a:\banqim\
1- Epithelium buccal
buccal1.FIF
Les cellules de l'pithelium buccal se dtachent de la muqueuse et se noient dans  la salive. Il suffit donc de mlanger une goutte de salive avec du bleu de mthylne pour les observer.
noyau,6420,4815
organite,5895,4320
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50
2- Epiderme d'oignon 1
oignon1.FIF
La prparation a t colore au bleu de mthylne. Elle montre l'agencement des cellules.
noyau,8295,3060
membrane cellulosique,6570,3045
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50
3- Epiderme d'oignon 2
oignon2.FIF
"A un fort grossissement, on distingue la membrane cellulosique et le ciment pectique."
ciment pectique,7575,1965
membrane cellulosique,8010,1815
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30
4- Banane 
banane1.FIF
Les amyloplastes reprsentent une forme de stockage de l'amidon produit a l'issue de la photosynthse.
amyloplaste,3585,5670
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50
5- Mousse
mousse2.FIF
La plupart des chloroplastes circulent le long de la paroi cellulaire (mouvements de cyclose) contre laquelle ils sont plaqus.
chloroplastes,5085,4590
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40
6- Stomate
stomat.FIF
Epiderme de chou rouge. Les cellules stomatiques mnagent un trou (l'ostiole) qui assure les changes gazeux avec l'extrieur.
ostiole,6090,4545
cellule stomatique,5850,3945
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100
7- Ail 1 (coupe de racine)
ail1.FIF
La coupe longitudinale d'une racine d'ail permet d'observer les diffrentes phases de la mitose. On y distingue 2 zones : la zone du mristme dans laquelle les cellules se divisent activement et une zone d'longation.
mristme,7005,7245
cellules en mitose,8025,1800
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600
8- ail 2 (mitose)
mitose1.FIF
"Anaphase. A un trs fort grossissement, on distingue les fibres du fuseau sur lesquelles sont fixs les chromosomes, et le phragmoplaste qui assure la division du cytoplasme."
prophase prcoce,7200,3900
prophase tardive,4920,2340
anaphase,5115,5145
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75
9- ail 3 (mitose)
mitose3.FIF
"Prophase.A la fin de la prophase, la membrane nuclaire clate."
prophase prcoce,8820,5820
prophase tardive,8400,1110
prophase trs tardive,6285,4035
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50
10- ail 4 (mitose)
mitose4.FIF
Mtaphase. On distingue les chromosomes rangs sur une plaque quatoriale.
mtaphase,5655,5085
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40
11- ail 5
mitose6.FIF
Trois figures d'anaphase de la plus prcoce  la plus tardive.
anaphase prcoce,6480,3870
anaphase tardive,8475,4380
anaphase finale,5100,2250
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100
12- Chromosomes geants
chrom1.FIF
Les cellules des glandes salivaires de diptres montrent des chromosomes volumineux et visibles en permanence.
limite des cellules,5520,5055
noyau,6960,4935
chromosomes gants,4710,2955
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150
13- Sordaria macrospora
sordar1.FIF
Les asques de cette moisissure hybride (noir x blanc) permettent d'tudier la rpartition des spores a l'issue de la meiose. 3 de ces rpartitions sont reprsentes ici.   
asque,6990,5235
spore,5025,2700
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100
14- Trone 1 (osmose)
troene3.FIF
"Au contact de l'eau pure, les vacuoles colores des cellules sont gorges d'eau : les cellules sont turgescentes."
cellule turgescente,5835,4230
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100
15- Trone 2 (osmose
troene4.FIF
"Au contact d'une solution sale, les vacuoles colores des cellules se sont vides de leur eau : les cellules sont plasmolyses. "
cellule plasmolyse (vacuole),9975,3795
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100
16- Trone 3 (osmose)
troene2.FIF
"Au contact de l'eau pure, la vacuole de la cellule s'est gorge d'eau : la cellule est turgescente."
limite de la vacuole,6285,3075
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100
17- Trone 4 (osmose)
troene1.FIF
"Au contact d'une solution sale, la vacuole colore s'est vide de son eau : la cellule est plasmolyse."
limite de la vacuole,7620,4470
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100
18- moelle 1
sb2.FIF
Substance blanche. On y distingue des sections de fibres avec et sans myline. Il est possible d'tablir un histogramme des diamtres.
coupe transversale de fibre nerveuse,6090,1260
coupe d'axone,8250,2700
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20
19- moelle 2
sb3.FIF
Dtail de la substance blanche. Les sections des fibres nerveuses sont visibles. 
fibre nerveuse,5025,3990
axone,4020,3600
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20
20- moelle 3
sg1.FIF
Substance grise. Corps cellulaire a un fort grossissement.
corps cellulaire,4845,3060
noyau,6330,3855
prolongement (axone),7815,5130
cellule de la glie,3270,3810
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100
21- moelle 4
sg2.FIF
"Substance grise. Le corps cellulaire, avec le dpart d'un axone, est bien visible."
corps cellulaire,5340,4410
axone,2280,4590
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100
22- moelle 5
sb-sg1.FIF
Limite entre substance blanche (section de fibres ) et substance grise (corps cellulaires). On distingue le dpart des axones. 
substance grise,5175,4995
substance blanche,6090,1470
corps cellulaire,4710,6270
coupe transversale de fibre,3720,615
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150
23- moelle 6
sb-men1.FIF
Contact moelle-mninges.
