Lab Exam 1 Board Questions

Constructed from parts of the maxilla and palatine bones

Hard Palate

Constructed from parts of the zygomatic and temporal bones

Zygomatic Arch

The tiny holes are for the olfactory nerves

Cribriform Plate

Latin for Turkish Saddle. The pituitary gland rests here.

Sella Turcica

Below the tongue

Hypoglossal Canal

Filled with cartilage in the living. No structures pass completely through the______

Foramen Laceram

The largest sinus

Maxillary Sinuses

As many as 20 separate air spaces

Ethmoid Air Cells

These curvatures of the spine are present at birth

Primary Curvatures

These curvatures of the spine develop postnatally

Secondary Curvatures

Small bodies, small transverse foramina

Cervical Vertebrae

Large bodies and large, blunt spinous processes

Lumbar Vertebrae

the most protruding vertebra

Vertebra Prominents (C-7)

Made of 5 fused vertebrae

Sacrum

3-5 partially fused vertebrae

Coccyx

Made of the hyaline cartilage

Costal cartilages

Crow’s Beak

Coracoid Process

Common site of fractures

Surgical Neck

The “point” of the elbow

Olecranon

Latin=rough line

Linea Aspera

Usually 3 - they break the muscle into segments and form the “six pack”

Tendinous intersections

Closes the eyelids

Orbicularis Oculi

Compresses your cheeks so your food stays in your mouth - the trumpeters muscle

Buccinator

Not really medial, a better name is “deep head”

Medial Head

the “guns” of the arm

Biceps

About 20% of people don’t have this

Palmaris longis

Wraps around the upper radius - find it next to its antagonist=the pronator teres

Supinator

“anatomical snuffbox”

Extensor pollicis longus

40% of people don’t have one

Psoas minor

The psoas major and iliacus muscles fuse in the upper thigh

Iliopsoas

Forms the floor of the pelvic cavity - important because it supports the pelvic organs

Pelvic Diaphragm

Largest single muscle in the body

Gluteus Maximus

The longest muscle in the body

Sartorius

attaches lateral to the sharp ridge of the “shin bone.” Microtears here cause “shin splints”

Tibialis anterior muscle

Subscapularis origin

Subscapular fossa

Subscapularis Insertion

Lesser tubercle of humerus

Subscapularis Actions

Medially rotates the arm at the shoulder