Anatomy Flashcards
(25 cards)
What three parts is the skull divided into?
Neuro-cranium
Facial skull
Mandible
What three parts make up the skull bone?
External table
Diploe
Internal table
What part of the skull houses red marrow?
Diploe (spongy/trabecular bone)
What bones does the sagittal suture lie between?
Parietal bones
What bones does the coronal suture lie between?
Parietal and frontal bones
What bones does the lambdoid suture lie between?
Parietal and occipital bones
The occipital protuberance is a bony feature of?
The occipital bone
The mastoid process is a bony feature of?
The temporal bone
The zygomatic arch is a bony feature of?
Zygoma and temporal bones
The styloid process is a bony feature of?
The temporal bone
The occipital condyles are bony features of?
The occipital bone
What three bones make up the ossicles of the ear?
Malleus (hammer)
Incus (anvil)
Stapes (stirrup)
What are the layers of the scalp?
Skin Connective tissue (Dense) Aponeurosis Loose connective tissue Periosteum (Pericranium)
The third layer of the scalp is formed from the aponeurosis of which muscle?
Frontal and occipital bellies of occipitofrontalis
What nerves supply the anterior part of the scalp?
Ophthalmic, Maxillary and Mandibular branches of the trigeminal nerve
What nerves supply the posterior part of the scalp?
Cutaneous branches of C2 and C3
Which artery in the neck is the superficial temporal artery a branch of?
External carotid artery
Do wounds to the scalp bleed sparingly or profusely?
Profusely, the blood vessels do not constrict
What nerve innervates sternocleidomastoid?
The accessory nerve
What is the function of the eustachian tube?
Pressure equalisation and mucus drainage
Which nerve innervates the muscles of facial expression?
Facial Nerve (CN VII)
Which foramen does the facial nerve exit onto the side of the face?
Stylomastoid foramen
What are the signs of a facial nerve palsy?
- Inability to close the eyelids
- Drooping of the corner of the mouth
- Dribbling from the cheek during chewing
What are the three pairs of salivary glands?
Parotid
Submandibular
Sublingual