WSU BIO 315 Lab Exam 4 (respiratory system and mediastinum, with BQ)

dorsum of nose

bridge of the nose

• ridge

apex of nose

boop

• feature

ala of nose

where u get a stud nose piercing

• feature

nasal bones

white front bones on rainbow skull

• structure

major alar cartilages

the sides of the nose where glasses would sit

mobile nasal septum

right above philtrum where septum piercing would go

• structure

bony part of the nasal septum

yellow piece in the middle of rainbow skull nose

• structure

nares (nostrils)

TA will lay probe inside the nostril

• 2D opening

vestibule of the nose

booger space same as nares but 3D not 2D

• 3D SPACE

vibrissae of the nose

BQ ONLY: fancy name for “nose hairs”

nasal conchae

the three ridges of the nose cross section model

• collective structure

superior nasal conchae

#6 top ridge

• strucutre

middle nasal conchae

#7 middle ridge, longest of the three

• strucutre

inferior nasal conchae

#8 the thickest

• structure

nasal meatuses

the three spaces on nose model

• collective passageway

superior nasal meatus

#9 the smallest passageway

• passageway

middle nasal meatus

#10 middle passageway

• passageway

inferior nasal meatus

#11 bottom passageway

Opening of nasolacrimal duct

hole in the orange

• 3D space

respiratory region

BQ ONLY: The epithelium here warms, humidifies, and filters the air / lined with respiratory epithelium

olfactory region

BQ ONLY: receptors here for smell, lined with olfactory epithelium

choanae

#17 white lined depression

• depression

frontal sinuses

TA will tap the forehead

• SPACE

maxillary sinuses

BQ: the largest of the paranasal sinuses

located underneath eyes on the maxilla bone

• SPACE

sphenoidal sinuses

TA will flip skull and tap red pokey bit

• space

ethmoidal cells

TA will pinch between nose

• space

ethmoidal cells

BQ: as many as 20 small sinuses.

opening of pharyngotympanic tube (eustachian tube)

#12 the most posterior

• 2D space

torus tubarius

ridge surrounding the Eustachian tube

• ridge

pharyngeal tonsils

roof on the model

• structure

thyroid cartilage

On larynx model

in front of the thyroid gland, almost like a “shield”

• structure

laryngeal prominence

point where thyroid shields meet

the point of the thyroid

• structure

laryngeal prominence

BQ: adam's apple

cricoid cartilage

hourglass shape on the posterior side of the model

• structure

epiglottis

the tongue like structure

• structure

arytenoid cartilage

small blue fangs on larynx model

• structure

muscular process of arytenoid cartilage

BQ ONLY: projet LATERAL

vocal process of arytenoid cartilage

BQ: project ANTERIOR for attachment of vocal folds

cricothyroid joint

small bony pointy nub on thyroid cartilage

• articulation

thyrohyoid membrane

almost baleen looking striations

• structure

cricothyroid ligament

TA will take off the thyroid cartilage to show the “baby whale teeth”

• strucutre

inlet of larynx

TA will lay probe across front

• 2D opening

aryepiglottic folds

ridges that make epiglottis slide tracts

• ridges

vestibule of larynx

TA will insert the probe into the larynx

vestibular fold

the top triangle on larynx inside

• strucutre

ventricle of larynx

the crease between triangle folds

glottis of the larynx

BQ ONLY: part of the larynx that produces sound

vocal folds of larynx

underneath ventricle

• structure

Rima Glottidis of the larynx

TA will look through the bottom of larynx, a teardrop shape

• changing space

infraglottic cavity

space underneath vocal fold

• space

posterior cricoarytenoid muscle

the butt cheeks on the posterior side of the larynx

lateral cricoarytenoid muscle

5 in image

bottom wing of the butterfly

• structure

transverse arytenoid muscle

underneith the “X”

• strucutre

oblique arytenoid muscle

1 in image

the “X” itself

• strucutre

thyroarytenoid muscle

upper butterfly wing

• structure

cricothyroid muscle

thick “M” on the anterior side

• strucuture

innervation of intrinsic muscles of the larynx

BQ ONLY: vagus nerve

innervation of intrinsic muscles of the larynx

BQ: only vagus nerve

Trachea

the tube part of the windpipe before the split, TA will lift aorta and vena cava

• entire strucutre

• 2352

tracheal cartilages

help make the individual C shaped rings on trachea, labeled C on image

• individual structures

tracheal bifurcation

the division middle of the tracheal split

• division

right main bronchus

• structure

right main bronchus

BQ: more vertical, shorter, and wider than the left, an inhaled foreign body is more likely to enter the right main bronchus

left main bronchus

• structure

segmental bronchi

BQ ONLY: third order bronchi, branch from the lobar bronchi, ten in each lung

R lung

larger lung, consists of three lobes: upper, middle, and lower, responsible for oxygen exchange.

L lung

smaller lung, consists of two lobes: upper and lower, also responsible for oxygen exchange.

apex of the R/L lung

the top peak on the lungs

• feature

base of lung of the R/L lung

flat base of lung, TA will wave hand below lung

• feature

costal surface of the R/L lung

the surface of the lung that faces the rib cage

where blueish lines where the ribs are

• layer

mediastinal surface of the R/L lung

the surface of the lung that faces the mediastinum, containing structures such as the heart and great vessels.

• layer

diaphragmatic surface of the R/L lung

concaved portion of the bottom lung, TA will put fist in concave dome

anterior border of the R/L lung

this is the left lung

• boundary

inferior border of the R/L lung

this is the lower edge of the lung, separating it from the diaphragm.

• boundary

hilum of the R/L lung

all the blood vessels of the lung, TA will circle probe around

• region

root of the R/L lung

the vessels within the hilum of the lung

TA will probably poke probe into all the holes

• collective structure

lobes of right lung

superior, middle, inferior

superior lobe of the right lung

top love of the three lobes

• structure

middle lobe of the right lung

more anterior anatomically, more cubic in shape

• strucutre

inferior lobe of the right lung

• strucutre

oblique fissure of the right lung

the “S” shaped fissure that goes through the superior, middle and inferior lobes

• space

horizontal fissure of the right lung

goes straight across between the superior and middle lobes

• space

right superior lobar bronchus of the right lung

some cartilage, extends up to R superior lobe

• structure

interlobar bronchus of the right lung

below the right superior lobar bronchus, thicker walls

• strucutre

right pulmonary artery of the right lung

two vessels together on R side

right superior pulmonary vein of right lung

below arteries

right inferior pulmonary vein of the right lung

below the bronchi

• structure

superior lobe of left lung

the uppermost section of the left lung, looks like a pillar

• strucutre

cardiac notch of left lung

looks kinda like a triangular shaped divot or a bite

on the mediastinal surface

• depression

cardiac notch of left lung

BQ: like a bite taken out of the superior lobe, the pericardium is visible through the notch.

Lingula of left lung

flappy part at the bottom of the superior lobe

• feature

inferior lobe of the left lung

bottom lobe

• strucutre

oblique fissure of the left lung

space between the two lobes

• space

root of left lung

• collective structure

vessels that enter the left lung

left main bronchus

kinda cut

• structure

left pulmonary artery of left lung

the top and largest vessel, split up

• strucutre

left superior pulmonary vein of left lung

• strucutre

left inferior pulmonary vein of the left lung

• structure

superior boundary of the mediastinum

ta will wave hand over clavicle

inferior boundary of mediastinum