Ch 20 Neck Flashcards
(137 cards)
The neck has 8 bones, _ of which are cervical vertebrae and a _ bone
7, hyoid
The hyoid bone is _ shaped and lies on the _ portion of the neck between the _ and the _.
U, anterior, mandible and the larynx
The hyoid bone’s body sits _ and has 2 greater and lesser horns projecting _.
anteriorly , posteriorly
True or false: the hyoid bone articulates with CV3
FALSE; it doesn’t articulate with anything, just suspended by muscle
The _ AKA voice box is a cartilaginous organ located at the upper end of the _.
larynx, voicebox, trachea
The larynx consists of different cartilages but the largest is the _ cartilage
thyroid
larynx is AKA=
voice box
trachea is AKA =
windpipe
The _ AKA _ is a cartilaginous pipe that extends from the _ above coursing _ through the neck into the thorax
trachea, windpipe, larynx, inferiorly
The thyroid is an endocrine gland found on both _ of the trachea just _ the larynx
both sides, below
The _ of the thyroid connects its 2 _ across the trachea
isthmus, lobes
The parathyroid gland consists of - endocrine glands and is found on the _ surface of the thyroid gland
2-4, posterior
True or false: the thyroid and parathyroid are both supplied by the anterior and posterior thyroid arteries
FALSE
SUPERIOR and INFERIOR thyroid arteries
The muscle groups of the neck include (6):
-Platysma AKA Subcutaneous muscle
-Sternocleidomastoid
-INFRAhyoid muscles
-SUPRAhyoid muscles
-Scalene muscles
-Prevertebral muscles
Platysma is AKA=
Subcutaneous muscle ATTACHES TO THE SKIN
Platysma- origin-
Skin over the deltoid and pectoralis major muscles
think about shoulder and breast plates on deltoid and pecs of greek warriors
Platysma -insertion-
lower BORDER of the mandible
Platysma -action-
elevation of the skin OF the neck
Platysma -innervation-
CNVII AKA Facial Nerve
Sternocleidomastoid -origin-
STERNAL HEAD: manubrium of the sternum
CLAVICULAR HEAD: MEDIAL 3RD of the clavical
Sternocleidomastoid -insertion-
mastoid process of the skull
Sternocleidomastoid -action-
UNILATERAL: rotation of head to OPPOSITE side
BILATERAL: FLEXION of the head AT the neck
Sternocleidomastoid -innervation-
CNXI AKA Accessory Nerve
Infrahyoid muscles are AKA=
strap muscles