by :histology lab(SH). - Doctor 2017 - JU Medicine
Transcript of by :histology lab(SH). - Doctor 2017 - JU Medicine
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Respiretory System
by :histology lab(SH).
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Nasal cavity(nose)
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Larynx
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False vocal cord = true vocal cordventricle
Vocalis muscle
vocal ligament
(Vestibular fold)
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Vestibular fold vocal ligament(False vocal cord )
Seromucous gland
Ventricularfold
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Thyroid Hyaline Cartilage
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vocal ligament
St.squ.epith.
(Elastic fibers)
true vocal cord
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Vocalis
muscle
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Vocalis
muscle
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RESPIRATORY EPITHELIUM
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False vocal cord :_ RESPIRATORY EPITHELIUM
Serous gland
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RESPIRATORY EPITHELIUM
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2
C-SHAPE TRACHEA-transeverse section
ESOPHAGUS-posteriorly
1
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TRACHEALIS (SMOOTH) MUSCLE
HYALINE CARTILAGE
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TRACHEALIS (SMOOTH) MUSCLE
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MUCOSA ,SUBMUCOSA,CARTILAGE.ADVENTITIA
4 3 2 1
PERICHONDRIUM
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RESPIRATORYEPITHELIUM TRACHEAL GLAND IN SUBMUCOSA
HyalineCartilage
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ADVENTITIA
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BASEMENT MEMBRANEGOBLET CELL
seromucous Gl.
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EXTRAPULMONARY
BRONCHUS
TRACHEA
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EXTRAPULMONARY BRONCHUS;(astrachea)except cartilage is segmented
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LUNG TISSUE
LUNGTISSUE
INTRAPULMONARY BRONCHUS(LARGE)
H.C
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H.C. LYMPH. SM. RESP.EP
GLAND
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PSEUDOSTRATIFIEDCOLUMNAR CILIATED +GOBLET CELL
SM
LYMPH
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INTRAPULMONARY BRONCHUS-
LARGE
LUNG TISSUE
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INTRAPULMONARY BRONCHUS:
SMALL LARGE
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SMALL
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INTRAPULMONARY BRONCHUSPULMONARY VESSEL
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TERMINAL BRONCHIOLEs
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SIMPLE COLUMNAR CILIATED EP.
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Lamina propria
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SIMPLE COLUMNAR CILIATED EP.
SM
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Respiretory bronchioles in lung tissue
pleura
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Respiratory bronchiole open to alveolar duct
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Alveolar duct
atria
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.T.
Pulmonary arterys.m.
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Bronchial wall:
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Simple cuboidal ciliated ep.
Clara cell(non-ciliated)
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Smooth muscle
Clara cell
Simple cuboidal ciliated ep
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Alveolarduct
sac
Alveolarsac
Alveolus
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Alveolar wall: =septum
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Alveolar septum epithelial cells:-
Type 2(surfactant)
Endothelial cell
capillary
pneumocyteType1
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Type 2(surfactant)
pneumocyteType1
capillary
Endothelial cell
Intra-alveolarmacrophage
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visceral pleura:Serous membrane(mesothelium)
C.T.Elastic fiberscollagen
B.V.
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B.V.B.
c.c.
Alveolar macrophage= dust cells