Cell structure: an introduction to biomedical electron microscopy
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Edinburgh [u.a.]
Churchill Livingstone
1982
|
| Edition: | 3. ed. |
| Subjects: | |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | 2. Aufl. u.d.T.: Toner, Peter G.: Cell structure |
| Physical Description: | XIII, 388 S. zahlr. Ill. |
| ISBN: | 0443023247 |
Staff View
MARC
| LEADER | 00000nam a2200000 c 4500 | ||
|---|---|---|---|
| 001 | BV001053210 | ||
| 003 | DE-604 | ||
| 005 | 20130924 | ||
| 007 | t | ||
| 008 | 890315s1982 a||| |||| 00||| eng d | ||
| 020 | |a 0443023247 |9 0-443-02324-7 | ||
| 035 | |a (OCoLC)615434332 | ||
| 035 | |a (DE-599)BVBBV001053210 | ||
| 040 | |a DE-604 |b ger |e rakwb | ||
| 041 | 0 | |a eng | |
| 049 | |a DE-19 | ||
| 100 | 1 | |a Carr, Katharine E. |e Verfasser |4 aut | |
| 245 | 1 | 0 | |a Cell structure |b an introduction to biomedical electron microscopy |c K. E. Carr ; P. G. Toner |
| 250 | |a 3. ed. | ||
| 264 | 1 | |a Edinburgh [u.a.] |b Churchill Livingstone |c 1982 | |
| 300 | |a XIII, 388 S. |b zahlr. Ill. | ||
| 336 | |b txt |2 rdacontent | ||
| 337 | |b n |2 rdamedia | ||
| 338 | |b nc |2 rdacarrier | ||
| 500 | |a 2. Aufl. u.d.T.: Toner, Peter G.: Cell structure | ||
| 650 | 0 | 7 | |a Zelle |0 (DE-588)4067537-3 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Atlas |0 (DE-588)4143303-8 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Cytologie |0 (DE-588)4070177-3 |2 gnd |9 rswk-swf |
| 650 | 0 | 7 | |a Ultrastruktur |0 (DE-588)4061568-6 |2 gnd |9 rswk-swf |
| 689 | 0 | 0 | |a Zelle |0 (DE-588)4067537-3 |D s |
| 689 | 0 | 1 | |a Ultrastruktur |0 (DE-588)4061568-6 |D s |
| 689 | 0 | |8 1\p |5 DE-604 | |
| 689 | 1 | 0 | |a Cytologie |0 (DE-588)4070177-3 |D s |
| 689 | 1 | 1 | |a Atlas |0 (DE-588)4143303-8 |D s |
| 689 | 1 | |8 2\p |5 DE-604 | |
| 700 | 1 | |a Toner, Peter G. |e Verfasser |4 aut | |
| 856 | 4 | 2 | |m SWB Datenaustausch |q application/pdf |u http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=000636811&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |3 Inhaltsverzeichnis |
| 999 | |a oai:aleph.bib-bvb.de:BVB01-000636811 | ||
| 883 | 1 | |8 1\p |a cgwrk |d 20201028 |q DE-101 |u https://d-nb.info/provenance/plan#cgwrk | |
| 883 | 1 | |8 2\p |a cgwrk |d 20201028 |q DE-101 |u https://d-nb.info/provenance/plan#cgwrk | |
Record in the Search Index
| _version_ | 1804115471229779968 |
|---|---|
| adam_text | IMAGE 1
CONTENTS
SECTION I: THE CELL AND ITS COMPONENTS 1
1. THE STUDY OF BIOLOGICAL STRUCTURE 3
1.1 MORPHOLOGICAL SCIENCE 3
1.2 THE TECHNIQUE OF ELECTRON MICROSCOPE 3
1.3 THE IMPACT OF ELECTRON MICROSCOPY 4
2. BIOLOGICAL MEMBRANES AND THE CELL SURFACE 6
2.1 THE FINE STRUCTURE OF MEMBRANES 6
2.1.1 THE MEMBRANE CONCEPT 6
2.1.2 ELECTRON MICROSCOPY OF MEMBRANES 6
2.1.3 MEMBRANE MODELS 7
2.1.4 THE SIGNIFICANCE OF MEMBRANES 8
2.2 SPECIALISATIONS OF THE CELL SURFACE 9
2.2.1 CONTOUR AND FUNCTION 9
2.2.2 ENDOCYTOSIS AND MEMBRANE INTERCHANGE 10
2.2.3 CELL CONTACT AND ADHESION 12
2.2.4 THE EPITHELIAL JUNCTIONAL COMPLEX 13
2.2.5 DESMOSOMES AND GAP JUNCTIONS 14
2.2.6 THE CELL COAT 15
2.2.7 BASEMENT MEMBRANE 16
2.2.8 BASAL AND EXTERNAL LAMINAE 17
