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Atria of the Heart

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Which chamber of the heart contains pectinate muscle in in its walls?

The right atrium contains pectinate muscles in its walls. These muscular ridges are also present in the right auricle, which is an extension of the right atrium. Pectinate muscles help increase the surface area of the atrial wall and assist in the contraction of the heart.


Ridges in anterior wall of right atrium are called?

Pectinate muscles


What muscle is found in the right atrium?

The type of muscle that is found in the right atrium is mainly the pectinate muscles. This is one of the four chambers of the heart.


Differentiate clearly between the location and appearance of pectinate muscle and trabeculae carnea?

In terms of location, the pectinate muscle can be found in the atrium, while the trabeculae carnea can be found in the ventricles. Also notice the trabeculae carnae should be thicker in the left ventricle as it is pumping blood into the systemic circuit (which has more surface area than the pulmonary circuit).


Where is Trabeculae carneae found?

Trabeculae carneae are fleshy beams found on the inner surface of the right and left ventricles of the heart. Do not confuse it with the pectinate muscle that is found in the right atrium and left auricle.


What is the equivalent of 5.65 mm ammunition?

.223 Calibre although .223 Will fit on a 5.65 mm, a 5.65 mm Will not fit in a .223 calibre chamber.


Where to find unown in Pokemon LeafGreen?

Unown is a very common Pokemon that can be found in Dilford Chamber, Liptoo Chamber, Monean Chamber, Rixy Chamber, Scufib Chamber, Viapolis Chamber, and Weepth Chamber.


What are the Ridges in anterior wall of the right atrium called?

The ridges in the anterior wall of the right atrium are called pectinate muscles or pectinate ridges. These muscular ridges are important for increasing the surface area of the atrium to allow for more efficient contraction and blood flow.


What chamber is unown k in?

first chamber left! That's were I've found it.


What is the difference between Hilton white line and the pectinate line?

Hilton's white line is slightly below the pectinate line. The transition of epithelium at Hilton's white is from non-keratinising squamous to keratining squamous while at the pectinate line it is coloumnar to non-keratinising stratified squamous. Also Hilton's seperates the venous drainage from potal to systemic while pectinate line seperates arterial supply from inf. mesenteric to internal pudendal. Second year med student


Who found out that a Basilisk was in the Chamber of Secrets?

Hermione Granger.


Can AK47 fire 5.56 mm ammo and 7.62 mm ammo?

No. The AK-47 is only chambered in 7.62x39mm. A 5.56x45mm round would not fit in its chamber. However, the modernized AK-101 is chambered in 5.56mm.