Bio 223A Exam 2 Part 2 Flashcards
Exam 2 chapter 7,8
What does the coronal suture connect to?
Frontal and parietal bones
What does the squamous suture connect to?
Temporal and parietal
What does the lambdoid suture connect?
Parietal and occipital bones
What does the sagittal suture separate?
Two parietal bones from each other
What does the intermaxillary suture separate?
Separates maxilla into two
What do the ligaments nuchae do?
Neck ligament, holds the head up, plays a role in posture
Where is the foramen magnum?
Occipital bone, big hole for spine
Where is the mastoid process?
Temporal bone
What structure are the mastoid processes close to?
Ear
Where is the palatine process found?
Maxilla
Zygomatic common name
Cheek bone
Sternum common name
Breastbone
Clavicle common name
Collar bone
Scapula common name
Shoulder blade
Coccyx/coccyx common name
tailbone
What bone forms the roof of your mouth?
Palatine and maxilla
What does the pituitary gland sit on?
Sella turcica of the sphenoid bone
Where do you find the optic foramen?
In your orbit, posterior part
If you have a fractured mandible, where is your break?
Jaw
If you have a traumatic hyperextension of your neck, what is it called?
Whiplash
Functions of the vertebral column
Protection, support, movement, shock absorption, muscle attachment, blood cell production
Hyoid bone
Only bone that doesn’t come in contact with any other bones
Vertebral column
Spine
What does the hyoid bone do?
Provides attachment points for muscles involved in swelling and speech
What are the bones in the vertebral column called and how many are there
33 bones called vertebrae
Paranasal Sinuses
Reduces weight of skull and enhance voice resonance, filter, warm and humid inspired air, communicate with adjacent nasal cavity through small bone openings, allow air to flow in and out sinuses
Vertebral classifications
Cervical, thoracic, lumbar, sacral, coccygeal/coccyx
How many cervical vertebrae are there?
7
How many thoracic vertebrae are there?
12
How many lumbar vertebrae are there?
5
How many sacral vertebrae are there?
5 fused
How many coccygeal vertebrae are there?
3-5 fused
What is the coccyx?
Tailbone
Interbral foramen
Spaces between movable vertebrae, spinal nerve roots pass through these foramina
Is the coccyx found in the most inferior or superior part of the vertebra
Inferior