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anat > Week 4: Histology of the Upper Respiratory system > Flashcards

Week 4: Histology of the Upper Respiratory system Flashcards

1
Q

What is a merocrine secrection/gland?

A

Cell remains intact

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2
Q

What is an apocrine secretion/gland?

A

Part of the cell is lost

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3
Q

What is a holocrine secretion / gland?

A

All of the cell is lost

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4
Q

What is an exocrine secretion?

A

Secretion on to body surface

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5
Q

What is an endocrine secretion?

A

Secretion into blood vessel

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6
Q

What is a paracrine secretion?

A

Secretion directly into the tissues

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7
Q

Where is the olfactory mucosa?

A

Sphenoethmoidal recess

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8
Q

What cells are in respiratory epithelium?

A

Ciliated cells, goblet, basal, brush and granule

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9
Q

What are the germinative cells of respiratory epithelium?

A

Basal cells

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10
Q

What are brush cells?

A

Isolated cuboidal - with blunt microvilli - function: mechanoreceptors

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11
Q

What are granule cells? Resp

A

Isolated cuboidal to columnar - tight J, dense core secretory vesicles. Endocrine syst.

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12
Q

What is in the olfactory LP?

A

Tubulo-alveolar glands (Bowmans glands, exocrine, merocrine, serous). Olfactory nerve central processes.

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13
Q

Difference between resp and olfactory epithelium?

A

No goblet cells in olfactory

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14
Q

Olfactory nerve cells

A

PArt of PNS, Bipolar, golgi type 1, body has large central euchromatic nucleus + surface vesicle, non-motile cilia - chemanoreceptors that contain oderant molecueles

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15
Q

Oral mucosa classifc

A

Stratified squaous ep

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16
Q

Mastictary mucosa

A

Para-keratinised strat squmous ep. Gums and hard palate

17
Q

What are the types of mucosa in the oral cavity?

A

Specialised, parakeratinasied, non keratinised

18
Q

Where is lingual tonisl loated?

A

Posterior 1/3 tongue

19
Q

What are the minor salivary glands?

A

Small branched acinar serous secreting

20
Q

What are the types of papillae called on tongue?

A

Filiform, circumvallate, fungiform and foliate

21
Q

Where are foliate pap located?

A

Posterior lateral dorsum

22
Q

WHere are the Fungiform pap located?

A

aNTERIOR dorsum

23
Q

PArts of the salvion

A

Acini, intercalated ducts, striated ducts, excretory ducts (interlobular)

24
Q

WHAT is the parotid duct (Secretions)

A

Serous

25
Q

What is submandibular gland

A

Mixed - mainly serous

26
Q

What is sublingual duct ? secretions

A

Mainly Mucus

27
Q

THE ____ cells are located ____ at the base of the acinar epithelium

A

Myoepithelial cells, inside the basal lamina

28
Q

Where are the paryngeal tonsils located?q

A

Nasopharynx

29
Q

What cartilage is epiglottis?

A

Elastic

30
Q

What is the mucosa of larynx?

A

MOstly resp, but vocal folds and epiglottis are - non-keratinsed stratified squamous

anat (23 decks)

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