ETYMOLOGY OF THE WORD PROTHALLUS
From New Latin, from pro- before + Greek thallus a young shoot.
10 ENGLISH BOOKS RELATING TO «PROTHALLUS»
Discover the use of
prothallus in the following bibliographical selection. Books relating to
prothallus and brief extracts from same to provide context of its use in English literature.
1
Biology: A Functional Approach. Students' Manual
In its structure the prothallus is on about the same level as a simple multicellular
alga - very different from the much more elaborate sporophyte. B Examine a
prepared whole mount and/or horizontal section of a prothallus. Observe
anthcridiu ...
M. B. V. Roberts, T. J. King,
1987
2
Competition Science Vision
Cap cell Antherozoids Fig. :~Dryoptori9— Antheridium and antherozoids (II)
Archegonia — The archegonia are produced in the thickened portion of the
prothallus, just behind the apical notch. Mature archegonium is a flask-shaped
structure, ...
Vols. 1-4 include section called Record of current literature.
Isaac Bayley Balfour, Roland Thaxter, Vernon Herbert Blackman,
1913
4
Pamphlets on Biology: Kofoid collection
271—73), showing the two equally developed cylindrical branches inclined to
one another at an acute angle, the point of the angle being the first-formed part of
the prothallus. The usual fungal zones extend up the outside of the two branches,
...
5
University Botany I : (Algae, Fungi, Bryophyta And Pteridophyta)
The cells of filament divide irregularly to form irregular cushion like prothallus.
Large number of rhizoids are borne on the lower surface of prothallus. Several
lobe initials appear on the upper surface of prothallus. They divide and give rise
to ...
Regeneration Experiments on Prothalli of Ferns A fern prothallus ( =
gametophyte) is a haploid thallus of relatively simple organisation. It develops via
a protonemal stage from a spore (see Fig. 19.5). We may ask whether the
assimilatory ...
Hans Mohr, Peter Schopfer,
1995
7
Algae, Fungi, Lichens, Microbiology, Plant Pathology, ...
Exercise 8 Object : Study of structure of prothallus. Work procedure Mount young
prothallus, stain in fast green, mount in glycerine and study. Comments 1. It is
formed after the germination of a spore and is thus a gametophytic structure. 2.
Ashok M. Bendre, Ashok Kumar,
2010
8
Introductory Botany: Plants, People, and the Environment, ...
Meiosis Fertilization Underside of enlarged mature gametophyte (prothallus)
Fern (mature sporophyte) HAPLOID (n) GAMETOPHYTE GENERATION DIPLOID
(2n) SPOROPHYTE GENERATION Frond Roots Rhizome FIGURE 23-5 The fern
...
9
Competition Science Vision
Cap cell Fig. : Dryopterls— Antheridium and antherozoids (ii) Archegonia — The
archegonia are produced in the thickened portion of the prothallus, just behind
the apical notch. Mature archegonium is a flask-shaped structure, lower swollen ...
10
Botany For Degree Pteridophyta
The young prothallus is cordate but asymmetrical with one wing larger than the
other or in extreme cases only one wing is developed. In some cases the
marginal meristem becomes apical by unilateral growth of both the wings, thus
making ...
3 NEWS ITEMS WHICH INCLUDE THE TERM «PROTHALLUS»
Find out what the national and international press are talking about and how the term
prothallus is used in the context of the following news items.
Ancient ferns offer elegant texture, color
Dust-like spores must land in a moist environment where they can grow into a vaguely heart-shaped plantlet known as a prothallus or gametophyte. This tiny ... «Columbia Daily Tribune, May 15»
Calcium And Reproduction Go Together In Flowering Plants
In ferns, there is alternation of generations between the big plant that we see, the spermatophyte, and a tiny green prothallus that is usually overlooked, the ... «Science 2.0, Aug 14»
Horsetails And The Hidden Marriage
If they land in a damp place, they may germinate to produce a tiny green gametophyte called a prothallus, a few millimetres across and only a few cells thick. «Science 2.0, May 11»