3. STRUCTURE AND FUNCTION OF THE NUCLEAR COMPONENTS 18
3.1 NUCLEUS 18
3.1.1 NUCLEAR MORPHOLOGY 18
3.1.2 NUCLEAR FUNCTION 21
3.2 NUCLEOLUS 23
3.2.1 NUCLEOLAR MORPHOLOGY 23
3.2.2 NUCLEOLAR FUNCTION 23
3.3 NUCLEAR ENVELOPE 23
3.3.1 NUCLEAR ENVELOPE MORPHOLOGY 23
3.3.2 NUCLEAR ENVELOPE FUNCTION 24
IMAGE 2
CELL STRUCTURE
4. STRUCTURE AND FUNCTION OF THE CYTOPLASMIC COMPONENTS
4.1 RIBOSOMES 4.1.1 RIBOSOME MORPHOLOGY 4.1.2 RIBOSOME FUNCTION 4.2
ENDOPLASMIC RETICULUM
4.2.1 ENDOPLASMIC RETICULUM MORPHOLOGY 4.2.2 GRANULAR ENDOPLASMIC
RETICULUM 4.2.3 SMOOTH ENDOPLASMIC RETICULUM 4.2.4 ENDOPLASMIC RETICULUM
FUNCTION 4.3 ANNULATE LAMELLAE
4.3.1 ANNULATE LAMELLAR MORPHOLOGY 4.3.2 ANNULATE LAMELLAR FUNCTION 4.4
GOLGI APPARATUS 4.4.1 GOLGI APPARATUS MORPHOLOGY
4.4.2 GOLGI APPARATUS FUNCTION 4.5 MITOCHONDRIA 4.5.1 MITOCHONDRIAL
MORPHOLOGY
4.5.2 MITOCHONDRIAL FUNCTION 4.5.3 MITOCHONDRIAL ORIGINS 4.6 LYSOSOMES
4.6.1 LYSOSOME MORPHOLOGY
4.6.2 LYSOSOME FUNCTION 4.7 MICROBODIES 4.7.1 MICROBODY MORPHOLOGY 4.7.2
MICROBODY FUNCTION 4.8 CYTOPLASMIC FILAMENTS
4.8.1 ACTIN AND MYOSIN MORPHOLOGY 4.8.2 ACTIN AND MYOSIN FUNCTION 4.8.3
INTERMEDIATE FILAMENT MORPHOLOGY 4.8.4 INTERMEDIATE FILAMENT FUNCTION
4.9 MICROTUBULES
4.9.1 MICROTUBULE MORPHOLOGY 4.9.2 MICROTUBULE FUNCTION 4.10 CENTRIOLES
4.10.1 CENTRIOLE MORPHOLOGY
4.10.2 CENTRIOLE FUNCTION 4.11 CELLULAR METABOLITES
25
25 25 25 25
25 26 27 28
28 28 29 29 29
30 32 32 33
35 36 36 37
38 38 38 39 39 40 40 40 41 41 41 42 42 42 43
SECTION II: CELLS WITH SPECIALISED FUNCTIONS
5. SECRETION
5.1 SECRETION OF PROTEIN 5.1.1 ZYMOGENIC CELLS 5.1.2 PROTEIN SECRETION
BY OTHER CELLS 5.2 SECRETION AND TRANSPORT OF IONS
5.2.1 ACID SECRETION 5.2.2 ION TRANSPORTATION
45
47
48 48 51 51
51 53
IMAGE 3
CONTENTS XI
5.3 SECRETION IN ENDOCRINE GLANDS 53
5.3.1 THE APUD CELLS 53
5.3.2 OTHER ENDOCRINE GLANDS 55
5.4 SECRETION BY LIVER CELLS 55
6. ABSORPTION AND PERMEABILITY 57
6.1 ABSORPTION BY INTESTINAL EPITHELIUM 57
6.1.1 ENTEROCYTES 57
6.1.2 M CELLS 59
6.2 ABSORPTION BY GALL BLADDER MUCOSA 59
6.3 ABSORPTION BY RENAL TUBULES 60
6.4 PERMEABILITY IN VASCULAR ENDOTHELIUM 60
6.5 PERMEABILITY IN PULMONARY ALVEOLI 62
6.6 PERMEABILITY IN RENAL GLOMERULI 62
7. DEFENCE 65
7.1 THE PHAGOCYTES 65
7.1.1 PHAGOCYTOSIS 65
7.1.2 POLYMORPHONUCLEAR LEUCOCYTES 65
7.1.3 MACROPHAGES 67
7.2 THE IMMUNOCYTES 67
8. STORAGE AND PROTECTION 70
8.1 RED BLOOD CORPUSCLES 70
8.2 FAT CELLS 70
8.3 SQUAMOUS CELLS 71
8.4 MELANOCYTES 72
8.5 TRANSITIONAL EPITHELIAL CELLS 73
8.6 MESOTHELIAL CELLS 73
8.7 PLATELETS 74
9. MECHANICAL SUPPORT 75
9.1 FIBROUS TISSUE 75
9.2 CARTILAGE AND BONE 77
10. CONTRACTION AND MOTILITY 79
10.1 CONTRACTION 79
10.1.1 SKELETAL MUSCLE 80
10.1.2 VISCERAL MUSCLE 83
10.1.3 CARDIAC MUSCLE 85
10.2 MOTILITY 86
10.2.1 CILIA 86
10.2.2 FLAGELLA AND SPERMATOZOA 88
10.2.3 BACTERIAL FLAGELLA 89
IMAGE 4
XLL CELL STRUCTURE
11. COMMUNICATION 90
11.1 NERVOUS TISSUE 90
11.1.1 THE NEURONE 90
11.1.2 NERVE AXONS 92
11.1.3 THE SYNAPSE 93
11.1.4 NEUROGLIA 96
11.2 PHOTORECEPTORS 97
12. UNSOLVED PROBLEMS 99
12.1 TRANSMISSION MICROSCOPY 99
12.2 SCANNING MICROSCOPY 100
SECTION III: APPLICATIONS AND INSTRUMENTATION 101
13. THE ELECTRON MICROSCOPE IN THE STUDY OF DISEASE 103
