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braincase

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
brain·case also brain case  (brnks)
n.
The part of the skull that encloses the brain; the cranium. Also called brainpan.
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.braincase - the part of the skull that encloses the brainbraincase - the part of the skull that encloses the brain
asterion - the craniometric point at the junction of the lamboid suture and the occipitomastoid suture and the parietomastoid suture
stephanion - the craniometric point on the coronal suture above the acoustic meatus
bone, os - rigid connective tissue that makes up the skeleton of vertebrates
ethmoid, ethmoid bone - one of the eight bones of the cranium; a small bone filled with air spaces that forms part of the eye sockets and the nasal cavity
os temporale, temporal bone - a thick bone forming the side of the human cranium and encasing the inner ear
skull - the bony skeleton of the head of vertebrates
calvaria, skullcap - the dome of the skull
frontal bone, os frontale, forehead - the large cranial bone forming the front part of the cranium: includes the upper part of the orbits
parietal bone - either of two skull bones between the frontal and occipital bones and forming the top and sides of the cranium
occipital bone - a saucer-shaped membrane bone that forms the back of the skull
coronal suture, sutura coronalis - the suture between the parietal and frontal bones of the skull
frontal suture, sutura frontalis - the suture between two halves of the frontal bone (usually obliterated by the age of 6)
lamboid suture, sutura lamboidea - the suture between the occipital and parietal bones
occipitomastoid suture - the suture between the occipital and the temporal bones; a continuation of the lamboid suture
parietomastoid suture - the suture between the parietal and the temporal bones
interparietal suture, sagittal suture, sutura sagittalis - the suture uniting the two parietal bones
fontanel, fontanelle, soft spot - any membranous gap between the bones of the cranium in an infant or fetus
foramen magnum - the large opening at the base of the cranium through which the spinal cord passes


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Analysis of the braincase, though, ties the new species closely to tyrannosaurs.
Scientists who uncovered the ancient braincase and partial upper jaw say that this evidence, combined with prior fossils, indicates that two Homo species lived simultaneously in eastern Africa from about 1.
Their prominent foreheads, flat faces and long braincases link them to modern humans.
 
 
 
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