Axial Skeleton, Histology, and Skull Bone Features w pictures

Vocabulary flashcards covering axial bones, vertebral sections, sternum, skull bone features, sutures, fetal skull structures, and histology.

Cervical Vertebrae

Bone group comprising everything above the ribs (7 vertebrae).

Atlas Vertebra

Bone that holds the skull; described as Yoda/syd the sloth.

Axis Vertebra

Bone where skull rotates; described as thumbs up.

Dens (Axis)

Sticky up part structure of axis (thumb).

Transverse Foramen (Cervical)

Hole described as 'eye holes' in cervical vertebra.

Thoracic Vertebrae

Bone section where ribs start to ribs end (giraffe).

Lumbar Vertebrae

Bone section comprising everything below ribs (moose).

Body (Vertebra)

Structure that holds weight; solid portion of vertebra.

Spinous Process

Point structure of vertebra.

Vertebral Foramen

Hole where the spinal cord passes through.

Transverse Process

Structure consisting of two parts that stick off sides of vertebra.

Sacrum Bone

Bone located at the base of spine.

Lateral Sacral Crest

Structure on the sides of sacrum.

Median Sacral Crest

Structure down the middle of sacrum.

Auricular Surface of the Sacrum

Sacral structure where hips connect.

Sacral Foramina

Holes in sacrum.

Coccyx Bone

Bone where pelvis connects.

Sternum

Bone where ribs meet at the front.

Jugular Notch

Notch structure at the top of manubrium.

Clavicular Notch

Structure where the collarbone meets sternum.

Manubrium

Top structure of sternum.

Body (Sternum)

Middle structure of sternum where ribs meet.

Xiphoid Process

Tail structure of sternum.

True Rib

Rib bone connected to sternum.

False Rib

Rib bone connected by cartilage.

Floating (False) Rib

Rib bone that is not connected.

Hyoid

Bone that protects esophagus.

Frontal

Forehead bone.

Parietal

Bone at middle/top of skull.

Occipital

Bone at back of skull.

Temporal

Temple bone.

Sphenoid

Bone between temporal and frontal (butterfly).

Ethmoid

Flat bone in nose and inside eyes.

Nasal

Bridge of nose bone.

Lacrimal

Bone right inside eyes (tear duct).

Zygomatic

Cheek bones.

Inferior Nasal Concha

Bone described as 'C' in nose.

Mandible

Bottom of jaw bone.

Palatine

Hard palate bone inside mouth.

Vomer

Bottom of flat bone in nose.

Maxilla

Top jaw bone.

Bone (Tissue)

Tissue found in bones that supports and protects.

Osteocyte

Cell in bone tissue appearing as a small black dot that creates boney tissue.

Hyaline Cartilage

Tissue found in embryonic skeleton that supports and reinforces.

Elastic Cartilage

Tissue found in external ear that maintains shape for structure.

Fibrocartilage

Tissue in intervertebral discs that provides tensile strength and absorbs shock.

Chondrocyte

Cell found in all cartilage.

Supraorbital Foramen

Hole in Frontal bone located above eye.

Glabella

Frontal bone structure located between eyes.

Foramen Magnum

Hole in Occipital bone.

Occipital Condyles

Occipital bone structure described as side neck hole.

Hypoglossal Canal

Hole in Occipital bone running through condyle.

Zygomatic Process

Structure located on Temporal bone.

External Acoustic Meatus

Hole in Temporal bone located behind zygomatic process.

Internal Acoustic Meatus

Hole in Temporal bone located inside on ridge.

Foramen Lacerum

Hole in Temporal bone.

Mastoid Process

Structure located on Temporal bone.

Styloid Process

Temporal bone structure that looks like tooth; located behind jaw.

Jugular Foramen

Hole in Temporal bone described as skinny spick.

Carotid Foramen/Canal

Hole in Temporal bone described as 'J' shaped hole.

Mandibular Fossa

Temporal bone structure located in front of jugular.

Sella Turcica

Sphenoid bone structure where mandible connects.

Optic Foramen/Canal

Hole in Sphenoid bone with saddle structure.

Superior Orbital Fissure

Hole in Sphenoid bone inside eye.

Inferior Orbital Fissure

Hole in Sphenoid bone appearing as slash at top of eye socket.

Foramen Rotundum

Hole in Sphenoid bone at bottom of eye socket.

Foramen Ovale

Hole in Sphenoid bone described as front hole between saddle.

Foramen Spinosum

Hole in Sphenoid bone shaped like oval.

Pterygoid Process

Sphenoid structure located on slide of side of nasal cavity.

Olfactory/Cribriform Foramina

Tiny hole(s) in Ethmoid bone for smell.

Perpendicular Plate

Ethmoid bone structure running top down in nose.

Crista Galli

Ethmoid bone structure described as bulb in front of olfactory.

Lacrimal Fossa

Hole in Lacrimal bone located in inner corner of eye.

Condylar Process

Mandible structure for back of jaw attachment.

Mandibular Foramen

Hole in Mandible inside the back of the jaw.

Mental Foramen

Hole in Mandible known as chin hole.

Mandibular Ramus

Structure on Mandible described as back of jaw think.

Coronoid Process

Structure on Mandible for front of jaw connection.

Infraorbital Foramen

Hole in Maxilla located at bottom of eyes.

Intermaxillary Suture

Suture in Maxilla forming a line in middle both inside and out.

Coronal Suture

Suture between Frontal and Parietal bones (F/P) that separates frontal and parietal.

Sagittal Suture

Suture between Parietal bones (P/P) that separates two halves of parietal.

Squamous Suture

Suture between Parietal and Temporal bones (P/T) that separates temporal and parietal.

Lambdoid Suture

Suture between Parietal and Occipital bones (P/O) that separates parietal from occipital.

Occipitomastoid Suture

Suture between Occipital and Temporal bones (O/T) that separates occipital from temporal.

Fontanelle

Fetal skull structure described as a soft spot.