Information about Lobule
In anatomy, a lobe is a clear anatomical division or extension[1][2] that can be determined without the use of a microscope (at the gross anatomy level.) This is in contrast to a lobule, which is a clear division only visible histologically. [3]
In practice, this division can be somewhat subjective. For example, it can be difficult to precisely distinguish between a interlobar duct and a interlobular duct.
Furthermore, the distinction is not universally accepted, and some sources simply consider a lobule to be a small lobe.[4]
In practice, this division can be somewhat subjective. For example, it can be difficult to precisely distinguish between a interlobar duct and a interlobular duct.
Furthermore, the distinction is not universally accepted, and some sources simply consider a lobule to be a small lobe.[4]
Examples of lobes
- The four lobes of the human cortex
- the frontal lobe
- the parietal lobe
- the occipital lobe
- the temporal lobe
- The three lobes of the human cerebellum
- the flocculonodular lobe
- the anterior lobe
- the posterior lobe
- the earlobe
- lobes of the lung
- Right lung: superior, middle, inferior
- Left lung: superior and inferior
- the liver
- Left lobe of liver
- Right lobe of liver
- Quadrate lobe of liver
- Caudate lobe of liver
- the kidney
- Renal lobe and cortical lobule
References
1. ^ lobe at eMedicine Dictionary
2. ^ l_13/12500046 at Dorland's Medical Dictionary
3. ^ [1]
4. ^ l_13/12500626 at Dorland's Medical Dictionary
2. ^ l_13/12500046 at Dorland's Medical Dictionary
3. ^ [1]
4. ^ l_13/12500626 at Dorland's Medical Dictionary
Anatomy (from the Greek ἀνατομία anatomia, from ἀνατέμνειν
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Gross anatomy is the study of anatomy at the macroscopic level. The term gross distinguishes it from other areas of anatomical study, including microscopic anatomy, which must be studied with the aid of a microscope.
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Histology (from the Greek ἱστός) is the study of tissue sectioned as a thin slice, using a microtome. It can be described as microscopic anatomy.
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A interlobar duct is a gland duct which connects more than one anatomic lobe.
Examples of where it can be found include the parotid gland[1] and submandibular gland.
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Examples of where it can be found include the parotid gland[1] and submandibular gland.
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A Interlobular duct is a gland duct which connects more than one lobule. It is smaller than an interlobar duct.
Examples of where it can be found include
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Examples of where it can be found include
- pancreas[1][2]
- mammary gland[3]
- parotid gland[4][5]
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Cortex (Latin: "bark", "rind", "shell" or "husk") may mean:
In anatomy:
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In anatomy:
- Cortex (anatomy), the outermost or superficial layer of an organ, and especially in the brain:
- the Cerebral cortex (usually just
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The frontal lobe is an area in the brain of mammals. Located at the front of each cerebral hemisphere, frontal lobes are positioned in front of (anterior to) the parietal lobes. The temporal lobes are located beneath and behind the frontal lobes.
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The parietal lobe is a lobe in the brain. It is positioned above (superior to) the occipital lobe and behind (posterior to) the frontal lobe.
The parietal lobe integrates sensory information from different modalities, particularly determining spatial sense and navigation.
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The parietal lobe integrates sensory information from different modalities, particularly determining spatial sense and navigation.
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The occipital lobe is the visual processing center of the mammalian brain, containing most of the anatomical region of the visual cortex. The primary visual cortex is Brodmann area 17, commonly called V1 (visual one).
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The temporal lobes are part of the cerebrum. They lie at the sides of the brain, beneath the lateral or Sylvian fissure. Seen in profile, the human brain looks something like a boxing glove. The temporal lobes are where the thumbs would be.
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The cerebellum (Latin: "little brain") is a region of the brain that plays an important role in the integration of sensory perception and motor output. Many neural pathways link the cerebellum with the motor cortex—which sends information to the muscles causing them
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The cerebellum (Latin: "little brain") is a region of the brain that plays an important role in the integration of sensory perception and motor output. Many neural pathways link the cerebellum with the motor cortex—which sends information to the muscles causing them
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The cerebellum (Latin: "little brain") is a region of the brain that plays an important role in the integration of sensory perception and motor output. Many neural pathways link the cerebellum with the motor cortex—which sends information to the muscles causing them
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On the ear of humans and many other animals, the earlobe (lobulus auriculæ, sometimes simply lobe or lobule) is the soft lower part of the Cory Drosen's ear, similar in composition to the labia, or pinna.
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lungs flank the heart and great vessels in the chest cavity.[1]]]
The lung is the essential respiration organ in air-breathing vertebrates, the most primitive being the lungfish.
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The lung is the essential respiration organ in air-breathing vertebrates, the most primitive being the lungfish.
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Right lung is divided into three lobes, superior, middle, and inferior, by two interlobular fissures:
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Fissures
- One of these, the oblique fissure, separates the inferior from the middle and superior lobes, and corresponds closely with the fissure in the left lung.
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Left lung is divided into two lobes, an upper and a lower, by the oblique fissure, which extends from the costal to the mediastinal surface of the lung both above and below the hilus.
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liver is an organ present in vertebrates and some other animals. It plays a major role in metabolism and has a number of functions in the body, including glycogen storage, decomposition of red blood cells, plasma protein synthesis, and detoxification.
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The left lobe is smaller and more flattened than the right. It is situated in the epigastric and left hypochondriac regions. Its upper surface is slightly convex and is moulded on to the diaphragm; its under surface presents the gastric impression and omental tuberosity.
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The right lobe is much larger than the left; the proportion between them being as six to one.
It occupies the right hypochondrium, and is separated from the left lobe on its upper surface by the falciform ligament; on its under and posterior surfaces by the left sagittal
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It occupies the right hypochondrium, and is separated from the left lobe on its upper surface by the falciform ligament; on its under and posterior surfaces by the left sagittal
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The quadrate lobe is an area of the liver situated on the under surface of the right lobe, bounded in front by the anterior margin of the liver; behind by the porta; on the right, by the fossa for the gall-bladder; and on the left, by the fossa for the umbilical vein.
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The caudate lobe (posterior hepatic segment I, Spigelian lobe) is situated upon the posterior surface of the liver between the left and right lobe of the liver, opposite the tenth and eleventh thoracic vertebrae.
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The kidneys are organs that filter wastes (such as urea) from the blood and excrete them, along with water, as urine. The medical field that studies the kidneys and diseases of the kidney is called nephrology[1].
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The renal lobe is a portion of a kidney consisting of a renal pyramid and the renal cortex above it. [1]
It is visible without a microscope, though it is easier to see in humans than in animals.
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It is visible without a microscope, though it is easier to see in humans than in animals.
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A cortical lobule (or renal lobule) is a part of a renal lobe. It consists of the nephrons grouped around a single medullary ray, and draining into a single collecting duct.
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eMedicine is an online clinical medical knowledge base that was founded in 1996 by Scott Plantz and Richard Lavely, two medical doctors. It was sold to WebMD in January 2006.
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Dorland's is the brand name of several different medical dictionaries and ancillary products, chiefly Dorland's Illustrated Medical Dictionary (currently in its 31st edition) and Dorland's Pocket Medical Dictionary (currently in its 27th edition).
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Dorland's is the brand name of several different medical dictionaries and ancillary products, chiefly Dorland's Illustrated Medical Dictionary (currently in its 31st edition) and Dorland's Pocket Medical Dictionary (currently in its 27th edition).
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