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#1Polytene chromosome - Wikipedia
Polytene chromosomes are large chromosomes which have thousands of DNA strands. They provide a high level of function in certain tissues such as salivary glands ...
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#2Polytene Chromosome - an overview | ScienceDirect Topics
Polytene chromosomes are a strongly amplified form of interphase chromosomes, found, for example, in salivary gland cells of Drosophila and Chironomus. They ...
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#3Polytene Chromosomes - Zhimulev - Wiley Online Library
Polytene chromosomes are specific interphase chromosomes consisting of thousands of deoxyribonucleic acid (DNA) strands.
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#4What are polytene chromosomes and how are they formed?
Polytene chromosomes are large chromosomes found in the salivary glands of insects. Balbiani discovered them in 1881. They're also known as salivary gland ...
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#5Polytene chromosome - Unacademy
Polytene chromosomes are a form of eukaryotic chromosomes where long fibres run in parallel from either the centromere or one of the ends of the chromosomes ...
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#6Analysis of Mitotic and Polytene Chromosomes and ...
Polytene Chromosome Maps in Bactrocera cucurbitae. (Diptera: Tephritidae). A. ZACHAROPOULOU,1,2,3 W.A.A. SAYED,1,4 A. A. AUGUSTINOS,2 F. YESMIN,1,5.
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#7Polytene Chromosomes - SlideShare
Polytene chromosomes arise by repeated cycle of DNA duplication without nuclear division (uninterrupted by separation of the daughter ...
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#8Characteristic folding pattern of polytene chromosomes in ...
Each polytene chromosome arm folds up in a characteristic way, contacts the nuclear surface at specific sites and is topologically isolated from all other ...
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#9Polytene Chromosomes, Banding Patterns and Puffs - JoVE
Polytene chromosomes are giant interphase chromosomes with several DNA strands placed side by side. They were discovered in the year 1881 by ...
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#10Plant polytene chromosomes - SciELO
Polytene chromosomes are structures found in highly specialized tissues in some animal and plant species, which are amplified through successive cycles of ...
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#11Drosophila melanogaster: Polytene Chromosome | | UPV
Título: Drosophila melanogaster: Polytene ChromosomeDescripción: This ... the main characteristics of polytene chromosomes of Drosophil...
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#12Structural Analysis of Polytene Chromosome Bands and ...
Beermann (1972) estimated that at least 95% of the DNA of polytene chromosomes of Drosophila is located in bands and only less than 5% in the interband ...
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#13Polytene Chromosomes
Polytene chromosomes are produced by endoreplication, in which chromosomal DNA undergoes mitotic replication, but the strands do not separate.
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#14Regulatory Sequences for the Notch Gene Are in the Interband
Our data are most consistent with condensation of the chromosomal. DNA into 30 nm fibers in this polytene band. Introduction interphase chromosome structure has ...
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#15Polytene chromosomes, endoreduplication and puffing
In Drosophila the degree of polyteny is estimated to be approximately 1024 in salivary gland chromosomes, i.e., about 512 in each homolog. Polyploid chromosomes ...
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#16Common features of polytene chromosomes ... - ResearchGate
b A polytene chromosome is found in any cell where the products of more than one successive S-phase without an intervening cell division are held in parallel.
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#17QuickGO::Term GO:0005701
polytene chromosome chromocenter. Cellular Component ... A region at which the centric regions of polytene chromosomes are joined together.
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#18Draw the structure of the polytene chromosome and label its ...
- Polytene chromosomes are large chromosomes that contain thousands of DNA strands due to repeated DNA replication without cell division. - They are found at ...
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#19Analysis of Mitotic and Polytene Chromosomes and ...
Analysis of Mitotic and Polytene Chromosomes and Photographic Polytene Chromosome Maps in Bactrocera cucurbitae (Diptera: Tephritidae). A Zacharopoulou,.
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#20Sciara Polytene Chromosome Maps - Brown University
The beautiful and gigantic polytene chromosomes (X, II, III, and IV) from Sciara salivary glands have been mapped (Gabrusewycz-Garcia 1964). Sciara polytene ...
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#21Polytene chromosome was first observed by - Toppr
Stevens and Wilson · Heitz and Bauer · Balbiani · Khorana. · The salivary gland chromosome is also known as polytene chromosomes.
