| Pitres' area | Prefrontal cortex of the cerebral hemisphere. See: frontal cortex. (05 Mar 2000) |
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| Pitres' sign | <clinical sign> Diminished sensation in the testes and scrotum in tabes dorsalis. Synonym: haphalgesia. (05 Mar 2000) |
| Pitres, Jean | <person> French physician, 1848-1927. See: Pitres' area, Pitres' sign. (05 Mar 2000) |
| Pitressin | <protein> A peptide hormone released from the posterior pituitary lobe but synthesised in the hypothalamus. There are 2 forms, differing only in the amino acid at position 8: arginine vasopressin is widespread, while lysine vasopressin is found in pigs. Has antidiuretic and vasopressor actions. Used in the treatment of diabetes insipidus. (18 Nov 1997) |