Cervical Viscera Flashcards
The upper lobe of the thyroid gland reaches ?
thyroid cartilage
The lower pole of each thyroid lobe can reach down as far as ?
4th or 5th tracheal rings
The isthmus of the thyroid extends across the middle in front of :
2nd, 3rd, 4th tracheal rings
What three structures are housed in the carotid sheath
ECA, Vagus, IJV
Anterolateral border of the thyroid gland
sternothyroid
superior omohyoid
sternohyoid
anterior border of the SCM
Posterolateral border of the thyroid
Carotid sheath
contains: vagus, ECA, IJV
Medial border of the thyroid gland
larynx trachea esophagus cricothyroid external and recurrent larygngeal nerves
Anterior border of the thyroid isthmus
sternothyroid sternohyoid anterior jugular veins fascia skin
Posterior border of the isthmus
2nd, 3rd, 4th tracheal rings
______ N supplies the M of the larynx
Recurrent Laryngeal N
Location of the recurrent laryngeal N
btw the trachea and esophagus
______ N assists in voice production
recurrent laryngeal N
_______ A accompanies the external laryngeal N
Superior thyroid
______ A accompanies the recurrent laryngeal N
Inferior laryngeal artery
cc if _____M is cut you will have a monitone voice
cricothyroid
Fxn of the cricothyroid
to pull the thyroid cart. forward
Name the 3 arteries that suppy to the thyroid gland
superior thyroid
inferior thyroid
thyroidea ima
Superior thyroid is a branch of the _____
ECA
Inferior thyroud is a branch of the _______
thyroid cervical trunk (from the subclavian)
Thyroidea ima is a branch of the ______A
brachiocephalic art
Superior thyroid & Middle thyroid V drain into ____
IJV
Inferior thyroid V drain into the ____
brachiocephalic
Hormonal regulations for the thyroid gland
hypothalmus
pituitary gand
Which is more abundant thyroid hormone : T3 or T4
T3
T4: is more active though
Wich is the more active hormone of the thyroid gland? T3 or T4
T4
What does the parafollicular cells secrete
calcitonin
: causes decrease of Ca in the blood
Increases osteoblast activity
Fxn of calcitonin
: causes decrease of Ca in the blood
Increases osteoblast activity
What cells produce calcitonin
parafollicular
What cells of the thyroid secrete T3 and T4
Follicular cells
Fxn of parathyroid hormone
Increases Ca in blood
C.C hyperthyroidism cause _____ which causes the eyes to bulge
exophthalmus
The eyes are exiting
C.c. hypothyroidism causes ___ condition in adults
myxedema
c.c. hypothyroidism causes _____ condition in children
cretinism
stunted mental growth
C.c. condition that is caused by hypoparathyroidism
hypocalcemic tetany
Chostek’s sign
C.C. condition that shows hyperexcitability of the facial nerve when tapped on
What is the sign called?
hypocalcemic tetany
chostek’s sign
trousseau’s sign
c.c. muscular hypotonia and weakness can be a cause of _____
hypercalcemia from hyperparathyroidism
Ca + levels assist with (3) :
M contraction
coagulation
neuroconduction
C.c. an increase in renal stones can be a cause of what type of thyroid disorder
hyperparathyroidism
(to much Ca+. It is over saturated and condenses as stones
The trachea starts at the level of _____ vertebra
C6
The trachea is a conti. of ____
larynx
The trachea leaves the neck by passing through the _____
thoracic inlet
The trachea splits inot primary bronchi at ____ vertebrae level
btw T4-T5
Sensory innervation of the trachea
recurrent laryngeal
branch of the vagus N. = PS
______N provides PS motor to the trachealis M
Vagus
_____N provides secretomotor innervation to the tracheal glands
Vagus
The SP trunk provides ______ to the tracheal blood vessels
vasomotor
vasomotor is _____ fiber type
PS
vasomotor is _____fiber type
SP
The esophagus is conti. with the ____
pharynx
The pharynx meets the esophagus at ____ level
C6
Esophagus passes through the ____& _____ mediastinum
superior and psterior
The esophagus pierces the diaphragm at ____ level
T10
Nerve supple of the esophagus plexus
SP THORACIC SPLANCHNIC T1-T4
PS Vagus
Blood supply to the cervical portion of the esophagus
inferior thyroid artery
Blood to the throacic portion of the esophagus
esophageal artery