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#22Polytene chromosome Definition and Examples - Biology Online
(Science: cell biology) giant chromosomes produced by the successive replication of homologous pairs of chromosomes, joined together (synapsed) ...
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#23Polytene chromosomes - The School of Biomedical Sciences ...
Polytene chromosomes, also known as giant chromosomes, are unusual chromosomes. They were discovered to be located in the nuclei of cells in ...
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#24Polytene chromosome relationships of five species of the ...
Photographic maps and rearrangements of each salivary gland polytene chromosome arm of Anopheles nemophilous (species F) and of An. dirus species A, B, C, ...
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#25Concerning the Origin of the Polytene Chromosomes of Diptera
Polytene chromosomes are known to occur in many larval tissues of Diptera other than those of the salivary gland. They have been recorded in the nuclei.
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#26Structural organization and function of polytene chromsome
Polytene chromosomes are giant interphase chromosomes with several DNA ... Chironomous larvae, hence also known as salivary gland chromosome or giant.
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#27Polytene chromosomes as indicators of phylogeny in several ...
Polytene chromosome data are highly congruent with DNA sequence data and, when placed in a simultaneous analysis framework, are shown to be more ...
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#28Polytene Chromosomes: Applications in Cytology and ...
Polytene chromosomes are a type of Giant chromosomes which were discovered by Balbiani. Polytene chromosome is formed due to replication of ...
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#29CYTOLOGICAL EXAMINATION OF POLYTENE ...
This method of preparing polytene chromosomes; is slightly different from traditional methods. In the past chromosomes were spread by applying pressure to ...
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#30Polytene chromosome - Bionity
Polytene chromosomes have characteristic light and dark banding patterns which can be used to identify chromosomal rearragements and deletions. Dark banding ...
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#31Polytenes - Samford University
The Polytene Chromosomes of Drosophila melanogaster ... They are useful in the study of gene-chromosome relationships and have several unique features:.
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#32Preparation of drosophila polytene chromosome squashes for ...
This video protocol illustrates the squash technique used in the Johansen laboratory to prepare Drosophila polytene chromosomes for antibody labeling. From the ...
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#33polytene chromosome Gene Ontology Term (GO:0005700)
Term: polytene chromosome. Definition: A type of chromosome in a polyploid cell, formed when multiple copies of homologous chromosomes are aligned side by ...
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#34The endocycle controls nurse cell polytene chromosome ...
Polytene chromosomes exhibit intricate higher order chromatin structure that is easily visualized due to their precisely aligned component ...
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#35Molecular Genetic Analyses of Polytene Chromosome Region ...
We have investigated a region of ∼310 kb of genomic DNA within polytene chromosome subdivisions 72A to 72D of Drosophila melanogaster.
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#36Dissection of Larval Salivary Glands and Polytene ...
Polytene chromosomes are found in several larval and adult tissues, but preparations are usually made of the chromosomes in the larval salivary glands, because ...
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#37[Solved] The name 'polytene chromosome' was suggested by
Detailed Solution · The chromosome of the salivary gland is a polytene chromosome. · Polytene chromosomes are also salivary gland chromosomes ...
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#38Polytene chromosome - Oxford Reference
polytene chromosome. Quick Reference. A type of chromosome in a polyploid cell, formed when multiple copies of homologous chromosomes are aligned side ...
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#39Polytene chromosome
Polytene chromosomes are now considered to be very important objects for the analysis of numerous features of interphase chromosome organization and the genome ...
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#40Definition of 'polytene chromosome' - Collins Dictionary
Polytene chromosome definition: a giant , cross-banded chromosome that results from multiple replication of its genetic... | Meaning, pronunciation ...
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#41polytene chromosome Gene Set
168 proteins co-occuring with the polytene chromosome cellular component in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein ...
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#42Lecture 7. Polytene chromosomes. Lampbrush chromosomes
Polytene chromosomes were discovered by Balbiani (1881) in larval salivary glands, Malpighian tubules, intestine, hypoderm and muscles of.
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#43A Polytene Chromosome Analysis of the Anopheles gambiae ...
... the Anopheles gambiae complex were analyzed on the basis of chromosome inversions with reference to a standard polytene chromosome map. The phylogenet.
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#44Preparation of Drosophila Polytene Chromosome Squashes ...
This video protocol illustrates the squash technique used in the Johansen laboratory to prepare Drosophila polytene chromosomes with ...
