occipital lobe


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Related to occipital lobe: frontal lobe, parietal lobe, temporal lobe

lobe

 [lōb]
1. a more or less well defined portion of an organ or gland.
2. one of the main divisions of a tooth crown.
azygos lobe (lobe of azygos vein) a small anomalous lobe situated at the apex of the right lung, produced when the azygos vein arches over the upper part of the lung instead of at the hilus and presses deeply into the lung tissue to form a fissure that isolates a medial part of the lung.
caudate lobe a small lobe of the liver between the inferior vena cava on the right and the left lobe.
ear lobe the lower fleshy, noncartilaginous portion of the external ear.
flocculonodular lobe one of the main subdivisions of the cerebellum, located inferiorly, consisting of the paired flocculi, their peduncles, and the nodule of the vermis.
frontal lobe the anterior portion of the gray matter of each cerebral hemisphere.
hepatic lobe one of the lobes of the liver, designated the right and left and the caudate and quadrate.
l's of lung the five major subdivisions of the lungs. see accompanying illustration and see lung.
The lobes of the lungs. From Frazier et al., 2000.
occipital lobe the most posterior portion of each cerebral hemisphere, forming a small part of its posterolateral surface. See illustration.
The occipital lobe of the brain. From Applegate, 2000.
parietal lobe the upper central portion of the gray matter of each cerebral hemisphere, between the frontal lobe and the occipital lobe and above the temporal lobe. It is the receptive area for fine sensory stimuli, and the highest integration and coordination of sensory information is carried on here. Damage to it can produce defects in vision or aphasia.
polyalveolar lobe a congenital disorder characterized in early infancy by the presence of far more than the normal number of alveoli in a lobe of the lungs; thereafter, normal multiplication of alveoli does not take place and they become enlarged, i.e., emphysematous.
quadrate lobe
2. a small lobe of the liver, between the gallbladder on the right, and the left lobe.
Riedel's lobe an anomalous tongue-shaped mass of tissue projecting from the right lobe of the liver in some individuals.
spigelian lobe caudate lobe.
temporal lobe a long tongue-shaped process that is the lower lateral portion of each cerebral hemisphere.

oc·cip·i·tal lobe of cer·e·brum

[TA]
the posterior, somewhat pyramid-shaped part of each cerebral hemisphere, demarcated by no distinct surface markings on the lateral convexity of the hemisphere from the parietal and temporal lobes, but sharply delineated from the parietal lobe by the parietooccipital sulcus on the medial surface.
Synonym(s): lobus occipitalis [TA], occipital lobe [TA]

occipital lobe

n.
The posterior lobe of each cerebral hemisphere, having the shape of a three-sided pyramid and containing the visual center of the brain.

occipital lobe

one of the five lobes of each cerebral hemisphere, occupying a relatively small pyramidal part of the occipital pole. The occipital lobe lies beneath the occipital bone and presents medial, lateral, and inferior surfaces. Compare central lobe, frontal lobe, parietal lobe, temporal lobe.

occipital lobe

The rear lobe of the main brain (cerebral hemisphere). The occipital lobe is concerned with vision.

occipital lobe

the posterior area of the CEREBRAL HEMISPHERE lying behind the parietal lobe and responsible for the interpretation of visual stimuli from the retina.

lobe, occipital

Portion of each cerebral hemisphere posterior to the parietal lobe where visual information is received and processing begins. See visual area.

lobe

1. a more or less well-defined portion of an organ or gland.
2. one of the main divisions of a tooth crown.

caudate lobe
a small dorsally located lobe of the liver to the right of the caudal vena cava that frequently embraces the right kidney.
ear lobe
an elevated area of skin just below the external auditory meatus in birds.
frontal lobe
the anterior portion of the gray matter of the cerebral hemisphere.
hepatic lobe
one of the lobes of the liver.
occipital lobe
the most posterior portion of the cerebral hemisphere, forming a small part of its dorsolateral surface.
parietal lobe
the upper central portion of the gray matter of the cerebral hemisphere, between the frontal and occipital lobes, and above the temporal lobe. See also parietal lobe.
prefrontal lobe
the part of the brain rostral to the ascending convolution.
quadrate lobe
1. precuneus.
2. a small lobe of the liver, between the gallbladder on the right, and the left lobe.
temporal lobe
the lower lateral portion of the cerebral hemisphere.

occipital

pertaining to the occiput; located near the occipital bone, as the occipital lobe.

occipital bone
the unpaired bone constituting the back and part of the base of the skull. See also Table 10.
occipital crest
see external occipital crest.
occipital fracture
see basisphenoid fracture.
occipital lobe
see occipital lobe.
occipital somites
the most anterior of the embryo's somites; they are the origin of the occipital cartilages of the skull.
References in periodicals archive ?
Visual aura may show the spreading nature of seizures to the occipital lobe.
Posterior reversible encephalopathy syndrome (PRES) or reversible posterior leukoencephalopathy syndrome was first described by Hinchey, in 1996, as a reversible syndrome manifested with an acute headache, consciousness impairment, seizures, and visual deficits, associated with white matter changes predominately affecting the posterior parietal and occipital lobes of the brain but also involving the brainstem, cerebellum, and other cerebral areas [1-3].
8 [degrees]C) postoperatively, brain CT was obtained and showed multiple low-density lesions in temporal lobes, right parietal lobe, and occipital lobe, suggestive of cerebral embolism (Fig.
Occipital lobe is the primary area responsible for coordination of eye movements; also, is involved in linking visual images with previous visual experience and other sensory stimuli.
The occipital lobe is mainly for vision and visual memory.
11) Seizures may be singular or multiple in nature and may be associated with disturbances in vision, suggesting foci in the occipital lobe.
Surprisingly, our vision happens in the occipital lobe in the very back of the head.
In our patients, frontal lobe (n=4), parietal lobe (n=5), occipital lobe (n=4), temporal lobe (n=2), cerebellum (n=2), and thalamus (n=1) were involved.
Some experts in comparative anatomy, [5, 6] published about the diverse structures in the brain of non-human primates, such as the occipital body, the occipital lobe and the minor hippocampus (now calcar avis).
ACT scan, performed three days after the initial scan, showed a non-hemorrhagic infarction involving the right occipital lobe.