SPUAD 210- Feb 2nd- Skeletal and Lungs

Rickets

a disease caused by vitamin D deficiency causing malformed bones. Malformation of the ribs causes breathing difficulties.

Costal Groove

Section of shaft containing intercostal nerves and blood vessels

What vertebrae does R7 touch?

T6 and T7

Number the true ribs

1-7

Number the false ribs

8-10

Number the floating ribs

11-12

Chondral Rib

The cartilaginous segment of the rib

Torque

the amount a bone can twist, or the action of it twisting. Ribs do this in respiration.

Symphysis

Midline

Visceral

Interior

Three Filter Methods

1. Nostril Hairs

2. Cells within mucosal lining of pharynx and larynx

3. Ciliated columnar and pseudostratified epithelial tissue

Lobar Bronchus

a secondary bronchi

Angle of Right Bronchi

20-30 degrees

Angle of Left Bronchi

40-50 degrees

Number of divisions beyond tertiary bronchi

27-28

Terminal Bronchioles

location of alveoli

Type 1 Alveolar Cells

engage in gas exchange

Type 2 Alveolar Cells

produce surfactant to maintain structure of alveoli

Respiratory Distress Syndrome

found in premature infants, who do not produce sufficient surfactant, causing low oxygen supply due to alveolar collapse.

Emphysema

a disease caused by genetics, smoking, or protein deficiency. It destroys the epithelial tissue of the respiratory tract and causes loss of surface area in alveoli.

Costal Surface

The outside of the lung which touches the rib