10 ENGLISH BOOKS RELATING TO «PERISARCAL»
Discover the use of
perisarcal in the following bibliographical selection. Books relating to
perisarcal and brief extracts from same to provide context of its use in English literature.
1
Intertidal Invertebrates of the Central California Coast
The term hydranth is used to designate the terminal part of a nutritive (vegetative)
zoiiid but does not include any associated perisarcal structures such as the
hydrotheca. The hydranth is therefore entirely coenosarcal, consisting of the body
, ...
Laboratory and Field Text Invertebrate Zoology, 1954
2
Intertidal Invertebrates of the Central California Coast
The term hydranth is used to designate the terminal part of a nutritive (vegetative)
zooid but does not include any associated perisarcal structures such as the
hydrotheca. The hydranth is therefore entirely coenosarcal, consisting of the body
, ...
Sol Felty Light, Ralph Ingram Smith, 1954
3
Modern Text Book of Zoology: Invertebrates
At the base of each zooid, perisarc bears annular constrictions, called perisarcal
annuli. Usually a single annulus is also present on the main stem, just below the
base of each lateral branch. Perisarc provides rigidity to the colony, but annular ...
4
Life Sciences Contributions
Hydrothecae cylindrical to campanulate, borne on relatively short pedicels, each
demarcated from pedicel basally by a distinct and relatively thick diaphragm;
rounded, annular perisarcal thickening absent. Nematothecae absent.
Gonophores ...
Rolf Ludvigsen, Ronald Pearson Tripp, 1990
5
Bulletin of the British Museum (Natural History).: Zoology
These in turn depend on the way growth takes place as indicated by Berrill (1952
) in the following terms : " Growth occurs rhythmically, or in pulses, which when in
slow succession becomes recorded by the polymerizing perisarcal chitin as ...
6
Annals of the South African Museum
2. Fixation of hydranth by pedal discs. Medusa tentacles with basal part adnate to
exumbrella ostroumovia, p. 466 - Hydranth without pedal discs, loosely attached
by thin perisarcal covering of hydro- rhiza. Medusa tentacles with globular ...
7
Protozoa through Ctenophora
... branch. annulations: rings on stem or pedicel perisarc which allow flexibility.
aperture: opening of the perisarc through which a polyp emerges (may or may
not be covered). athecate: without a perisarcal covering for the retracted polyp.
bell: ...
Dennis M. Devaney, Lucius G. Eldredge, 1977
8
Some Hydroids (Cnidaria: Hydrozoa) from the Mid-Atlantic ...
... of hydrocaulus, each with a prominent dorsal mamelon, two nematothecae (or
perisarcal pores indicating their location), one axillary and one distal to mamelon,
and a distal internal perisarcal ring. Perisarc fairly thick basally, thinner distally.
Dale R. Calder, Willem Vervoort, 1998
9
Reef and shore fauna of Hawaii
... perisarc through which a polyp emerges (may or may not be covered),
athecate: without a perisarcal covering for the retracted polyp, bell: main body of
a medusa. calyptoblastea: suborder of thecate hydroids (Leptomedusae).
campanulate: ...
Dennis M. Devaney, Lucius G. Eldredge, Charles Howard Edmondson, 1977
10
An Introduction to Hydrozoa
3. gonophores producing free medusae Turritopsis - gonophores as fixed
sporosacs Corydendrium 4. hydranth, or at least its pedicel or perisarcal tube,
surrounded by perisarc 5 - hydranth naked, perisarc limited to hydrorhiza 8 5.
hydranth ...
