Abstract：
:Poreless sensilla (np-sensilla) on the antennae of 18 species from 9 insect orders, and on the maxillary palps of Periplaneta americana were investigated using chemo- and cryofixation. The number of np-sensilla is low. Common features of these sensilla are: (a) the presence of a peg, (b) the lack of pores that lead to the dendritic outer segments (DOS), (c) the lack of socket structures, which would indicate flexibility, and (d) the presence of three types of sensory cells. The type-1 sensory cells are characterized by large DOS, which proceed into the peg where they fit tightly to its wall. As a rule, two DOS are present, being arranged in bilateral symmetry. Within them, in two species, a pattern of microtubules similar to that of a tubular body was observed. In the type-2 sensory cells, the DOS end beneath the peg and mostly display membrane invaginations. In the type-3 sensory cell, the DOS is an unmodified 9 X 2 + 0 cilium. Electrophysiological investigation of the np-sensillum in the maxillary palp of Periplaneta showed the presence of a hygro- and/or thermoreceptor. In a comparison of np-sensilla with an inflexible socket in different insect species, it is shown that these sensilla represent one fundamental sensillum type and that their structural features can be regarded as adaptations to hygro- and thermoreception.
journal_name
Cell Tissue Resjournal_title
Cell and tissue researchauthors
Altner H,Schaller-Selzer L,Stetter H,Wohlrab Idoi
10.1007/BF00213769subject
Has Abstractpub_date
1983-01-01 00:00:00pages
279-307issue
2eissn
0302-766Xissn
1432-0878journal_volume
234pub_type
杂志文章abstract：:The neural circuit that controls the hearts in the leech comprises an ensemble of synaptically interconnected cardiac motor neurons (HE cells) and cardiac interneurons (HN cells). Both the HE cells and the HN cells constitute segmentally homologous sets. We have investigated the structure of these neurons by iontophor...
journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00235152
更新日期：1981-01-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
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journal_title：Cell and tissue research
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更新日期：1985-01-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
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更新日期：1987-07-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
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更新日期：1982-01-01 00:00:00
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journal_title：Cell and tissue research
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journal_title：Cell and tissue research
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doi：10.1007/BF00217166
更新日期：1985-01-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
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更新日期：1998-04-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
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更新日期：2016-12-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章,评审
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更新日期：2006-09-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
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更新日期：2020-07-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-014-2054-y
更新日期：2015-03-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s004410000266
更新日期：2000-10-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00218290
更新日期：1982-01-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-003-0755-8
更新日期：2003-08-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00319382
更新日期：1992-03-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00213735
更新日期：1984-01-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00219899
更新日期：1977-11-07 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s00441-006-0253-x
更新日期：2006-12-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s004410050583
更新日期：1996-05-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00217304
更新日期：1984-01-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章,评审
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更新日期：2014-03-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
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更新日期：1983-01-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章,评审
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更新日期：2019-09-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s004410050970
更新日期：1997-12-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s004410051370
更新日期：1999-09-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章,评审
doi：10.1007/s00441-020-03396-2
更新日期：2021-01-29 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00218360
更新日期：1982-01-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/BF00221652
更新日期：1989-07-01 00:00:00
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journal_title：Cell and tissue research
pub_type： 杂志文章
doi：10.1007/s004410050513
更新日期：1996-01-01 00:00:00