13.1 ELECTRON MICROSCOPY IN THE CLINICAL LABORATORY 103
13.2 ELECTRON MICROSCOPY IN HISTOPATHOLOGY 104
13.2.1 TUMOUR DIAGNOSIS 104
13.2.2 ULTRASTRUCTURAL FEATURES OF OTHER DISEASES 106
13.2.3 LIMITATIONS OF ULTRASTRUCTURAL DIAGNOSIS 107
14. TECHNIQUES AND APPLICATIONS 108
14.1 LIGHT AND ELECTRON MICROSCOPY 108
14.2 BEAM-SPECIMEN INTERACTIONS 109
14.3 ELECTRON COLUMN SYSTEMS 110
14.3.1 THE CONVENTIONAL TRANSMISSION ELECTRON MICROSCOPE 110
14.3.2 THE SCANNING ELECTRON MICROSCOPE 112
14.3.3 THE SCANNING TRANSMISSION ELECTRON MICROSCOPE 113
14.3.4 THE HIGH VOLTAGE ELECTRON MICROSCOPE 114
14.4 ROUTINE SPECIMEN PREPARATION 115
14.4.1 SPECIAL REQUIREMENTS 115
14.4.2 FIXATION 115
14.4.3 EMBEDDING 116
14.4.4 SECTION CUTTING 116
14.4.5 CONTRAST ENHANCEMENT 118
14.4.6 SUPPORT FILMS 119
14.5 SPECIMEN PREPARATION FOR SURFACE SCANNING ELECTRON MICROSCOPY 119
14.6 SPECIAL TECHNIQUES FOR ELECTRON MICROSCOPY 120
14.6.1 NEGATIVE STAINING AND SHADOWING 120
14.6.2 REPLICATION, FREEZE FRACTURING AND FREEZE ETCHING 121
14.6.3 TRACER TECHNIQUES 121
14.6.4 AUTORADIOGRAPHY 122
14.6.5 CYTOCHEMISTRY 122
14.6.6 MICROANALYSIS 123
14.7 CONCLUSION 124
IMAGE 5
CONTENTS XLLL
15. CRITICAL EXAMINATION OF THE ELECTRON MICROGRAPH 125
15.1 READING AND INTERPRETING THE ELECTRON MICROGRAPH 125
15.1.1 IDENTIFICATION OF SPECIMEN AND TECHNIQUE 125
15.1.2 MAGNIFICATION AND RELATIVE SCALE 126
15.1.3 MAKING THE MOST OF THE MICROGRAPH 127
15.1.4 PRELIMINARY TISSUE IDENTIFICATION 127
15.1.5 TANGENTIAL SECTIONING EFFECTS 127
15.1.6 SPECIAL ASPECTS OF SURFACE SCANNING MICROGRAPHS 128
15.2 THE RECOGNITION OF ARTEFACT 128
15.2.1 DESIRABLE AND UNDESIRABLE ARTEFACTS 128
15.2.2 FIXATION AND PROCESSING ARTEFACTS 129
15.2.3 SECTIONING ARTEFACTS 130
15.2.4 ARTEFACTS IN TRANSMISSION MICROSCOPY 131
15.2.5 ARTEFACTS IN SCANNING MICROSCOPY 131
15.2.6 PHOTOGRAPHIC ARTEFACTS 131
SECTION IV: ELECTRON MICROGRAPHS 133
FURTHER READING 367
INDEX 379
|
| any_adam_object | 1 |
| author | Carr, Katharine E. Toner, Peter G. |
| author_facet | Carr, Katharine E. Toner, Peter G. |
| author_role | aut aut |
| author_sort | Carr, Katharine E. |
| author_variant | k e c ke kec p g t pg pgt |
| building | Verbundindex |
| bvnumber | BV001053210 |
| ctrlnum | (OCoLC)615434332 (DE-599)BVBBV001053210 |
| edition | 3. ed. |
| format | Book |
| fullrecord | <?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01796nam a2200445 c 4500</leader><controlfield tag="001">BV001053210</controlfield><controlfield tag="003">DE-604</controlfield><controlfield tag="005">20130924 </controlfield><controlfield tag="007">t</controlfield><controlfield tag="008">890315s1982 a||| |||| 00||| eng d</controlfield><datafield tag="020" ind1=" " ind2=" "><subfield code="a">0443023247</subfield><subfield code="9">0-443-02324-7</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)615434332</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)BVBBV001053210</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-604</subfield><subfield code="b">ger</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1="0" ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="049" ind1=" " ind2=" "><subfield code="a">DE-19</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Carr, Katharine E.