Download Anatomy of the Skull: Bones, Sutures, and Foramina and more Quizzes Physiology in PDF only on Docsity!

Frontal Bone

The frontal bone or os frontis is a bone in the human skull. The name comes from the Latin word frons. TERM 2

Parietal Bone

DEFINITION 2 The parietal bones are bones in the human skull which, when joined together, form the sides and roof of the cranium. TERM 3

Occipital Bone

DEFINITION 3 The occipital bone , a saucer-shaped membrane bone situated at the back and lower part of the skull, is trapezoidal in shape and curved on itself. TERM 4

Sphenoid Bone

DEFINITION 4 The sphenoid bone is an unpaired bone of the neurocranium. It is situated in the middle of the skull towards the front, in front of the temporal bone and basilar part of the occipital bone. TERM 5

Coronal Suture

DEFINITION 5 The coronal suture is a dense, fibrous connective tissue joint that separates the frontal and parietal bones of the skull.

Sagittal Suture

The sagittal suture is a dense, fibrous connective tissue joint between the two parietal bones of the skull. TERM 7

Lambdoid Suture

DEFINITION 7 The lambdoid suture is a dense, fibrous connective tissue joint on the posterior aspect of the skull that connects the parietal bones with the occipital bone. TERM 8

Maxilla

DEFINITION 8 The maxillae are the two maxilla bones forming the upper jaw and palate of the mouth. TERM 9

Mandible

DEFINITION 9 In vertebrates, the mandible, lower jaw or jawbone is a bone forming the skull with the cranium. TERM 10

What is Difference Between Mental and

Mandibular?

DEFINITION 10 Mental is located on the chin areaMandibular is located back farther, eventually forms the jaw hinge

Mental Foramen

The mental foramen is one of two holes located on the anterior surface of the mandible. It permits passage of the mental nerve and vessels. TERM 12

What Bone is the Zygomatic Process on?

DEFINITION 12 Temporal TERM 13

What Bone is the Temporal Process on?

DEFINITION 13 Zygomatic TERM 14

Zygomatic Bone

DEFINITION 14 In the human skull, the zygomatic bone is a paired bone which articulates with the maxilla, the temporal bone, the sphenoid bone and the frontal bone. TERM 15

Lacrimal Bone

DEFINITION 15 The lacrimal bone, the smallest and most fragile bone of the face, is situated at the front part of the medial wall of the orbit.

Ethmoid Bone

The ethmoid bone is a bone in the skull that separates the nasal cavity from the brain. TERM 17

Superficial to Deep: Name Bones of Nasal

Area

DEFINITION 17 Superior is Nasal- --> Lacrimal --> EthmoidInferior is Maxilla- TERM 18

Significance of a Foramen?

DEFINITION 18 Location where Blood vessels and nerves have a passageway through bone TERM 19

What is a Process?

DEFINITION 19 A site for muscle attachment:ex. Styloid, Mastoid TERM 20

Hyoid

DEFINITION 20 Free Floating Bone Located in the Neck AreaEasily Broken when Pressure is Placed on the NeckAllows the Swallowing Motion

Sternum

Connect with Costal Cartilage to Ribs 1-8Composed of Three Parts: 1. Manubrium2. Body3. Xiphoid TERM 22

True Ribs

DEFINITION 22 Full attachment, each has their own costal cartilage to sternum, Ribs # 1- TERM 23

False Ribs

DEFINITION 23 Non-Direct Attachment, Ribs # 8-10Utilize Rib 7 Attachment to Sternum TERM 24

Floating Ribs

DEFINITION 24

11 and 12 are free floating, DO NOT attach to Sternum