anatomy lab exam 3 - location descriptions

external nares

opening at the base of the nose; nostrils

middle nasal conchae

bony structure in the middle of the nasal cavity

inferior nasal conchae

bony structure at the bottom of the nasal cavity

superior nasal conchae

bony structure at the top of the nasal cavity

ethmoid

bone that separates nasal cavity from the brain

nasal cavity

inferior space that extends from nostril to upper part of the throat

hard palate

bony structure at front of mouth; sits before soft palate

soft palate

muscular portion of palate; located further back in mouth

uvala

lil hanging flap of skin in back of mouth right before throat

nasopharynx

situated behind nasal cavity and above the soft palate; uppermost portion of throat

pharyngotympanic tube

channel that connects ear to mouth

oropharynx

can be seen as the back of the throat, middle portion of pharynx

laryngopharynx

lowest portion of throat; where food and air split

epiglottis

flap of cartilage that acts as a protective “lid” for trachea

larynx

muscular organ forming an air passageway to the lungs; voicebox

cricoid cartilage

ring shaped cartilage in larynx; forms complete circle around

thyroid cartilage

cartilage that takes up majority of larynx; Adams Apple

vestibular fold

in the larynx, above vocal cords, horizontal fold

vocal fold

stretches across trachea; kinda behind adams apple

trachea

connects lungs to throat; windpipe

tracheal cartilages

small, circular bands that surround trachea

primary bronchus

main branches off of the trachea into the lobes of lungs

secondary bronchus

breaks into smaller “branches”; like roots throughout lobes; extension of the primary

tertiary bronchus

furthest branch off of the secondary, flows into bronchioles

superior lobe

uppermost section on the lung lobes; on both left and right sides

middle lobe

lobe that is only on the right side of the lungs

inferior lobe

lowest lobe of the lungs; on both left and right side

cardiac notch

indention on the left side of the lungs which borders the heart

oblique fissure

fissure that is present on both the left and right sides of the lungs; on right it separates middle and inferior lobes, on left it separates superior and inferior

horizontal fissure

fissure that is only on the right side of the lungs, separates superior and middle lobe

diaphragm

muscular prominence that is at the bottom of the chest cavity, separating it from the abdominal cavity

incisors

teeth at the front of the mouth; in the middle on jaw

canines

teeth that have pointed tip and look like vampire teeth

premolars

series of 2 teeth that follow the canines and precede the molars

molars

last 3 teeth in jaw, follow the premolars

esophagus

muscular tube that connects the throat to stomach and transports food/liquid

submandibular gland

gland that sits just below the jaw bone

parotid gland

gland located just below and in front of the ears

sublingual gland

gland on the floor of the mouth, just under the tongue

left lobe of the liver

smaller lobe of liver; triangular in shape

right lobe of liver

larger lobe of liver

caudate lobe of liver

on the posterior side of the liver, superior-medial portion of liver

quadrate lobe of liver

lobe of the posterior side of liver; inferior to caudate lobe

hepatic portal vein

larger vein located superiorly on the right side of the liver

common hepatic duct

duct that carries bile from the liver to the gallbladder

gallbladder

organ located underneath the liver in the right lobe

pancreas

organ located inferior to the liver, behind the stomach

pancreatic duct

runs the length of the pancreas, starting from tail to head

spleen

sits in the upper right quadrant of abdomen; behind stomach and below diaphragm near lower ribs

stomach

organ that sits below the left lobe of the liver

fundus of the stomach

upper “head” of stomach

cardia of stomach

area around the “trunk” of the esophagus that connects to the entrance of the stomach

body of the stomach

largest portion of the stomach

pylorus of the stomach

region at the bottom of the stomach right before the pyloric sphincter

lesser curvature

on the “top” of the stomach; perimeter of the upper-middle region

greater curvature

on lower end of the stomach; bottom curve/crest

pyloric sphincter

valve located at the lower end of the stomach

duodenum

first part of the small intestine, connects stomach to jejunum

jejunum

middle portion of small intestine; after duodenum, before ileum

ileum

final portion of small intestine, after jejunum

mesentary

tissue that connects intestines to back wall of stomach

cecum

lower right quadrant of the abdomen; pouch-like structure on the first part of the large intestine

appendix

extends off of large intestine; small, finger-like structure

transverse colon

part of the upper colon; extends horizontally from left to right

descending colon

follows the course of the transverse colon; precedes the sigmoid colon

haustra

bulges along the colon, small sac-like structures

teniae coli

band of muscle that runs the length of the large intestine

rectum

end of the colon; between the sigmoid colon and anal canal