Last edited by Dule
Tuesday, July 21, 2020 | History

2 edition of Perivascular spaces in the brains of Necturus maculosus Rafinesque and Mus norwegicus Albinus. found in the catalog.

Perivascular spaces in the brains of Necturus maculosus Rafinesque and Mus norwegicus Albinus.

Milton Wilfred Brightman

Perivascular spaces in the brains of Necturus maculosus Rafinesque and Mus norwegicus Albinus.

by Milton Wilfred Brightman

  • 158 Want to read
  • 17 Currently reading

Published .
Written in English


Edition Notes

Thesis (M.A.) -- University of Toronto, 1948.

The Physical Object
Pagination1 v.
ID Numbers
Open LibraryOL17306873M

The Content on this Site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease; or a recommendation for a specific test, doctor, care provider, procedure, treatment plan, product, or course of action. The advent of high-spatial-resolution MR imaging makes it possible to observe expanded perivascular (PV) spaces in the brain. Clinically, these spaces are noteworthy as a differential diagnosis for lacunar infarcts (1–5).They are commonly found in the following locations: the lower third of the basal ganglia adjacent to the anterior commissure, the corona radiata and centrum semiovale, the.

SPECIFIC NAME OF NECTURUS MACULOSUS F. C. WAITE, IN view of the fact that this animal is now extensively used in research and teaching, and since the majority of teachers and writers follow Cope ('89) and erroneously use the name Necturus naculatus, it seems worth while to call attention to the correct ter- minology. Lateral view of the skull of Necturus maculosus. The lateral view shows the wide anterior premaxilla with its dentition. Behind this, you can see the tooth rows of the vomer, and then the palatopterygoid. Posteriorly, the palatopterygoid abuts the quadrate, itself sheathed laterally by .

The skeletal system of Necturus maculatus Rafinesque. Related Titles. Series: Memoirs read before the Boston Society of Natural History, v. 5, no. 9 By. Wilder, Harris Hawthorne, Boston Society of Natural History. Museum. Type. Book Material. Published material. Mudpuppy (Necturus maculosus maculosus) populations have been declining in the Great Lakes region of North America. However, during fisheries assessments in the Detroit River, we documented Mudpuppy reproduction when we collected all life stages from egg through adult as by-catch in fisheries assessments. Ten years of fisheries sampling resulted in two occurrences of Mudpuppy egg collection.


Share this book
You might also like
Sexual attraction and love

Sexual attraction and love

Very large scale systems

Very large scale systems

Purchase of certain land near Harlem River. Letter from the Secretary of War, transmitting a letter from the Chief of Engineers, with an accompanying memorandum, relating to purchase of certain land near Harlem River.

Purchase of certain land near Harlem River. Letter from the Secretary of War, transmitting a letter from the Chief of Engineers, with an accompanying memorandum, relating to purchase of certain land near Harlem River.

Art - manufactures of India.

Art - manufactures of India.

Entry into early language

Entry into early language

At a convention of the Fellows of the Medical Society of the State of Connecticut, holden at New-Haven, October 20th and 21st, 1813 ...

At a convention of the Fellows of the Medical Society of the State of Connecticut, holden at New-Haven, October 20th and 21st, 1813 ...

Architecture through the ages.

Architecture through the ages.

Boatswains mate 1 & C.

Boatswains mate 1 & C.

Individual fishing quotas

Individual fishing quotas

Afforestation in Saline Conditions

Afforestation in Saline Conditions

dictionary of roses in colour

dictionary of roses in colour

Crustacean egg production

Crustacean egg production

Perivascular spaces in the brains of Necturus maculosus Rafinesque and Mus norwegicus Albinus by Milton Wilfred Brightman Download PDF EPUB FB2

Anat Rec. Nov;(3) Perivascular spaces in the brains of Necturus maculosus Rafinesque and Mus norwegicus albinus.

BRIGHTMAN by: BRIGHTMAN MW. Perivascular spaces in the brains of Necturus maculosus Rafinesque and Mus norwegicus albinus. Anat Rec. Nov; (3)– Brightman MW, Reese TS. Junctions between intimately apposed cell membranes in the vertebrate brain.

J Cell Biol. Mar; 40 (3)– [PMC free article] Brocklehurst by: 6. BODENHEIMER T. & BRIGHTMAN M. () A blood-brain barrier to peroxidase in capillaries surrounded by perivascular spaces.

Am.J. Anat. BRIGHTMAN M. () Perivascular spaces in the brains of Necturus maculosus rafinesque and Mus norwegicus by:   BACKGROUND AND PURPOSE: Recent animal and human studies have shown an increased frequency of enlarged, high-convexity Virchow-Robin spaces (VRS) in several neurologic diseases, suggesting their role as neuroradiologic markers of inflammatory changes.

The aim of this study was to determine the prevalence of high-convexity dilated VRS in mild traumatic brain injury Cited by: Click on the article title to read more. Scanning electron microscopy of the caudal end of the roof of the fourth cerebral ventricle in four amphibian species shows that numerous pores occur between the ependymal cells.

