The Adult Skull · Head & Neck · Anatomy

Study path

Follow the order or jump to the concept you need. Every topic has a Deep Learning and a High-Yield view of the same facts, and ends with a short knowledge check.

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118 minUp nextOrientation: finding your way around a skullBefore you name a single bone, fix the frame of reference: how the head is held, whose left and right you mean, and what each standard view is for. Everything later in the unit is described in these terms.Anatomical position, applied to the headWhose left? The patient's left and rightDirectional terms on the skullThe standard views and what each is for+3
215 minThe 22 bones in two groupsAn adult skull is 22 bones: 8 cranial bones around the brain and 14 facial bones around the mouth, nose and eyes. Learn the inventory once, with its pairs and its exclusions, and every later detail has a place to go.Twenty-two bones: 8 cranial and 14 facialPaired and unpaired: why left and right count separatelyWhat is not counted: teeth, ossicles, hyoidA reliable way to count them+1
365 minThe bones one by one, and the sutures that join themThirteen short lessons take the skull apart and put it back together. Eleven go through the cranial and facial bones in the same order every time: where the bone is, its parts and landmarks, its neighbors, the best view, and one clinical relationship. The last two reassemble the skull: the mandible with its two movable joints, and the sutures that lock the other 21 bones into one piece.Frontal boneParietal bonesOccipital boneTemporal bones+9
430 minThe cranial base and the spaces of the skullLift off the skull cap and the floor under the brain turns out to be three steps going down from front to back. In front of and below those steps lie the orbits, the nasal cavity and the palate. This section teaches each space by its walls: which bone forms each wall, and what lies on the other side of it.Three steps down: the cranial fossaeWhere the boundaries run: sphenoid, petrous ridges, occipital boneThe external base in outlineThe orbit: seven bones, four walls and an apex+3
545 minOpenings and what passes through themEvery nerve and vessel that enters or leaves the cranial cavity uses a named opening. Learn each one as a doorway: which bone it pierces, which two spaces it joins, what goes through it, and how its position separates it from the opening next door.How to read an openingAnterior cranial fossa: the cribriform plateMiddle cranial fossa: five openings in the sphenoid, and the carotid canal beside themPosterior cranial fossa: four openings around the brainstem+5
625 minIdentify structures on the specimenNaming a structure from a list is recall. Putting a fingertip on it is a different skill, and it is the one that a practical examination, a radiograph and an operating field all ask for. This section gives you one routine that finds any structure on the skull, the few look-alikes behind most wrong answers, and practice on the specimen with the labels switched off.One routine for any structure: view, anchor, side, neighborsLook-alikes: five traps and the cue that separates each pairPractice on the specimen

Practice

Interactive labPoint to identify (bones, sides, landmarks and openings), Almost Twins and The Missing Arrow. Each also appears inside the topic where it helps most.High-yield cards40 cards on clues, comparisons and mechanisms worth recalling.Unit reviewBringing it together: a blow to the temple, then 16 mixed case-based questions with explanations.Sources and coverageWhat each reference card and scope item covers (35 items), linked to where it is taught and practised, with the source map.

How the ideas connect

7 bridges carry one concept into the next, within this chapter and across chapters. Each is taught where you first need it.