Z chromosome
A sex chromosome in certain animals, such as chickens, turkeys, and moths. In humans, males are XY and females XX, but in animals with a Z chromosome, males are ZZ and females are WZ.
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The hypoglossal nerve is the twelfth cranial nerve. The twelve cranial nerves, the hypoglossal nerve included, emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from the vertebral column. The hypoglossal nerve supplies the muscles of the tongue. (The Greek “hypo-“, under and “-glossal” from A”glossa”, the tongue […]
- Section, Cesarian
The obstetrical procedure is often spelled this way in the U.S. with just an “e”although the Roman emperor remains Caesar in America with an “ae”. Also referred to as a C-section. No matter what, it is a procedure in which a baby, rather than being born vaginally, is surgically extracted (removed) from the uterus. As […]
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In anatomy, a transverse cut through a structure or tissue. The opposite is longitudinal section.
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A section that is cut along the long axis of a structure. Longitudinal section is the opposite of cross-section.