Now rare or Obs. [f. L. vēna VEIN sb. + -AL. Cf. VENIAL a.2]
1. Of blood: Contained in the veins.
1615. Crooke, Body of Man, 30. So the Heart … containeth in his right ventricle venal, in his left arterial blood.
1665. Needham, Med. Medicinæ, 417. Bleeding drains onely the Venal Bloud.
1745. Franklin, Lett., Wks. 1887, II. 10. I cannot conceive how they are dilated. It is said, by the force of the venal blood rushing into them.
1781. P. Beckford, Hunting (1802), 123. He made a strong ligature on his neck, that the venal blood might be emitted with the greater impetus.
1807. Med. Jrnl., XVII. 302. The blood that was discharged was evidently venal.
2. Of or pertaining to, connected with, forming, of the nature of, a vein or veins.
1661. Lovell, Hist. Anim. & Min., 319. The right [auricle] before the vena cava, and the left [before] the venal arterie.
1669. W. Simpson, Hydrol. Chym., 70. Making it [the blood] to restagnate in some of the arterial or venal chanels.
1744. Phil. Trans., XLIII. 60. The Blood is stopp’d, as mentioned before, in the little venal parallel Canals.
1748. Hartley, Observ. Man, I. i. § 1. 45. The venal Sinuses which surround the Brain and spinal Marrow.
1797. M. Baillie, Morb. Anat. (1807), 107. There was no obstruction at the entrance of the thoracic duct into the venal system.
1822–7. Good, Study Med. (1829), III. 479. To make the skin do the office of a valve to the venal opening.
