (anatomy) Situated under a zone, or zona; applied to a membrane between the zona radiata and the umbilical vesicle in the mammal embryo. ¹
¹ Source: wiktionary.com
Definition of Subzonal
1. pertaining to a subdivision of a zone [adj]
Lexicographical Neighbors of Subzonal
Literary usage of Subzonal
Below you will find example usage of this term as found in modern and/or classical literature:
1. The Elements of Embryology by Michael Foster, Francis Maitland Balfour (1883)
"It soon becomes a flat sac, projecting into the now largely developed space
between the subzonal membrane and the amnion, on the dorsal side of the embryo ..."
2. The Elements of Embryology by Michael Foster, Francis Maitland Balfour (1883)
"It soon becomes a flat sac, projecting into the now largely developed space
between the subzonal membrane and the amnion, on the dorsal side of the embryo ..."
3. A Laboratory Text-book of Embryology by Charles Sedgwick Minot (1910)
"The outer layer is in contact, or nearly in contact, with the zona radiata, and
may, therefore, be termed the subzonal layer (Fig. u, 5.2). ..."
4. A Treatise on Comparative Embryology by Francis Maitland Balfour (1881)
"Before the fusion of the allantois with the subzonal membrane, ... When the
allantois adheres to the subzonal membrane vascular processes grow out from it ..."
5. A Treatise on Comparative Embryology by Francis Maitland Balfour (1885)
"vascular yolk-sack fusing with the remainder of the subzonal membrane. In all
the existing forms with this arrangement of foetal membranes, the placenta is ..."
6. Outlines of zoology by John Arthur Thomson (1895)
"The folds of amnion are continued, as the diagram shows, ventrally as well as
dorsally, so that the subzonal membrane surrounds the embryo beneath the ..."
7. Journal of Anatomy and Physiology by Anatomical Society of Great Britain and Ireland (1883)
"That the yolk-sac at an early stage spreads over the inner surface of the subzonal
membrane, forming a disc-like chorion, which in the kangaroo and opossum ..."
8. College zoology by Robert William Hegner (1918)
"... d, embryo with villous subzonal membrane, and with mouth and anus; e, embryo
in which vascular layer of allantois is applied to subzonal membrane, ..."
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