Sentences with word «medulla»

The word "medulla" refers to the inner part of certain body structures, such as the brain or the kidneys. It is often associated with key functions and important control centers that help regulate vital processes in the body. Full definition
In the chromaffin cells of adrenal medulla, paracrinally or autocrinally released neurotransmitters induce profound changes in Ca2 + channel gating and Ca2 + - dependent events controlling catecholamine secretion and cell activity.
«Dreams turned off and on with a neural switch: Activating small group of neurons in medulla causes rapid transition to REM sleep.»
Therefore, fat is able to provide the necessary small amount of glucose for the brain, red blood cells and renal medulla.
This type of hair has two layers of hair structure, namely the cuticle and the cortex and might have medulla as well.
Some organs, such as the kidney medulla, testes, and parts of the brain, rely on glucose to function.
Unfortunately, most adrenal medulla tumors are large by the time they are diagnosed because few of them produce hormones and so there are no early clinical signs.
One of the headlines that caught the attention of my «medulla oblonganta» is «Hannah Tetteh's son in a sex scandal».
The brain for example has different layers, so does skin: the thymus on the other hand consists of connected lobules with medullas inside.
Here we develop a semi-automated pipeline using electron microscopy to reconstruct a connectome, containing 379 neurons and 8,637 chemical synaptic contacts, within the Drosophila optic medulla.
If we're always calling on our epinephrine to get us up and going, eventually we fall prey to an imbalance and our adrenal medulla becomes exhausted.
In fact, the vitamin plays a crucial role in both the adrenal cortex and adrenal medulla which are responsible for responding to stress.
CB, cerebellum; PM, pons medulla; MB, midbrain; HIP, hippocampus; STR, striatum.
Materials: Radobaan shell, Radobaan scale, Radobaan oilshell (break head / tail), Radobaan marrow (break tail), Wyvern Gem, Radobaan carapace (higher ranks only), Radobaan medulla (higher ranks only), Monster Bone L, sleep sac, coma sac (higher ranks only)
In the instance of CM / SM the cerebellum and medulla extend into or through the foramen magnum which is occluded with little or no CSF around the neural structures.
We can describe magnetic resonans imaging findings as a narrow subarachnoid space in cervicomedullar junction, occipital bone compression on caudal cerebellum, rostral movement of caudal cerebellum, syringomyelia, cerebellar herniation from foramen magnum and kinked appearance of caudal medulla.
Each gland consists of an outer cortex and an inner medulla.
In classical CM, the cerebellum and medulla herniate into or through the foramen magnum.
Hepatic and renal (liver and kidney) gluconeogenesis is now providing all the glucose, but only the brain, red blood cells and the renal medulla (the inner part of the kidney) uses glucose.
From each brainstem, 2 blocks of medullary tissue (3 mm) were collected: 1 from the mid-medulla, at the level of the nucleus of Roller (corresponding to Plate X in the atlas of Olszewski and Baxter18) and 1 from the rostral medulla, at the level of the nucleus praepositus (corresponding to Plate XII in that atlas)(Figure 1).
Isolation of neural crest derived chromaffin progenitors from adult adrenal medulla.
(not to ruin a good story, but the medulla oblongata helps regulate breathing, heart and blood vessel function, digestion, sneezing, and swallowing.
The fact that a mob of reactive emotional zealots obsess on «the right to bear arms» while disregarding in toto the phrase «a well - regulated militia» displays nothing but red meat politics dominated by the medulla oblongata, with very little involvement of the cerebrum.
Dopamine - β - hydroxylase is an enzyme that is localized to catecholamine - containing vesicles in sympathetic nerves and the adrenal medulla, and is also found in the serum.
The decrease is not due to an effect on the adrenal medulla or to an increase in circulating inhibitor or inhibitors of enzyme.
In the brain stem, regions called the medulla and the pons control the depth and rate of breathing.
It all originates in a part of the brain stem called the medulla oblongata, which is present in countless other animals that sneeze pretty much the same way we do.
The microscopic image shows a lymph node where the PLVAP protein (in green) appears both in the blood vessels in the medulla and in the lymph vessels immediately beneath the capsule.
Glucocorticoids regulate catecholamine biosynthesis in the adrenal medulla and catecholamines stimulate adrenocorticotropin release from the anterior pituitary.
Using a submicron X-ray beam and transmission electron microscopy, they were able to spatially resolve the local structure of the three main regions of human hair: medulla, cortex and cuticle.
Prominent among these responses are the secretion of catecholamines from the adrenal medulla, corticosteroids from the adrenal cortex, and adrenocorticotropin from the anterior pituitary.
The GABAergic neurons project from the ventral part of the medulla, which sits at the top of the spinal cord, into many regions of the brainstem and hypothalamus, and thus are able to affect many bodily functions.
Dan, Weber and their colleagues chose a powerful technique called optogenetics to study these REM - related GABAergic neurons in the medulla.
Dan suspects that these GABAergic neurons in the medulla have the opposite effect of stress neurons, such as the noradrenergic neurons in the pons, another ancient part of the brain.
So it seems like when you are relaxed and enjoying yourself, the noradrenergic neurons switch off and these GABAergic neurons in the medulla turn on,» she said.
Using this genetically engineered strain of mice, the researchers mapped the activity of these neurons in the medulla and then recorded how activating or inactivating the neurons for brief periods affected sleep and waking behavior.
They also inserted the light - sensitive ion channels into a different set of neurons in the medulla: glutamatergic neurons, which release the neurotransmitter glutamate.
«People used to think that this region of the medulla was only involved in the paralysis of skeletal muscles during REM sleep,» said lead author Yang Dan, a UC Berkeley professor of molecular and cell biology and a Howard Hughes Medical Institute Investigator.
When a laser triggers an optogenetic switch in neurons in the medulla of a sleeping mouse, the animal goes from non-REM sleep (NREM) into REM or dream sleep.
The researchers inserted an optogenetic switch into a group of nerve cells located in the ancient part of the brain called the medulla, allowing them to activate or inactivate the neurons with laser light.
The protein first moved from the midbrain to the «medulla oblongata,» the lowest brainstem region; in the medulla oblongata, it was detected within neurons whose long fibers form the «vagus nerve.»
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