The top of the head. For example, in a vertex presentation at birth, the top of the baby’s head emerges first.
In anatomy, upright. As opposed to horizontal. For a more complete listing of terms used in medicine for spatial orientation, please see the entry to “Anatomic Orientation Terms”.
- Vertical transmission
Passage of a disease-causing agent (pathogen) from mother to baby during the period immediately before and after birth. Transmission might occur across the placenta, in the breast milk, or through direct contact during or after birth. For example, HIV can be a vertically transmitted pathogen. Also known as perinatal transmission.
Dizziness, Lightheadedness, and Unsteadiness.
- Vertigo, benign paroxysmal positional (BPPV)
A balance disorder that results in the sudden onset of dizziness, spinning, or vertigo when moving the head.
- Vertigo, recurrent aural
A condition, also known as Meniere’s disease, with recurrent vertigo accompanied by ringing in the ears (tinnitus) and deafness. Symptoms include vertigo, dizziness, nausea, vomiting, loss of hearing (in the affected ear). Meniere’s syndrome or disease is due to dysfunction of the semi-circular canals (endolymphatic sac) in the inner ear. The treatment of Meniere’s disease […]