pit

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pit

 [pit]
1. a hollow fovea or indentation.
2. a pockmark.
3. to indent, or to become and remain for a few minutes indented, by pressure.
anal pit proctodeum.
auditory pit a distinct depression in each auditory placode, marking the beginning of the embryonic development of the internal ear.
lens pit a pitlike depression in the fetal head where the lens develops.
nasal pit (olfactory pit) a depression appearing in the olfactory placodes in the early stages of development of the nose.
pit of stomach the epigastric fossa or epigastric region.

pit

(pit),
1. Synonym(s): fovea
2. One of the pinhead-sized depressed scars that develop after the pustule of acne, chickenpox, or smallpox (pockmark).
3. A sharp-pointed depression in the enamel surface of a tooth, due to faulty or incomplete calcification or formed at the confluent point of two or more lobes of enamel.
4. To indent, as by pressure of the finger on the edematous skin; to become indented, said of the edematous tissues when pressure is applied with the fingertip.
[L. puteus]

PIT

plasma iron turnover.

pit

(pit)
1. a hollow fovea or indentation.
2. a pockmark.
3. a small depression or fault in the dental enamel.
4. to indent, or to become and remain for a few minutes indented, by pressure.
5. a small depression in the nail plate.

anal pit  proctodeum.
arm pit  the axilla or axillary fossa.
coated pits  small clathrin-coated pits occurring in the plasma membrane of many cells and involved in receptor-mediated endocytosis.
ear pit  preauricular p.
lens pit  a pitlike depression in the ectoderm of the lens placode where the primordial lens is developing.
olfactory pit  the primordium of a nasal cavity.
otic pit  a depression appearing in each otic placode, marking the beginning of embryonic development of the internal ear.
preauricular pit  a small depression anterior to the helix of the ear, sometimes leading to a fistula or congenital preauricular cyst.

pit

(pĭt)
n.
1. A natural hollow or depression in the body or an organ.
2. A small indented scar left in the skin by smallpox or other eruptive disease; a pockmark.
3. A sharp-pointed depression in the enamel surface of a tooth, caused by faulty or incomplete calcification or formed by the confluent point of two or more lobes of enamel.
v.
1. To mark with cavities, depressions, or scars.
2. To retain an impression after being indented. Used of the skin.

IRF6

A gene on chromosome 1q32.3-q41 that encodes a member of the interferon regulatory transcription factor (IRF) family, which have diverse roles such as virus-mediated activation of interferons and modulation of cell growth, differentiation, apoptosis and immune system activity. IRF6 appears to be a transcription activator.

Molecular pathology
IRF6 mutations are linked to non-syndromic orofacial cleft type 6, popliteal pterygium syndrome and van der Woude syndrome.

pit

Medtalk A dell that remains transiently in edematous skin and subcutaneous tissue after firm fingertip pressure Obstetrics Pitocin, see there.

pit

(pit)
1. Any natural depression on the surface of the body, such as the axilla (armpit).
Compare: dimple
2. Synonym(s): pockmark.
3. A depression in the enamel surface of a tooth due to faulty or incomplete calcification or formed at the confluent point of two or more lobes of enamel.
4. To indent, as by pressure of the finger on the edematous skin; to become indented, said of the edematous tissues when pressure is made with the fingertip.

pit

(pit)
1. A tiny hollow or pocket. Synonym: depression; fossa
2. To be or become marked with a shallow depression; to cause a depression on pressure in edema.
3. A small depression in the enamel surface of a tooth often connected with one or more developmental grooves. It contributes to pit and fissure caries. Synonym: occlusal pit

anal pit

Proctodeum.

auditory pit

A pit that develops in the auditory placode.

costal pit

The inferior facet on the body of a thoracic vertebra. It articulates with the head of a rib.
Enlarge picture
GASTRIC PIT

gastric pit

Any of many foveolae in the gastric mucosa into which the gastric glands open. See: illustration

lens pit

The depression on the skin of the embryonic head where the lens of the eye will develop.

nasal pit

In the embryo, one of two horseshoe-shaped depressions on the ventrolateral surface of the head bounded by lateral and median nasal processes. It gives rise to nostrils and a portion of the nasal fossa.
Synonym: olfactory pit

occlusal pit

Pit (3).

olfactory pit

Nasal pit.

optic pit

A small indentation of the optic nerve head. It may sometimes release fluid below the retina, which can cause central retinal detachment.

primitive pit

A minute depression at the anterior end of the primitive groove or streak and immediately posterior to the primitive knot.

pit of the stomach

1. Colloquial term for the depression at the end of the xiphoid process.
2. Colloquial term for the center of the abdominal region above the navel.

pit

a thin area of the cell wall in higher plants where no secondary wall develops. If two cells have pits in adjacent parts of the wall there are often fine protoplasmic connections called PLASMODESMATA between the cells. Sometimes pits have a more complex structure, as in the BORDERED PITS within the xylem of seed plants.

pit

(pit)
1. Sharp-pointed depression in enamel tooth surface, due to faulty or incomplete calcification or formed at confluent point of two or more lobes of enamel.
2. Synonym(s): fovea.
3. Pinhead-sized depressed scar that develops after pustule of acne, chickenpox, or smallpox (pockmark).

pit,

n 1. a small depression in enamel, usually located in a developmental groove where two or more enamel lobes are joined.
n 2. a depression in a restoration resulting from nonuniform density.
pit, lingual,
pit and fissure cavity,
pit and fissure sealant,

pit

1. a hollow fovea or indentation.
2. a pockmark.
3. to indent, or to become and remain for a few minutes indented, by pressure.
4. seed of a fruit, e.g. cherry. Strictly refers to the hard woody coating which surrounds the seed.

anal pit
the proctodeum of the embryo.
auditory pit
a distinct depression in each auditory placode, marking the beginning of the embryonic development of the internal ear.
pit bull
a term used in describing various types of dogs used in past times for fighting in pits. Now, usually refers to the specific breed, american pit bull terrier.
lens pit
a pitlike depression in the fetal head where the lens develops.
nasal pit
a depression appearing in the olfactory placodes in the early stages of development of the nose. Called also olfactory pit.
olfactory pit
see nasal pit (above).
otic pit
early stage in the development of the embryonic inner ear.
pit pony
pony used in a mine to haul mined rock. Breed varies as long as it is small, e.g. Shetland pony.
pit of stomach
the epigastric fossa or epigastric region.
pit viper
see viper.

Patient discussion about pit

Q. What are the dentists going to do if I have Pit and fissure caries? I look at my teeth and i see tiny black stuff on the fissures of my molars. I am so freakin scared. Are the dentists going to do something painful?

A. Well you will have to see a dentist if you want an answer on what kind of treatment they will offer you. Today dentists use good anesthesia so anything they will do is not supposed to be painful.

Q. tender protuding lymph node lump rt. arm pit aprox. 1/2" dia. any concerns or recommend treatment necessary?

A. lymph nodes can flare up any time you get infected in the armpit and all the area that it drains. i had it several times and it went away in the same manner that it came. i think that sometimes it caused because of a blockade done by deodorant. so i try to use this Chinese salt stone that doesn't contain aluminum.

More discussions about pit