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#45Streamlined Protocol for Polytene Chromosome In Situ ...
Streamlined Protocol for Polytene Chromosome In Situ Hybridization. Ronald K. Blackman. Ronald K. Blackman.
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#46Drosophila Polytene Chromosomes
The term used to describe these chromosomes and similar chromosomes in other diptera species is polytene chromosomes and these chromosomes have primarily been ...
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#47polytene chromosome definition
A giant chromosome produced by an endomitotic process in which, following synapsis of the two homologues, multiple rounds of replication produce chromatids ...
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#48Salivary Polytene Chromosome Mapping of a Mountain ...
Salivary Polytene Chromosome Mapping of a Mountain. Population of Anopheles (Cellia) splendidus. Koidzumi (Culicidae: Diptera). S. Chaudhry,. A. Chaudhry.
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#49THE RELATIONSHIP BETWEEN GENES AND POLYTENE ...
THE RELATIONSHIP BETWEEN GENES AND POLYTENE CHROMOSOME BANDS. Annual Review of Genetics. Vol. 8:51-62 (Volume publication date December 1974)
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#50Polytene chromosome - The Royal Society of Chemistry
Polytene chromosome. Definition: A type of chromosome in a polyploid cell, formed when multiple copies of homologous chromosomes are aligned side by side to ...
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#51Experiment-8 Preparation of Polytene Chromosomes from ...
Title: Experiment-8 Preparation of Polytene Chromosomes from Salivary Glands of Drosophila Larvae. Issue Date: 2017. Publisher: IGNOU.
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#52Polytene chromosome - Raghunathpur College
Structure. In insects, polytene chromosomes are commonly found in the salivary glands; they are also referred to as "salivary gland chromosomes".
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#53Lab 4A. Preparation of Drosophila Polytene Chromosome ...
Squash of Polytene Chromosomes from Drosophila larval salivary gland. Note the light and dark banding pattern along each chromosome arm, the ...
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#54Polytene Chromosomes - Giant Chromosomes
This phenomenon is called somatic pairing.ThusDrosophila has only four polytene chromosomes. Chromosome puffs or Balbiani Rings ...
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#55Preparation of Drosophila Polytene ... - Iowa State University
This video protocol illustrates the squash technique used in the Johansen laboratory to prepare Drosophila polytene chromosomes for antibody labeling. Comments.
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#56An integrated description of polytene chromosome structure
Unfortunately, polytene chromosomes lack, so far, a nucleosomal fiber description. Nucleosomes have been reported to occur in Dipteran polytene chromatin ...
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#57A Portrait of Functional Organization of the Drosophila Genome
This mini-review is devoted to the problem genetic meaning of main polytene chromosome structures – bands and interbands. Generally, densely packed chro.
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#58Research Notes
polytene chromosomes of Drosophila melanogaster were investigated. ... Application of AFB1 to Larvae: For our experiments polytene chromosome slides were.
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#59"A Comparison of the Polytene Chromosomes in the Salivary ...
A Comparison of the Polytene Chromosomes in the Salivary Gland Cells and Mid-Gut Cells of the Third Instar Larvae of Drosophila funebris, FABR.
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#60Identification of larval salivary gland polytene chromosomes of ...
Polytene chromosomes are of special interest to construct a Genetic Sexing Strain (GSS) of a pest species and it can play an important role for the successful ...
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#61Polytene Chromosome stock illustrations - iStock
Choose from 13 Polytene Chromosome stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else.
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#62Chironomus group classification according to the mapping of ...
Results showed that polytene chromosomes of Chironomus comprise of three long ... Balbiani ring (BR), puffings and chromosome rearrangement, ...
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#63Structure of Polytene chromosome:- - RDS College
Polytene chromosomes is one of the two types of giant chromosomes and is also known as salivary gland chromosome.It is so,called because of the presence of ...
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#64The Organization of Pericentromeric Heterochromatin ... - MDPI
Polytene chromosomes are giant chromosomes which result from multiple replication cycles without separation of sister chromatids. Polytene ...
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#65POLYTENE CHROMOSOME - Magadh Mahila College
Polytene Chromosomes are one of the Giant Chromosomes ... Polytene chromosomes were first of all observed by Balbiani (1881) in the salivary glands of the ...
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#66POLYTENE CHROMOSOME - Translation in Spanish - bab.la
Translation for 'polytene chromosome' in the free English-Spanish dictionary and many other Spanish translations.
