What's the difference between anvil and stithy?

Anvil

Definition:

(n.) An iron block, usually with a steel face, upon which metals are hammered and shaped.
(n.) Anything resembling an anvil in shape or use.
(n.) the incus. See Incus.
(v. t.) To form or shape on an anvil; to hammer out; as, anviled armor.

Example Sentences:

(1) An alternative method of securing the bowel around the anvil is described.
(2) After disconnecting the anvil from the cartridge, the anvil center rod can be grasped with a right-angle clamp, allowing the anvil to be angled "sideways" so that it slides by the newly constructed anastomosis and can be withdrawn with ease.
(3) Isaiah 41:7 even manages to (sort of) cover two Premiership clubs: "The craftsman encourages the goldsmith, and he who smooths with the hammer spurs on him who strikes the anvil."
(4) However, the reaction exposes a uniquely moulded organization of subacrosomal material ("pseudoperforatorium"), shaped like an anvil over the rostral rim of the flattened nucleus and encased by the remaining inner acrosomal membrane.
(5) A technique is described that obviates the difficulty in sliding the proximal colon over the intraluminal stapling anvil.
(6) Poly(L-lysine) bound to phosphatidylglycerol or phosphatidic acid bilayers was submitted to hydrostatic pressure in a diamond anvil cell to investigate whether the lipidic surfaces can protect the polypeptide against pressure-induced conformational transformations.
(7) The fact that the anvil and anvil stem of a new circular stapling device (Premium EEA) can be detached from the frame of the instrument allows the anvil stem to be brought out through the proximal linear stapled colon.
(8) New operating proctoscopes have been designed that facilitate the passage of a stapling head without its anvil in rectal procedures which call for this technique to be used.
(9) The calibre of player vying to accompany Pogba in the centre remains open to debate, as question marks of varying weights hang like cartoon anvils over Morgan Schneiderlin, Daley Blind, Marouane Fellaini, Ander Herrera and Michael Carrick, and, as Mourinho did not quite say this month , only a fool, or perhaps a recently deposed England manager, would attempt to foist a dwindling Wayne Rooney on United’s midfield.
(10) Uneven strain distribution due to lack of support of cut vertical trabeculae at the anvil-specimen interface is believed to be causing the underestimation of Young's modulus measured by the extensometer technique.
(11) Fourier transform infrared spectroscopy performed with a high pressure diamond anvil cell was used to study hydrogen bonding between anhydrous phosphatidylcholines and cholesterol at the molar ratio 4:1.
(12) "You'd almost see sparks and hear anvils clanging."
(13) The market-dominating BBC triumvirate of Casualty, Holby City and Doctors are now complemented by period variants Call The Midwife and The Indian Doctor, forged on the same nostalgic anvil as ITV's 60s-set The Royal (which ran for 87 episodes).
(14) Rachel Cusk may have written "childbirth and motherhood are the anvil upon which sexual inequality was forged" but using personal experience is still controversial.
(15) The circular end-to-end stapler, with the anvil removed, is then passed through an enterotomy in the rectal remnant.
(16) The author calls for an education system relevant to and tested upon the anvil of patient care.
(17) Refugees were being made to decide between the “anvil of [Syrian president Bashar al] Assad and the hammer of Daesh”.
(18) Intraluminal circular stapling in gastrointestinal surgery requires a purse string suture which secures the bowel around the anvil of the head of the stapling gun before firing.
(19) An oscillating knife, housed in the hollow shaft of the hook, is driven against the anvil to cut the membrane.
(20) The anvil has a rounded surface enclosed by cylindrical walls, while the pressure pestle functions as a piston within the cylindrical walls.