WSU Bio 315 Lab Exam 1 Rated A+

WSU Bio 315 Lab Exam 1 Rated A+ Cranial cavity Where brain is Calvaria The "skull cap" Cranial Base The floor of the cranial cavity Anterior Cranial Fossa Top Middle Cranial Fossa Middle Posterior Cranial Fossa Bottom, back of head Orbits "Eye sockets" Nasal cavities Space where nose is Bony nasal septum Line down center, divides Piriform aperture Piriform = pear shaped Outside/outline of nose Hard palate Roof of mouth, "brain freeze" Zygomatic arch Bone in cheek Infratemporal fossa Space behind zygomatic arch Coronal Suture Corona = crown, where crown would sit on head, side to side front Lambdoidal Suture Shaped like the Greek letter lambda, curved back Sagittal Suture Sagittarius is the archer--think of an arrow, straight down center, cuts in half Squamous Suture Scaly (like fish), side of skull, where ear would be Supraorbital Margin Above eye Parietal Bones Top of head Occipital Bone Back of head External Occipital Protuberance Occipital Condyles Articulate with the first cervical vertebra, bumps on back, smooth Nuchal lines Nucha = nape of neck, back side Mastoid Process Behind zygomatic processes Styloid Process Pointy, medial anterior