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#67Polytene chromosome - Wikiwand
Polytene chromosomes are large chromosomes which have thousands of DNA strands. They provide a high level of function in certain tissues such as salivary ...
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#68(PDF) Analysis of Mitotic and Polytene Chromosomes and ...
Analysis of Mitotic and Polytene Chromosomes and Photographic Polytene Chromosome Maps in Bactrocera cucurbitae (Diptera: Tephritidae)
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#69Difference Between Polytene and Lampbrush Chromosome
Polytene chromosome is a giant chromosome discovered by E. G. Balbiani for the first time in 1881. Usually, they are present in dipteron fly ...
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#70Polytene chromosome Stock Photos and Images - Alamy
(a) Photomicrograph of Giant Polytene Chromosomes in Salivary Gland Cell of Drosophila. (b) Drawing of Drosophila Salivary Gland Giant Chromosomes and Those ...
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#71Polytene Chromosomes in Drosophila
Polytene Chromosomes in Drosophila. The fly, Drosophila melanogaster, is a holometabolous insect with four main stages to its lifecycle: embryo, larva, pupa ...
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#72What are special chromosomes? Definition, Types ... - Aakash
Polytene chromosomes were discovered by Balbiani which are formed due to polyteny. Lampbrush chromosomes are a special form of chromosome found in the ...
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#73Describe polytene chromosome. - Doubtnut
Watch complete video answer for “Describe polytene chromosome.” of Biology Class 11th. Get FREE solutions to all questions from chapter CELL ...
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#74Giant Chromosomes - Javatpoint
II) Polytene Chromosome: ... It is also a giant chromosome that consists of thousands of DNA strands. However, it is not as large as Lampbrush chromosome. These ...
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#75Zoology for B.Sc. Students Semester II: Genetics and Cell ...
About 85 per cent of the DNA in polytene chromosomes is in bands and rest 15 per cent is in interbands. The crossbanding pattern of each polytene chromosome ...
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#76Advances in Genetics - 第 471 頁 - Google 圖書結果
Structural analysis of polytene chromosome bands and interbands. In “Advances in Genetics, Development and Evolution of Drosophila" (S. Lakovaara, ed.), pp.
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#77Molecular Cell Biology - 第 1-261 頁 - Google 圖書結果
... FIGURE 6-44 Banding on Drosophila polytene salivary gland chromosomes and in ... characteristic of each Drosophila polytene chromosome , the hybridized ...
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#78International Symposium on Genes and Chromosomes--Structure ...
In the polytene chromosome of Sciaridae , DNA synthesis is not always equivalent in different cycles of synthesis . There are certain phases of larval life ...
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#79Functional Organization of The Nucleus: A Laboratory Guide
C. Antibody Staining Procedure To localize the positions of chromosomal proteins on the polytene chromosomes, the chromosome spreads are reacted with a ...
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#80What is polytene chromosome? - Quora
Polytene chromosomes are large chromosomes which have thousands of DNA strands. They provide a high level of function in certain tissues such as salivary glands ...
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#81Polytene Chromosomes Giant Chromosomes Stock Image
Photo about the polytene chromosomes in the salivary gland cells of Drosophila melanogaster. Image of anatomy, light, square - 24741653.
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#82Special types of chromosomes - BrainKart
Polytene chromosomes were observed by C.G. Balbiani in 1881 in the salivary glands of Drosophila. The characteristic feature of polytene.
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#83Interphase chromosomes - 2023 - hamdsome.pw
One of these interphase chromosomes with unsolved architecture is the polytene chromosome organization, seen in many insects and plants . 5 ).
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#84Korean tickle - 2023
Polytene chromosome. Phd cityu. 無顯示號碼掛斷. 拔萃女小学. 數碼港國際學校. Singly synonym. Product development and analysis. Dht s216. 石門凍肉.
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#85黃埔泳池2023
Polytene chromosome. Drama vip. Co star android. Kelly cheung model. 岩岩巉巉. 莊士維港軒租. 55 inch tv price. 鄧敬來. 入贅清邁. Arteholic. 陳庭欣j 圖.
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polytene 在 コバにゃんチャンネル Youtube 的最讚貼文
polytene 在 大象中醫 Youtube 的最佳貼文
polytene 在 大象中醫 Youtube 的最佳貼文