lab ass. respiratory system (exam 3)

what view is this

midsagittal section through upper respiratory tract. the nasal septum has been removed to reveal the turbinates’ (nasal conchae) of the lateral wall and the nasal cavity.

1

sphenoid sinus

2

sella turcica

3

pharyngeal tonsil

4

posterior naris

5

opening of auditory (eustachian) tube

6

nasopharynx

7

soft palate

8

uvula 

9

palatine tonsil

10

oropharynx

11

epiglottis (part of larynx)

12

laryngopharynx

13

esophagus

14

trachea

15

vocal folds (part of larynx)

16

larynx

17

thyroid cartilage (part of larynx)

18

hyoid bone

19

lingual tonsil

20

hard palate

21

inferior nasal concha

22

vibrissae

23

anterior naris

24

vestibule

25

middle nasal concha of ethmoid

26

superior nasal concha of ethmoid

27

nasal bone

28

frontal sinus

29

cribriform plate of ethmoid bone

what view is this showing

nasal septum consists of the perpendicular plate of ethmoid bone, vomer, and the septal and vomeronasal cartilages

1

frontal sinus

2

cribriform plate of ethmoid bone

3

sphenoid sinus

4

pharyngeal tonsil

5

palatine bone

6

maxilla

7

incisive foramen

8

vomeronasal cartilage

9

vomer

10

septal cartilage

11

perpendicular plate of ethmoid bone

12

nasal bone

what is this view showing

anterior view of the paranasal sinuses

1

frontal sinus

2

sphenoid sinus

3

maxillary sinus

4

oral cavity

5

inferior concha 

6

middle nasal concha of ethmoid

7

superior nasal concha of ethmoid

8

ethmoid air cells

9

lacrimal sac

what view is this showing

A: anterior view B: posterior view of larynx. some softer tissues of the larynx and surrounding structures have been removed to make it possible to see the cartilages of the larynx

1

epiglottis

2

superior thyroid notch

3

laryngeal prominence (Adams apple)

4

cricothyroid ligament

5

tracheal cartilage

6

hyoid bone

7

thyrohyoid ligament

8

thyroid cartilage

9

cricoid cartilage

10

thyroid gland

11

trachea

12

epiglottis

13

corniculate cartilage

14

arytenoid cartilage

15

parathyroid glands

16

membranous part of trachea

what view is this showing

sagittal section of the mucosal lining of the larynx, with its folds and underlying muscles and ligaments visible

1

hyoid bone

2

epiglottis

3

vestibular fold (false vocal cord)

4

vocal fold (true vocal fold)

5

thyroid cartilage (Adams apple)

6

cricoid cartilage

7

lumen of trachea

8

cartilages of trachea

9

thyroid gland

10

larynx

11

vestibule

12

cuneiform cartilage 

13

corniculate cartilage

14

vestibule

15

arytenoid muscle

what view is this showing

various levels of branching from the primary bronchi (first level of branching) to the alveolar sacs (20th-23rd levels of branching)

1

cartilage rings

2

cartilage plates

3

bronchioles

4

terminal bronchiole

5

alveolar ducts and alveolar sacs

6

respiratory bronchiole

7

tertiary bronchi

8

secondary bronchus

9

primary bronchus

10

trachea

what view is this showing

medial view of the right lung; note the hilum

1

right pulmonary bronchus

2

pulmonary artery