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lower parts
The esophagus, (American English) or oesophagus (British English; see spelling differences) (), informally known as the food pipe or gullet, is an organ in vertebrates through which food passes, aided by peristaltic contractions, from the pharynx to the stomach. The esophagus is a fibromuscular tube, about 25 cm (10 in) long in adults, which travels behind the trachea and heart, passes through the diaphragm and empties into the uppermost region of the stomach. During swallowing, the epiglottis tilts backwards to prevent food from going down the larynx and lungs. The word oesophagus is the Greek word οἰσοφάγος oisophagos, meaning "gullet".
The wall of the esophagus from the lumen outwards consists of mucosa, submucosa (connective tissue), layers of muscle fibers between layers of fibrous tissue, and an outer layer of connective tissue. The mucosa is a stratified squamous epithelium of around three layers of squamous cells, which contrasts to the single layer of columnar cells of the stomach. The transition between these two types of epithelium is visible as a zig-zag line. Most of the muscle is smooth muscle although striated muscle predominates in its upper third. It has two muscular rings or sphincters in its wall, one at the top and one at the bottom. The lower sphincter helps to prevent reflux of acidic stomach content. The esophagus has a rich blood supply and venous drainage. Its smooth muscle is innervated by involuntary nerves (sympathetic nerves via the sympathetic trunk and parasympathetic nerves via the vagus nerve) and in addition voluntary nerves (lower motor neurons) which are carried in the vagus nerve to innervate its striated muscle.
The esophagus may be affected by gastric reflux, cancer, prominent dilated blood vessels called varices that can bleed heavily, tears, constrictions, and disorders of motility. Diseases may cause difficulty swallowing (dysphagia), painful swallowing (odynophagia), chest pain, or cause no symptoms at all. Clinical investigations include X-rays when swallowing barium, endoscopy, and CT scans. Surgically,
the esophagus is difficult to access.
Thinning out my glock parts so decided to put together this package
Complete glock 22 gen 3 40cal slide assembly with trijicon night sights unknown round count but barrel looks great
Lonewolf lwd-229th 9mm threaded conversion barrel 1/2x28 threads with protector approx 500rnds
Complete glock...
Unopened brand part kit from brownells. Took me almost a month to get. Will sell for 70 and trade value 75.
Trades- 223 ammunition (only 223 cant use 556)
May consider other trades
Brand new psa A2 stealth lower with brand new BCM lpk
Comes as an a2 but can toss in a carbine receiver extension, h1 buffer, castle nut, and end plate if you prefer this to be a carbine. (No I don't have a buffer spring or stock)
$175
Willing to ship but not sure on cost. Will ship it to...
Up for sale, Southwest Washington, Vancouver area, Clark county area.
AR-15 parts bundle. All brand new, never used.
All for $150 cash.
Rise Armament Bolt Carrier Group. 5.56. Nitride. 9310 MPI M16 profile. (Retails for $169)
Rise Armament lower parts kit. AR-15. (Retails for $32)
CMMG...
Must Sale of a Private Party COMPLETED Poly80 Glock Clone Frame Go Through 4473 Transfer Process?
Okay people, help me figure out if I've got my thumb stuck up my @$$ or if I'm partially, or completely correct.
Over the past couple of months I've tracked at least four folks (they're new to the...
9/16/22 - SOLD PENDING FUNDS - I'LL TAKE AD DOWN WHEN SALE IS COMPLETE
If Ad is Up - It's Still Available
Glock 43X / 48 FRAME with Complete Lower Parts Kit Installed
TURN YOUR GLOCK 43 INTO A 43X - WILL RUN A G43 SLIDE, NO PROBLEM!
$165
Buyer pays fees (must be transferred)
NO TRADES
No...
JSE complete AR-15 LPK, new condition. All parts are standard mil-spec. Also included: buffer tube wrench, bolt catch install toolkit, and a few extra parts. $40.
Have an Armalite AR 10 lol (AR10B) with single stage trigger. I have no use for this and have never used it, it's literally been sitting in a drawer.
$60
Brand new lower parts kit. Had it for years. Pretty sure it's from PSA. Comes with a buffer tube, buffer and spring. Missing castle nut. $60 firm Pick up in Gresham.
Geissele ultra duty lower parts kit, brand new and includes everything except safety
Maritime bolt catch, 5 axis trigger guard, takedown pins, mag release and all detents and springs to build a lower. $90 no trades
I have 2 Geissele ultra duty lower parts kits that just arrived today but I no longer need.
Paid $145ea plus shipping. Selling for $145ea if you pick up locally or if nobody needs them I will return by the weekend, get one without shipping now.
-Super coonfigurable ambi safety ($75 by itself...