Histology - Respiration Images

Question 1

Answer 1

Hyaline cartilage and trachealis mm - patency support

Question 2

Answer 2

Kulchitsky cells - Amine Precursor Uptake & Decarboxylation (AUPD) - neuroendocrine cells

Question 2

Answer 2

Smooth muscle, no cartilage, and aveoli. Is a branchiole.

Question 3

Answer 3

Visceral pleura - Mesothelium (M, simple squamous epithelium) and thin layer of loose connective tissue

Question 3

Answer 3

Brounchus Associated Lymphatic TIssue - BALT

Question 4

Answer 4

Phagocytotic cells - dust cells - TEM, c= capillar, e = RBC, m = macrophage

Question 4

Answer 4

Emphysema - breakdown of interalveolar septum, ‘air trapping’ in large spaces, reduced air exchange.

Question 4

Answer 4

Pseudostratified Epi, seromucous glands, hyaline cart. NO aveoli, so much be Trachea or Main Bronchus

Question 5

Answer 5

Congenital Hiatal (diaphragmatic) Hernia - associated with Potter’s Sequence (Oligohydramnios)

Question 6

Answer 6

Fibroblast - Synthesizes CT ECM

Question 6

Answer 6

Clara cells (CC, Cl) - dome shaped. Increase as descend branchiolar tree, secrete surfactant, lysozyme, anti-inflammatory ptoreins

Question 7

Answer 7

Cuboidal epithelial cells - account for 60% of alveolar lining cells - line 5% of alveolar lumen

Question 7

Answer 7

Lung small cell carcinoma

Question 8

Answer 8

Opening of alveolar duct (into alveolar sac)

Question 9

Answer 9

Bronchioles (incl. terminal bronchioles) - Simple cuboidal epithelium, NO goblet cells!

Question 11

Answer 11

Alveolarstem cells - give rise to type I & II cells

Question 11

Answer 11

Trachea

Answer 13

Question 15

Answer 15

Thin Interalveolar Septum and RBC

Question 16

Answer 16

Smooth muscle in branchioles, incl. terminal branchioles.

Question 17

Answer 17

normal interalveolar septum

Question 18

Answer 18

Smooth muscle in 2’ and 3’ bronchi

Question 20

Answer 20

Endothelial cell injury - sepsis

Question 21

Answer 21

Pulmonary hypoplasia (left lung) - associated with Congenital Hiatal (diaphragmatic) Hernia

Question 22

Answer 22

Intrapulmonary Bronchus

Question 24

Answer 24

TEM - Lamellar bodies - syntheize, store, and secrete surfactant

Question 25

Answer 25

1 - alveolar sac 2 - respiratory bronchiole 3- alveolar duct 4 - alveolus 5 - terminal bronchiole

Question 27

Answer 27

Pulmonary burns (fire) - damage entire wall, edema, fluid in alveolar spaces, necrotic cells

Question 28

Answer 28

Smooth muscle, no cartilage, and aveoli. Is a branchiole.

Question 29

Answer 29

Macrophage - Phagocytosis, Antigen presentation, inflammatory responses

Question 30

Answer 30

Alveolar macrophages (M) - black specks

Question 32

Answer 32

Alveolar duct (black line) and alveolar sacs (AS)

Question 33

Answer 33

Alveolar Patency - Elastic fibers. Ma = macrophage

Question 34

Answer 34

Mucociliary escalator - synchronized beating of cilia sweep mucous coat upwards toward pharynx. CC - ciliated cells, GC - goblet cells

Question 35

Answer 35

Alveolar injury - toxic fumes

Question 36

Answer 36

Branchiole

Question 37

Answer 37

Plasma Cell - B lymphocyte derivative - Secretes antibodies - immunoglobulins or Ig molecules

Question 38

Answer 38

Terminal bronchioles in pseudoglandular period - end 16 weeks. (cuboidal epithelium) Capillaries present (not associated). No respiratory bronchi or alveoli