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Y Histology 2nd Bi > Respiratory > Flashcards

Respiratory Flashcards

1
Q

Four functional events of respiration

A

Air conduction
Air filtration
Gas exchange

Minor:
Speech
Smell
Endocrine
Immune regulation
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2
Q

Conducting portion

A 
Nose
Pharynx
Larynx
Trachea
Bronchi
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3
Q

Respiratory

A

Resp bronchiole
Alveolar duct
Alveolar sac
Alveoli

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4
Q

Bronchial tree

A

Internal bronchi and the bronchioles

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5
Q

Conditioning occurs in______

and includes the

A

Conducting portion

Warming, moistening, and removal of particulate matter

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6
Q

Boundaries of the nasal cavity

A

Communicates with the external environment
A: anterior nares
P: nasopharynx choanae
L: paranasal sinuses and nasolacrimal duct

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7
Q

Nasal chambers are divided into:

A

Nasal vestibule - lined by skin
Respiratory region - largest, lined bu resp mucosa
Olfactory region - apex or upper one third, lined by spec olfactorymucosa

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8
Q

Lined by strat squam non ker
LP: dense CT with vibrissae

Contains sweat and sebaceous glands

A

Nasa vestibule

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9
Q

Epith: pseudostrat columnar ciliated w/ goblet cells (pccw/gc)
LP: mixed glands s/m with rich vascular network
Mucosa: Schneiderian membrane

A

Respiratory Area

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10
Q

Conchae dual role

A

Increase SA

Turbulence in air flow

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11
Q

Cell types in resp area

A 
Ciliated cells
Goblet cells
Bruch cells
Small granule cells
Basal cells
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12
Q

Resemble basal cells but contain Secretory granules. Endocrine cells of the diffused neuroendocrine system (DNES)

A

Small granule cells (Kulchitsky cells)

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13
Q

E: pseudostrat columnar plain
LP: directly contiguous with the periosteum of the underlying bone

A

Olfactory region

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14
Q

Olfactory cell types:

A

Olfactory receptor cells
Supporting or sustentacular cells
Basal cells
Brush cells

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15
Q

Similar to neuroglia providing mech and metabolic support to the olfactory receptor cells
Synthesize and secrete odorant-binding protein

A

Supporting or sustentacular cells

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16
Q

Bipolar olfactory neurons that span the thickness of the epithelium and enter the CNS

A

Olfactory receptor cells

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17
Q

Possess lipofucsin granules, adhering jxns

Gap and tight jxns are absent

A

Supporting cells

18
Q

Columnar cells specialized for transduction of general sensation

A

Brush cells

19
Q

Progenitors of the other mature cell types

A

Basal cells

20
Q

Branched tuboloalveolar serous glands that delver their proteinaceous rsecretions via ducts onto the surface

A

Bowman’s glands

21
Q

Structure in LP from Axon that penetrates the ethmoid bone

A

Fila olfactoria (1st cranial nerve)

22
Q

Olfactory vesicle are dendrites that extend up to the surface terminating bulb like swelling

T/F

A

True

23
Q

4 pairs of paranasal sinuses

A

Ethmoidal
Frontal
Sphenoid
Maxillary

24
Q

The mucosal surfaces of the sinuses is a

A

Thin ciliated pseudostrat columnar with gc

25
Q

T. Mucosa is cont. with mucous membranes of nasal cavity
LP: few mucous glands, cont. with the periosteum of underlying bone
Air-filled cavities w/in bone

A

Para nasal sinuses

26
Q

Fxnal significance of paranasal sinuses

A

Lightens the skull

Acts as a resonance chamber for speech

27
Q

Stratified squamous epithelium in the resp system

A

Oropharynx
Laryngopharynx
Larynx
Vestibule

28
Q

Simple columnar ciliated with goblet cells

A

Intrapulmonary bronchi

29
Q

Cuboidal epithelium

A

Alveolar duct

30
Q

Pseudostrat columnar ciliated with goblet cells

A 
Paranasal sinuses
Nasopharynx
Trachea
Resp area of nasal cavity
Extrapulmonary bronchi
31
Q

Pseudostrat columnar plain

A

Olfactory

32
Q

Bet the oropharynx and the trachea is a complex tubular region formed by irregularly shaped plates of hyaline and elastic cartilage

A

Larnyx

33
Q

Two folds of mucosa that project into the lumen of the larynx

A

Vocal folds or cords

34
Q

The lateral boundaries of the opening of the larynx

A

Rima glottidis

35
Q

They join the adjacent cartilaginous pkates and are responsible for generating tension in the vocal folds and for opening and closing the glottis

A

Ligaments and

intrinsic laryngeal muscles

36
Q

Insert on cartilages of the larynx but originates in extra laryngeal structures and move the larynx during deglutition

A

Extrinsic laryngeal muscles

37
Q

Above the vocal folds is an elongated recess called

A

Ventricle

38
Q

Above the ventricle is another pair of mucosal folds (upper) resp for respiration

A

False vocal cords

39
Q

The CT of the larynx contains mixed mucoserous glands that

A

Secrete through ducts onto the laryngeal surface

40
Q

PRINCIPAL PROTEINS of extracellular matrix of developing enamel

A

,…

41
Q

….

A

Amelogenins,ameloblastins, enamelins,tuftelins

42
Q

Enamel tufts , enamel spindles

A

….

Y Histology 2nd Bi (4 decks)

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