any of the convolutions of the outer surface of the occipital lobe of the cerebrum
occipital lobe
Noun
that part of the cerebral cortex in either hemisphere of the brain lying in the back of the head
occipital cortex
Noun
that part of the cerebral cortex in either hemisphere of the brain lying in the back of the head
occiput
Noun
back part of the head or skull
os frontale
Noun
the large cranial bone forming the front part of the cranium: includes the upper part of the orbits
occipital bone
Noun
a saucer-shaped membrane bone that forms the back of the skull
occipital protuberance
Noun
prominence on the outer surface of the occipital bone
orchis
Noun
one of the two male reproductive glands that produce spermatozoa and secrete androgens
orchis
Noun
any of various deciduous terrestrial orchids having fleshy tubers and flowers in erect terminal racemes
oesophagus
Noun
the passage between the pharynx and the stomach
ovary
Noun
(vertebrates) one of usually two organs that produce ova and secrete estrogen and progesterone
ovary
Noun
the organ that bears the ovules of a flower
ovotestis
Noun
hermaphroditic gonad that contains both testicular and ovarian tissue
occipitomastoid suture
Noun
the suture between the occipital and the temporal bones
oropharynx
Noun
cavity formed by the pharynx at the back of the mouth
oviduct
Noun
either of a pair of tubes conducting the egg from the ovary to the uterus
oesophagogastric junction
Noun
the junction between the esophagus and the stomach epithelium
onyxis
Noun
toenail having its free tip or edges embedded in the surrounding flesh
omphalos
Noun
a scar where the umbilical cord was attached
omphalus
Noun
a scar where the umbilical cord was attached
odontoid process
Noun
a toothlike process at the back of 2nd vertebra of the neck
olecranon
Noun
process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended
olecranon process
Noun
process of the ulna that forms the outer bump of the elbow and fits into the fossa of the humerus when the arm is extended
olfactory organ
Noun
the organ of smell and entrance to the respiratory tract
olfaction
Noun
the faculty that enables us to distinguish scents
olfactory modality
Noun
the faculty that enables us to distinguish scents
oenology
Noun
the art of wine making
obliviousness
Noun
total forgetfulness
oblivion
Noun
total forgetfulness
oblivion
Noun
the state of being disregarded or forgotten
oarsmanship
Noun
skill as an oarsman
organon
Noun
a system of principles for philosophic or scientific investigations
oxyopia
Noun
unusually acute vision
overtone
Noun
a harmonic with a frequency that is a multiple of the fundamental frequency
overtone
Noun
(usually plural) an ulterior implicit meaning or quality
opposite number
Noun
a person or thing having the same function or characteristics as another
object recognition
Noun
the visual perception of familiar objects
overconfidence
Noun
total certainty or greater certainty than circumstances warrant
olfactory sensation
Noun
the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form
olfactory perception
Noun
the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form
obsession
Noun
an unhealthy and compulsive preoccupation with something or someone
obsession
Noun
an irrational motive for performing trivial or repetitive actions, even against your will
operant conditioning
Noun
conditioning in which an operant response is brought under stimulus control by virtue of presenting reinforcement contingent upon the occurrence of the operant response
overvaluation
Noun
too high a value or price assigned to something
overvaluation
Noun
an appraisal that is too high
overrating
Noun
a calculation that results in an estimate that is too high
overreckoning
Noun
a calculation that results in an estimate that is too high