Neck - Pelvis Flashcards
Occupies the region between the skull and the thorax
Neck
Being defined by an imaginary line extending from the inferior border of the symphysis mentis to the external occipital protuberance
upper limit (neck)
Being defined by a line extending from the supra-sternal notch to the superior border
lower limit (neck)
its divides into anterior and posterior portion?
Neck
Consist of two lateral lobes connected together at the lower third by a narrow median portion called “isthmus”
Thyroid Gland
The tubular invagination from the root of the tongue
Foramen cecum
It grows downward in front of the trachea and thyroid cartilage to reach the position it will occupy as the adult gland?
Foramen cecum
The thyroid hormone s actually two physiologically active hormones known as?
T4 (thyroxine) and T3 (triiodothyronine)
Its primary function is to control the rate of the body metabolism abd cellular oxidation
Thyroid Hormone (TH)
Hyposecretion of thyroid hormone leads to a condition of mental and physical slunggishness which is called?
“Hypothyroidism or Myxedema”
Hypersecretion of thyroid hormone causes elevated metabolic rate, nervousness, weight loss, sweating and irregular heartbeat is called?
“Hyperthyroidism or Grave’s disease”
are found embedded in the posterior surface of the thyroid gland?
Parathyroid Glands
It is the most important regulator of calcium balance f the blood?
Parathyroid hormone (PTH)
It also stimulates the kidneys to convert vitamin D to its active D3 form calcitriol, which is required for the absorption of calcium from food.
Parathyroid Hormone (PTH)
Serves as the passage of both air and food and is common to the respoiratory and dogestive system
Pharynx / Throat
It is a musculo-membranous, tubular structure situated in front of the vertrebrae and behind the nose, the mouth and larynx.
Pharynx / Throat
Pharyngeal cavity is subdivided into:
Nasopharynx
Oropharynx
Laryngopharynx / Laryngeal part
Is the organ voice. It serve also as the air passage between the pharynx and the trachea?
Larynx
It is suspended from the hyoid bone and extends from the level of the superior margin of the fourth cervical vertebra to its junctions with the trachea?
Larynx
Larynx is composed of 9 Cartilages:
3 single and 3 paired
3 Single: 3 Paired
epiglottis arytenoid
thyroid cartilage corniculate
cricoid cartilage cuneiform
Two most prominent are the large shield-shaped ?
Thyroid cartilage
Whose anterior medial laryngeal prominence is commonly referred to as Adam’s Apple?
Thyroid cartilage
The inferiorly located, ring-shaped?
Cricoid cartilage
Whose widest dimension faces posteriorly?
Cricoid cartilage
A flexible elastic cartilage located superior to the opening of the larynx?
Epiglottis
A flexible elastic cartilage located superior to the opening of the larynx?
Epiglottis
sometimes referred to as the “guardian of the airways” form a lid over the larynx when we swallow?
Epiglottis
This closes off the respiratory passageways to incoming food or drink, which is routed into the posterior esophagus?
Epiglottis
The mucous membranes of the larynx is thrown into two pairs of fold:
the upper vestibular folds or false vocal cords
the lower vocal cords or true vocal cords