substance blanche,3480,4965
mninges,6120,2445
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100
24- moelle 7
gg-spi1.FIF
Ganglion spinal. On y voit les corps cellulaires des neurones sensitifs.
corps cellulaire,4935,2400
cellule de la glie,6825,3495
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50
25- nerf 1
nerf1.FIF
Coupe transversale de nerf montrant des faisceaux de fibres.
coupe trasnversale de fibre nerveuse,6075,3675
limite du faisceau de fibres,2790,3855
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150
26- nerf 2
nerf2.FIF
Coupe de nerf a un fort grossissement. On y distingue des fibres mylinises avec axone visible au centre et des fibres sans myline. 
coupe transversale de fibre,4815,3030
axone,7215,4635
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40
27- muscle 1
ctmusc1.FIF
Coupe transversale de muscle. On y distingue des sections de fibres avec plusieurs noyaux  la priphrie.
coupe transversale de fibre musculaire,4290,3015
noyau,6525,1575
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80
28- muscle 2
muscle2.FIF
Muscle dilacr. Les fibres musculaires stries avec plusieurs noyaux sont bien visibles. 
fibre musculaire,6435,4335
noyau,3375,3780
strie,4470,3450
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150
29- Muscle 3
muscle1.FIF
Muscle dilacr. Dtail d'une fibre strie.
noyau,5565,4140
stries,7350,3840
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50
30- Pancreas
pancr3.FIF
"Les lots de Langerhans qui secrtent les hormones la glycmie (insuline et glucagon) se distinguent des acini pancratiques(qui secrtent le suc pancratique) par leur couleur plus claire."
limite de l'acinus,7095,2490
limite de cellule secrtrice,5355,3990
ilt de Langerhans,7275,7230
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50
31- Lymphocytes
lympho1.FIF
Les lymphocytes du sang ont une taille voisine des hmaties. Ils s'en distinguent par la prsence d'un noyau.
hmatie,7200,5910
lymphocyte,7005,2505
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50
32- testicule 1
sperm1.FIF
"Cellules nourricires de Sertoli plus claires, spermatogonies  petit noyau fonc, spermatocytes  gros noyau, spermatides  petit noyau clair avec un nuclole."
limite de tube sminifre,3540,3480
cellule de Sertoli,5100,3405
spermatogonie,3870,4020
spermatocyte,3795,6975
spermatide,8655,4830
100
33- testicule 2
sperm3.FIF
Chandelier de Sertoli constitu par une cellule de Sertoli relie  un bouquet de spermatozodes.
chandelier de Sertoli,4560,4050
spermatide,5880,5430
spermatocyte,7830,5505
cellule de Sertoli,6510,4500
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100
34- testicule 3
sperm4.FIF
Cellules instertitielles. Elles sont places entre les tubes sminifres et ont la proprit de secrter la testostrone.
cellule insterstitielle,5130,5895
limite de tube sminifre,5160,1605
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80
35- spermatozoides
spermz1.FIF
"Trs fort grossissement. On distingue l'acrosome qui secrte des enzymes, le noyau, la pice intermdiaire contenant des mitochondries et le flagelle assurant le dplacement."
acrosome,2775,1170
noyau,3375,1290
pice intermdiaire,4050,1455
flagelle,5940,2490
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20
36- Testicule 4
v-sang1.FIF
Le testicule a des fonctions endocrines. Il n'est donc pas tonnant d'y trouver des vaisseaux sanguins.
hmatie,5880,4275
limite du vaisseau,6150,1230
tube sminifre,8385,6285
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100
37- ovaire 1
ov-th1.FIF
L'image montre les thques (interne et externe) qui sont au contact de la granulosa du follicule.
cavit du follicule,2520,5670
granulosa,4380,4305
thque interne,6225,4170
thque externe,7935,3690
corps jaune,10125,2805
150
38- ovaire 2
ovair3.FIF
"Follicules primordiaux (cellules folliculaires non jointives), follicule primaire (1 couche de cellules folliculaires jointives)"
follicule primaire,7635,4095
follicule primordial,405,2700
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200
39- ovaire 3
ovair4.FIF
"Corps jaune (cellules plus claires), follicule secondaire (plusieurs couches de cellules folliculaires adhrentes  l'ovocyte)."
ovocyte,6210,4575
granulosa,6135,2595
corps jaune,2160,1590
follicule primordial,450,6885
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50
40- ovaire 4
ovair5.FIF
Coupe tangentielle de follicule cavitaire.
coupe tangentielle du follicule,6825,4425
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100
41- ovaire 5
ovair6.FIF
Follicule cavitaire avec ovocyte visible.
ovocyte,6090,3660
cavit du follicule,6000,5700
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100
42- ovaire 6
c-jaun1.FIF
Les cellules du corps jaune se distinguent des autres cellules de l'ovaire par une teinte plus claire.
corps jaune,5325,4620
thque,5145,1575
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100
43- uterus
uterus1.FIF
Coupe d'utrus en phase folliculaire.
cavit de l'utrus,6870,4080
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200
44- microfaune 1
m-faun1.FIF
"Collembole, insecte primitif sans ailes possdant un appareil de saut, la furca, ici dplie." 
collembole,4740,3285
furca dplie,4905,1980
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250
45- microfaune 2
m-faun2.FIF
"Collembole, insecte primitif sans ailes possdant un appareil de saut : la furca, ici replie.Acarien, microarthropode  8 pattes proche des araignes."
collembole,5850,1950
furca replie,5385,2910
acarien,4620,5520
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250