Anatomy Practical 1 Flashcards
the pre central gyrus is also called the ?
primary motor cortex
the longitudinal fissure divides ?
right and left hemispheres
the central sulcus of rolando divides?
the frontal and parietal lobe
the precentral gyrus is also known as the ?
primary motor cortex
the postcentral gyrus is also known as?
the primary somatosensory cortex
the lateral fissure is also known as ?
the sylvian fissure
what is broca’s area ?
on the frontal lobe that is dominant for language development (usually left). involved in motor programming for speech production
what is wernicke’s area?
on posterior portion of superior temple, Jairus in the hemisphere, those dominant for language (usually left) involved in the ability to understand and produce meaningful speech
how many ribs are there?
7 true, 5 false (2 are floating)
a saggital cut can also be called ?
horizontal or axial
tell me about the anterior & posterier fontanelles in newborns ?
they close during the first 2 years of life. After 1 year they should be difficult to feel or locate because they will be so small.
what skeletal or metabolic disorders delay the closure of the anterior & posterior fontanelles in nerborns?
Hydrocelphalus & trisomies (presence of an extra chromosome) like down syndrome
portions of the foramen lacerum are blocked by ?
fibrocartilage
does the carotid canal pass through the foramen lacerum
what are the 4 divisions of the temporal bone ?
squamous, mastoid, petrous, & tympanic
CN I name & function?
Cranial Nerve 1
Olfactory bulb & nerve
Function : Smell
CN II name & function?
Cranial Nerve 2
Optic (nerve,chiasm,& tract) nerve
Function : vision
CN III name & function?
Cranial nerve 3
Oculomotor Nerve
Function : eye movement (elevation & adduction)
CN IV name & function?
Cranial Nerve 4
Trocchlear nerve
Function : eye movement (depession of adducted eye)
CN V name & function?
Cranial Nerve 5
Trigeminal Nerve
Function : facial sensation - contributes to smell for noxious/painful irritants, sensory, muscle spindles & mechanoreceptors, mastication
CN VI name & function?
Cranial nerve 6
Abducens Nerve
Function : eye movement - abduction
CN VII name & function?
Cranial Nerve 7
Facial Nerve
Function : facial expressions, taste buds of tongue & palate, salivation, lacrimation
CN VIII name & function?
Cranial Nerve 8
Vestibulocochlear Nerve
Function : balance & hearing
CN IX name & function?
Cranial Nerve 9
Glossopharyngeal Nerve Function : taste & innervation of pharnyx
CN X name & function?
Cranial Nerve 10
Vagus Nerve
Function : swallowing & talking, cardiac & GI tract & respiration, & taste
CN XI name & function?
Cranial Nerve 11
Spinal Accessory Nerve
Function : pharynx & larnyx muscles, neck & shoulder movement
CN XII name & function?
Cranial Nerve 12
Hypoglossal Nerve
Function : tongue movement
What are the lobes of the brain?
frontal, parietal, temporal, occipital, insula, limbic
Tell me about the internal auditory canal anatomy
Cranial Nerve 7 is on top which is the facial nerve. Cranial nerve 8 is on the bottom which is the Vestibucochlear nerve. (7up, Coke down)
what are the cranial bones? how many are there of each?
1 frontal, 2 parietal, 2 temporal, 1 occipital, 1 ethmoid, 1 sphenoid
what are the facial bones? how many are there of each?
2 nasal, 1 mandible, 2 maxilla, 1 vomer, 2 zygomatic, 2 lacrimal, 2 nasal conchae, 2 palatine