1. Abnormal dryness of the conjunctiva and cornea of the eyes; may be due to a systemic deficiency of vitamin A
   - xerophthalmia, xerophthalmus, xeroma

Type of: dryness, waterlessness, xerotes

• vena sigmoideus
• vena spinalis
• vena sternocleidomastoidea
• vena stylomastoidea
• vena subclavia
• vena sublingualis
• vena supraorbitalis
• vena supratrochlearis
• vena temporalis
• vena testicularis
• vena thoracica
• vena thoracoepigastrica
• vena thyroidea
• vena tibialis
• vena trachealis
• vena ulnaris
• vena umbilicalis
• vena vertebralis
• vena vertebralis accessoria
• vena vertebralis anterior
• vena vesicalis
• vena vestibularis
• vena vorticosum
• venae centrales hepatis
• venae cerebrum inferior