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1
Proceedings of the Cambridge Philosophical Society: ...
"By repeated division of the first or oosperm nucleus" is the suggested answer to
this question ; but it is a curious and very suggestive fact that these primary
divisions of the oosperm nucleus have never been observed, and further that the
...
"By repeated division of the first or oosperm nucleus " is the suggested answer to
this question ; but it is a curious and very suggestive fact that these primary
divisions of the oosperm nucleus have never been observed, and further that the
...
Cambridge Philosophical Society,
1895
3
International Record of Medicine and General Practice Clinics
(3) Cases of long standing goitre or other thyreoidal disease, in which symptoms
of Graves's disease supervene. Such cases belong to the domain of surgery. 181
I SPRUCE STREET. THE EARLY RELATIONSHIP 'OF THE OOSPERM TO THE ...
4
Laboratory notes and directions in general plant morphology: ...
This follows soon, and also a third division, and the appearance of the oosperm
is as follows. The nucleus lies near the wall while a large vacuole occupies the
central portion. Right chloroplastids. each with its pyramid, are present, four ...
Josephine Elizabeth Tilden,
1906
5
Introduction to the study of embryology
An oosperm in which the yolk is supposed to have been lost is shown in fig. 45, a
; and, owing to its absence, the yolk blastoderm or non-embryonic epiblast has
precociously completed the blastodermic vesicle, and the blastoderm has sunk ...
6
A Text-book of General Botany
The growth of the oosperm is various, though in the main suggestive of
Selaginella. By free cell formation the oosperm is partially filled with cells (the
second illustration of this growth, common in animal life). This growth is well
illustrated in the ...
Carlton Clarence Curtis,
1897
7
A text-book of the principles of animal histology
A, second cleavage division of the oosperm of Ascaris, showing the first
differentiation by loss of chromatin in the somatic cell. B, resulting four cells,
showing the lost chro- matin, ch., and the smaller resulting nuclei in the daughter
somatic cells ...
Ulric Dahlgren, William Allison Kepner,
1921
8
Quarterly Journal of Microscopical Science
Tochter kernplatten stets so fort weit aus einander riicken." Henking (21), too, was
unable to find the first division of the oosperm nucleus of Musca. Now, in Musca,
and in many other insects in which the early divisions of the oosperm nucleus ...
9
Cyclopaedia of the diseases of children
Fivr-: DIAGRAMMATIC FIGURES ILLUSTRATING rm: FORMATION 01-' 1'11!-1
Fotrni. MEMBRANES or A MAMMAL (from Haddon, after Kolliker). In 1, 2, 3, 4, the
embryo is represented in longitudinal section. 1. Oosperm with zona peilucida, ...
10
An Introduction to the Study of Botany: With a Special ...
This may reproduce by means of gemmae, but its most important method of
reproduction is by means of male and female gametes, which conjugate and form
an oosperm. The oosperm, still remaining attached to the parent plant, develops
into ...
Arthur Dendy, Arthur Henry Shakespeare Lucas,
1906