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Endoderm
Germ layer of all under respiratory system
respiratory system
this system is for breathing and gas exchange
pharynx
also known as the throat
respiratory and digestive system
organ systems of the pharynx
pharynx
tube-like passageway of food and air
epiglottis
prevents food or fluid from entering the trachea
epiglottis
invagination, flap-like covering the throat
glottis
combination of vocal folds and the opening between them
glottis
evagination; combination of vocal folds
vocal folds for production of sound
fate of glottis
4 pairs
limit of pairs of pharyngeal archers
6 pairs
limit of pairs of pharyngeal grooves
pharyngeal arches
develop from the cephalic (head) portion of the neural crest
lateral lingual swellings and tuberculum impar incus
fate of 1st pharyngeal arches
copula, stapes (small bones in your ears)
fate of 2nd pharyngeal arches
pinna (auricle) of external ear
fate of elevation from 1st and 2nd pharyngeal arches
epiglottis
fate of 3rd and 4th pharyngeal arches
Pharyngeal grooves
made out of ectoderm (pharyngeal)
ectoderm, mesoderm, and endoderm
germ layer of pharyngeal arch
ectoderm
germ layer of pharyngeal grooves
endoderm
germ layer of pharyngeal pouch
external auditory meatus (external ear canal)
fate of 1st pharyngeal grooves
tympanic membrane
fate of 1st closing plates
2nd pharyngeal clefts
fate of 2nd pharyngeal grooves and 2nd closing plates
cervical sinus
fate of 3rd and 4th pharyngeal grooves
pharyngeal pouches
endodermal out-pockets occuring between the pharyngeal arches
later incorporated into the thyroid gland, where they give rise to parafollicular cells
fate of 5th pharyngeal pouch
superior parathyroid glands, regulation of blood, get calcium from bones
fate of 4th phrayngeal pouch
inferior parathyroid glands
fate of DORSAL PORTION OF 3rd pharyngeal pouches and 3rd closing plates
thymus gland
fate of VENTRAL PORTION OF 3rd pharyngeal pouches and 3rd closing plates
palatine tonsils
fate of 2nd pharyngeal pouches
eustachian tube
fate of UPPER PORTION 1st pharyngeal pouches
tympanic (middle ear) cavity
fate of LOWER PORTION 1st pharyngeal pouches
larynx
voice box
trachea
windpipe which allows air to flow into the lungs
eparterial bronchus
form the upper lobe of the RIGHT lung
Lung buds
forms all of the future airways
brachial plexus
bundle of branching supporting nerves and movement of arms
pharynx and larynx
if cut is aorta the hole above and below are
esophagus and trachea
if cut is ventricle the hole above and below are
common cardinal vein
lateral to the trachea
caudal cardinal vein
vein lateral to the foreleg bud is
lung
main respiratory organ
pleural cavity
cavity surrounding the lungs