These pores have diameters ranging from 5– μm; they permit bulk flow of cerebrospinal fluid out of the ventricular system into the subarachnoid space. Perivascular spaces in the brains of necturus maculosus rafinesque and mus norwegicus albinus.

Milton W. Brightman; Pages: ; First Published: 01 November ; First Page; PDF; References; Request permissions; The mammary gland development. Perivascular spaces of frequently seen in the lower half of the basal ganglia.

The basal ganglia is the portion of the brain the is important for regular the initiation and cessation of movement. Diseases of this region of the brain lead to abnormal movement disorders, such as Huntington's disease, which is a fatal genetic condition passed on.

The common mudpuppy (Necturus maculosus) is a species of salamander in the genus Necturus. They live an entirely aquatic lifestyle in the eastern part of North America in lakes, rivers, and ponds. They go through paedomorphosis and retain their external gills.

Because skin and lung respiration alone is not sufficient for gas exchange, mudpuppies must rely on external gills as their primary. The brain mass that is lost that shows up as a Dilated Perivascular Spaces, is the white matter of the brain. Dilated Perivascular Spaces are principally places where the axons and the myelin sheath used to be.

The myelin sheath is the insulation like substance that protects most axons in the brain. Necturus maculatus (Rafinesque, ) Necturus maculosus stictus Bishop, Necturus maculosus maculosus (Rafinesque, ) Sirena maculosa Rafinesque, Necturus luteus Rafinesque, Necturus phosphoreus Rafinesque, Triton lateralis James, Menobranchus lateralis (James, ) Menobranchus sayii Gray, Background and Purpose— Enlarged perivascular spaces in the brain are common but generally overlooked and of uncertain pathophysiology.

They may reflect underlying cerebral small vessel disease. We determined whether enlarged perivascular spaces were associated with lacunar stroke subtype and white matter hyperintensities, markers of established small vessel disease. The posterior rhombencephalic tela choroidea of the bullfrog was examined by electron microscopy.

This membrane, the pia-ependymal roof of the caudal hindbrain, contains a large central region characterized by cuboidal ependymal cells which surround sizable microscopic apertures — the interependymal pores. Ultrastructurally ependymal cells of this area are characterized by infrequent apical.

English: Mudpuppy magyar: Foltos barázdásgőte polski: Odmieniec amerykański Retrieved from "?title=Necturus_maculosus. Unlike tumefactive perivascular spaces elsewhere within the brain, anterior temporal lobe perivascular spaces often have surrounding edema (~80%) which can range from mild to extensive 1.

Additionally, they are usually associated with a branch of the middle cerebral artery and a focal region of cortical thinning or absence (~90%) 1. Necturus m. maculosus individuals have rusty brown to gray dorsa with conspicuous spotting. The underside is gray, and may or may not be spotted.

Louisiana waterdogs (N. louisianensis) have light yellowish brown to tan dorsa. The dorsal side is marked with large spots and sometimes a dorsal stripe.

The belly is light colored with no spots. The different species of Necturus differ greatly in size, with the largest (N. maculosus) reaching lengths up to 49 cm (19 in), and the smallest (N.

punctatus) maturing at cm ( in) (Petranka, ). Necturus maculosus are generally dark colored, ranging through a number of shades of brown to black.

Typically, they exhibit dark. Perivascular spaces in the brains of Necturus maculosus Rafinesque and Mus norwegicus albinus. BRIGHTMAN MW. Anat. Rec., (3) MED:   My son has dilated Virchow-Robin spaces (perivascular spaces).

This was found on MRI at age 6. He is on autism spectrum and it appears this is not an uncommon finding in autism and other developmental disorders. All I know is that little is known still about the origin and significance or them being enlarged or prominent.

The small blood vessels are surrounded by a space called a perivascular space (another name for it is a Virchow–Robin space). A prominent perivascular space is just when this space is a little larger than usual, such that it is apparent on MRI. This is very common and commonly occurs in the basal ganglia, just because of the angle that blood.

Description Completely aquatic and gilled throughout life. The mudpuppy is the largest member of the genus Necturus which also includes waterdogs. All mudpuppies and waterdogshave bushy external gills, two gill slits, a laterally compressed tail, and four toes on front and hind feet.

The arachnoid completely surrounds the brain and spinal cord although it is separated from the cns by the sub-arachnoid space, which appears to be well developed in the cranial region.

M. W., Perivascular spaces in the brains of NecturusmacalosusRafinesqueand Mus norwegieus albinus, Anat. Rec., () 2 COBEN, L. A., COTL~ER, E.Ecology: Found in clear lakes, rivers and streams, and some weedy, turbid and mud-banked streams.

It lingers in shallow aquatic habitats under rocks and logs and swims deep in lakes on occasion. Primarily nocturnal, but is known to venture out during daytime in cloudy or sheltered water.