</subfield><subfield code="e">Verfasser</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Cell structure</subfield><subfield code="b">an introduction to biomedical electron microscopy</subfield><subfield code="c">K. E. Carr ; P. G. Toner</subfield></datafield><datafield tag="250" ind1=" " ind2=" "><subfield code="a">3. ed.</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="a">Edinburgh [u.a.]</subfield><subfield code="b">Churchill Livingstone</subfield><subfield code="c">1982</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">XIII, 388 S.</subfield><subfield code="b">zahlr. Ill.</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="b">n</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="b">nc</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">2. Aufl. u.d.T.: Toner, Peter G.: Cell structure</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Zelle</subfield><subfield code="0">(DE-588)4067537-3</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Atlas</subfield><subfield code="0">(DE-588)4143303-8</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Cytologie</subfield><subfield code="0">(DE-588)4070177-3</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="650" ind1="0" ind2="7"><subfield code="a">Ultrastruktur</subfield><subfield code="0">(DE-588)4061568-6</subfield><subfield code="2">gnd</subfield><subfield code="9">rswk-swf</subfield></datafield><datafield tag="689" ind1="0" ind2="0"><subfield code="a">Zelle</subfield><subfield code="0">(DE-588)4067537-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2="1"><subfield code="a">Ultrastruktur</subfield><subfield code="0">(DE-588)4061568-6</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="0" ind2=" "><subfield code="8">1\p</subfield><subfield code="5">DE-604</subfield></datafield><datafield tag="689" ind1="1" ind2="0"><subfield code="a">Cytologie</subfield><subfield code="0">(DE-588)4070177-3</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2="1"><subfield code="a">Atlas</subfield><subfield code="0">(DE-588)4143303-8</subfield><subfield code="D">s</subfield></datafield><datafield tag="689" ind1="1" ind2=" "><subfield code="8">2\p</subfield><subfield code="5">DE-604</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Toner, Peter G.</subfield><subfield code="e">Verfasser</subfield><subfield code="4">aut</subfield></datafield><datafield tag="856" ind1="4" ind2="2"><subfield code="m">SWB Datenaustausch</subfield><subfield code="q">application/pdf</subfield><subfield code="u">http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=000636811&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA</subfield><subfield code="3">Inhaltsverzeichnis</subfield></datafield><datafield tag="999" ind1=" " ind2=" "><subfield code="a">oai:aleph.bib-bvb.de:BVB01-000636811</subfield></datafield><datafield tag="883" ind1="1" ind2=" "><subfield code="8">1\p</subfield><subfield code="a">cgwrk</subfield><subfield code="d">20201028</subfield><subfield code="q">DE-101</subfield><subfield code="u">https://d-nb.info/provenance/plan#cgwrk</subfield></datafield><datafield tag="883" ind1="1" ind2=" "><subfield code="8">2\p</subfield><subfield code="a">cgwrk</subfield><subfield code="d">20201028</subfield><subfield code="q">DE-101</subfield><subfield code="u">https://d-nb.info/provenance/plan#cgwrk</subfield></datafield></record></collection> |
