The __________ __________ is a passageway for cerebrospinal fluid between the third and fourth ventricles.

Fill in the blank(s) with the appropriate word(s).


cerebral aqueduct or aqueduct of Sylvius or aqueductus mesencephali or mesencephalic duct

Anatomy & Physiology

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Osteoclasts are bone-resorbing cells, whereas osteoblasts are bone-forming cells

Indicate whether the statement is true or false

Anatomy & Physiology

What is the most superficial layer of the pericardial sac?

What will be an ideal response?

Anatomy & Physiology

A blastocyst is

A) an extraembryonic membrane that forms blood vessels. B) a solid ball of cells. C) a hollow ball of cells. D) a portion of the placenta. E) the membrane that forms the urinary bladder.

Anatomy & Physiology

In order for glycolysis to proceed, which of the following need not be present?

A) glucose B) acetyl-CoA C) ATP D) NAD E) ADP

Anatomy & Physiology