| fourth n. |
nervus trochlearis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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|---|---|
| fourth p. of vertebral artery |
pars intracranialis arteriae vertebralis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| fourth s. |
the heart sound associated with atrial contraction, occurring during the presystolic phase of diastole. It is rarely audible in normal hearts but when accentuated is usually called an S4 gallop. Abbreviated S4. See also gallop rhythm, under rhythm.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| fourth s. of labor |
a name sometimes applied to the immediate postpartum period.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| fourth t. |
digitus quartus pedis.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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