CĂRȚI ÎN ENGLEZĂ ÎN LEGĂTURĂ CU «ZOOGONIDIUM»
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1
a treatsie on the british freshwater alge
septum appears and cuts off the swollen end as a zoogonidangium. The contents
of this gonidangium, which are of a rich green colour, gradually become rounded
off, forming an oval zoogonidium of large size. The whole surface of the ...
During the development of the zoogonidium the growing apex of a filament
assumes a club-shaped form and becomes of an intense green colour, after
which a transverse septum appears and the swollen end is cut off as a
zoogonidangium.
Published figures generally show the cilia about £ to J as long as the body of the
zoogonidium. The length of the cilia of the zoogonidia of O. cryptoporum (Pig 1, G
), however, were observed to be f to £ of the body-length, as the measurements ...
Sir Arthur George Tansley, 1920
4
Introduction to Elementary Practical Biology
Treat a moving zoogonidium with two per cent, salt solution to plasmolyze it. Do
you find a cell- wall apparent ? Treat in like manner a zoogonidium which has
come to rest, and compare it with the first. Try to find filaments in which the
formation ...
Charles Wright Dodge, 1894
5
Algae: Volume 1, Myxophyceae, Peridinieae, Bacillarieae, ...
Division I. ISOKONT^E This group of the Chlorophycese is on the whole a very
natural one and is based largely upon the constancy of the zoogonidium-
characters. The name was first given by Blackman & Tansley ('02) to the large
residue of ...
6
A students' text-book of botany
A good illustration of this is afforded by the development of the zoogonidium of
CEdogonium . The cytoplasmic contents of an ordinary cell of the filament
become more abundant ; the kino- plasm (see p. 95), with the nucleus and ceutro
- ...
Sydney Howard Vines, 1894
7
Quarterly Journal of Microscopical Science
Gemma, conidium, gonidium, endo- gonidium, zoogonidium, macrozoospore,
acrospore, ectospore, swarmspore, pycnidium, perithecium, apothecium, theca,
receptacle. Male sexual organs. — Spermatozoid, spermatium, spermo- gonium,
...
8
Laboratory notes and directions in general plant morphology: ...
Development of thallus from, zoogonidium or zoospore. The zoogonidium is
ovoid in form and furnished with two long cilia. Upon first coming to rest it
presents a rounded appearance. Shortly afterwards it increases in size
transversely and its ...
Josephine Elizabeth Tilden, 1906
9
Text-book of Botany: Morphological and Physiological
In other species, as V. sessilis, sericea, and piloboloides, the contents of a
branch become separated and contract, and force themselves out as a
zoogonidium through a crevice at the extremity. The motion of the zoogonidia
lasts, in V. sericea, ...
Julius Sachs, Sydney Howard Vines, 1882
10
The Botanical Atlas: Cryptogams
The protoplasmic contents of each cell form a single rounded mass—the
Zoogonidium, which escapes by a fissure in the wall, and revolves and
progresses by means of the band of cilia. Fig. 9. Germination of Zoogonidium. .
The zoogonidium ...
