Examlex
A common denominator among the three complement pathways is antigen recognition.Can you name three molecules that act as antigen recognition molecules for the classical, lectin, and alternative pathways?
Sella Turcica
A saddle-shaped depression in the sphenoid bone at the base of the human skull that houses the pituitary gland.
Sphenoid Bone
A butterfly-shaped bone at the base of the skull that is connected to all other skull bones.
Hyoid
A U-shaped bone in the neck that supports the tongue and provides attachment for muscles associated with swallowing.
Crista Galli
A vertical protrusion of the ethmoid bone in the brain that serves as an attachment point for the falx cerebri, a membrane that divides the two cerebral hemispheres.
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