| id | DE-604.BV001053210 |
| illustrated | Illustrated |
| indexdate | 2024-07-09T15:23:08Z |
| institution | BVB |
| isbn | 0443023247 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-000636811 |
| oclc_num | 615434332 |
| open_access_boolean | |
| owner | DE-19 DE-BY-UBM |
| owner_facet | DE-19 DE-BY-UBM |
| physical | XIII, 388 S. zahlr. Ill. |
| publishDate | 1982 |
| publishDateSearch | 1982 |
| publishDateSort | 1982 |
| publisher | Churchill Livingstone |
| record_format | marc |
| spelling | Carr, Katharine E. Verfasser aut Cell structure an introduction to biomedical electron microscopy K. E. Carr ; P. G. Toner 3. ed. Edinburgh [u.a.] Churchill Livingstone 1982 XIII, 388 S. zahlr. Ill. txt rdacontent n rdamedia nc rdacarrier 2. Aufl. u.d.T.: Toner, Peter G.: Cell structure Zelle (DE-588)4067537-3 gnd rswk-swf Atlas (DE-588)4143303-8 gnd rswk-swf Cytologie (DE-588)4070177-3 gnd rswk-swf Ultrastruktur (DE-588)4061568-6 gnd rswk-swf Zelle (DE-588)4067537-3 s Ultrastruktur (DE-588)4061568-6 s 1\p DE-604 Cytologie (DE-588)4070177-3 s Atlas (DE-588)4143303-8 s 2\p DE-604 Toner, Peter G. Verfasser aut SWB Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=000636811&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis 1\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk 2\p cgwrk 20201028 DE-101 https://d-nb.info/provenance/plan#cgwrk |
| spellingShingle | Carr, Katharine E. Toner, Peter G. Cell structure an introduction to biomedical electron microscopy Zelle (DE-588)4067537-3 gnd Atlas (DE-588)4143303-8 gnd Cytologie (DE-588)4070177-3 gnd Ultrastruktur (DE-588)4061568-6 gnd |
| subject_GND | (DE-588)4067537-3 (DE-588)4143303-8 (DE-588)4070177-3 (DE-588)4061568-6 |
| title | Cell structure an introduction to biomedical electron microscopy |
| title_auth | Cell structure an introduction to biomedical electron microscopy |
| title_exact_search | Cell structure an introduction to biomedical electron microscopy |
| title_full | Cell structure an introduction to biomedical electron microscopy K. E. Carr ; P. G. Toner |
| title_fullStr | Cell structure an introduction to biomedical electron microscopy K. E. Carr ; P. G. Toner |
| title_full_unstemmed | Cell structure an introduction to biomedical electron microscopy K. E. Carr ; P. G. Toner |
| title_short | Cell structure |
| title_sort | cell structure an introduction to biomedical electron microscopy |
| title_sub | an introduction to biomedical electron microscopy |
| topic | Zelle (DE-588)4067537-3 gnd Atlas (DE-588)4143303-8 gnd Cytologie (DE-588)4070177-3 gnd Ultrastruktur (DE-588)4061568-6 gnd |
| topic_facet | Zelle Atlas Cytologie Ultrastruktur |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=000636811&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| work_keys_str_mv | AT carrkatharinee cellstructureanintroductiontobiomedicalelectronmicroscopy AT tonerpeterg cellstructureanintroductiontobiomedicalelectronmicroscopy |