parasexuality
A phenomenon, involving a complex form of mitosis, whereby two cell nuclei merge without any sexual process and the chromosome count is doubled.

parasitophores
plural of parasitophore

paraspeckle
An irregularly shaped compartment of the cell, found in the nucleus's interchromatin space

paraspeckles
plural of paraspeckle

parasthesia
Misspelling of paresthesia.

parastylid
Synonym of hypoconulid.

parastylids
plural of parastylid

parasubiculum
A retrohippocampal isocortical structure in the rodent brain

parasystole
A kind of arrhythmia caused by the presence and function of a secondary pacemaker in the heart, which works in parallel with the S-A node.

parasystoles
plural of parasystole

paratendon
Alternative form of paratenon.

paratendons
plural of paratendon

paratenon
A fatty areolar tissue that fills the interstitia within the fascia where a tendon is located.

paratenons
plural of paratenon

parathyroidectomies
plural of parathyroidectomy

parathyroidectomy
The procedure to remove one or more of the parathyroid glands

paratomy
A form of asexual reproduction in which new organs develop before the organism splits

paratonia
A form of hypertonia with an involuntary variable resistance (i.e. reduced ability of a muscle to stretch) during passive movement.

paratonias
plural of paratonia

paravermis
A form of the vermis found in the intermediate zone of the cerebellum

parencephala
plural of parencephalon

parencephalocele
The protrusion of the cerebellum through a defect in the cranium.

parencephalon
The cerebellum.

parenchym
Alternative form of parenchyma.

parenchyma
The functional tissue of an organ as distinguished from the connective and supporting tissue.
The cellular tissue, typically soft and succulent, found chiefly in the softer parts of leaves, pulp of fruits, bark and pith of stems, etc.
Cellular tissue lying between the body wall and the organs of invertebrate animals lacking a coelom, such as flatworms.

parenchymas
plural of parenchyma

parenchymata
plural of parenchyma

parenchyme
Alternative form of parenchyma.

parenchymella
A type of larva of a demosponge composed of an envelope of flagellated cells surrounding an internal mass of cells.

parenchymes
plural of parenchyme

parenchyms
plural of parenchym

parenthesome
A septal pore cap, a microscopic structure of unknown function found in the cells of basidiomycete fungi.

parenthesomes
plural of parenthesome

paresthesia
A sensation of burning, prickling, itching, or tingling of the skin, with no obvious cause.

paresthesiae
plural of paresthesia

paresthesias
plural of paresthesia

paristhmion
tonsil

paroophoron
A small mass of tubules near the ovary in some animals, corresponding with the paradidymis of the male.

parostoses
plural of parostosis

parostosis
ossification which takes place in purely fibrous tracts; the formation of bone outside of the periosteum

parotidectomies
plural of parotidectomy

parotidectomy
surgical removal of the parotid gland

parotidoauricularis
A muscle located between the parotid gland and the auricle.

parotidomegaly
Parotid gland enlargement.

parovaria
plural of parovarium

parovarium
The epoophoron.

parthenogamete
A gamete that develops without pairing.

parthenogametes
plural of parthenogamete

parthenote
A cell or embryo generated through parthenogenesis.

parthenotes
plural of parthenote

parvafacies
A body of rock that makes up a part of a magnafacies.

paryphoplasm
A peripheral ribosome-free region of a planctomycete cell

paryphoplasms
plural of paryphoplasm

passagemaker
A vessel designed for, or capable of, making a long-distance voyage.

passagemakers
plural of passagemaker

pasteurisation
Heat-treatment of a perishable food to destroy heat-sensitive vegetative cells followed by immediate cooling to limit growth of the surviving cells and germination of spores.

pasteurisations
plural of pasteurisation

pasteurization
Alternative spelling of pasteurisation.

pasteurizations
plural of pasteurization

pathomechanics
The mechanics of misplaced or damaged bones, tendons etc, especially of misaligned vertebrae

pavementing
The situation where damaged endothelium undergoes a change in properties that allows leukocytes to adhere to it.

paxwax
A strong ligament of the back of the neck in quadrupeds, connecting the back of the skull with dorsal spines of the cervical vertebrae; the nuchal ligament.

pdr
Abbreviation of pounder.

peash
Female genitals, vagina.

pectopexies
plural of pectopexy

pectopexy
The repair of a prolapse that uses the iliopectineal ligament

pectoralis
A pair of muscles that lowers the wings of birds in flight

pedalier
pedalboard (organ keyboard)

pedaliers
plural of pedalier

pedascules
plural of pedascule

pedinellid
Any of the single-cell algae of the order Pedinellales

pedinellids
plural of pedinellid

pedipalp
Either of a second pair of appendages near the mouth of many arachnids, variously specialized as pincers, sensory or locomotory organs.

pedipalpi
plural of pedipalpus

pedipalps
plural of pedipalp

pedipalpus
Synonym of pedipalp.

pedosphere
The outermost layer or "skin" of the Earth, subject to soil formation processes.

pedospheres
plural of pedosphere

peeder
The penis.

peehole
The external opening of the urethra.

peenar
a penis

peenars
plural of peenar

peenie
penis

peenies
plural of peenie

pego
The penis.

pegos
plural of pego

pellicle
A thin skin or film.
A cuticle, the hard protective outer layer of certain life forms.
The outermost layer of a mushroom; the skin of a mushroom cap; especially, a surface that is viscid and easily peels off.
A thin layer supporting the cell membrane in various protozoa.
The growth on the surface of a liquid culture.
A skin or coating of proteins on the surface of meat to be smoked, improving the surface adhesion.
A coating of glycoproteins from saliva that forms on teeth; it offers some protection to the enamel from bacterial acidity.
The photosensitive emulsion of photographic film.
A thin plastic membrane used as a beam splitter or protective cover (for example, to protect a photomask).

pellicles
plural of pellicle

pelviectasis
Dilatation of the renal pelvis.

pelvimetry
The assessment of the female pelvis in relation to the birth of a baby.

pelviotomies
plural of pelviotomy

pelviotomy
Synonym of symphysiotomy.

pendelluft
The effect of air movements between the penultimate branches of the lungs

peniscopy
Visual examination of the tissues of the penis.

penishead
Synonym of dickhead (“mean or rude person”).

penomegaly
An abnormal enlargement of the penis.

pentachrome
A complex staining procedure that stains various parts of cells different colours.

pentachromes
plural of pentachrome

pentacontaheptachoron
A four-dimensional polytope that has 57 cells

pentacontaheptachorons
plural of pentacontaheptachoron

penteres
plural of pentere

peotillomania
A nervous tic resembling masturbation, consisting of constant pulling of the penis.

pepducin
A lipopeptide based on the intracellular loops of cell-surface receptors

pepducins
plural of pepducin

peplomer
how viruses attach to cells; spike

peplomers
plural of peplomer

peptotoxin
A poisonous ptomaine found in peptones and in putrefying albuminous substances, such as fibrin, casein, brain, liver, and muscle.

peptotoxine
Archaic form of peptotoxin.

peptotoxines
plural of peptotoxine

peptotoxins
plural of peptotoxin

percoll
A colloidal suspension of silica coated with PVP, used in the density gradient centrifugation of cells.

perenchyma
Misspelling of parenchyma.

perforans
The long flexor muscle of the toes, or the deep flexor muscle of the fingers.

perforantes
plural of perforans

pergal
A box containing a plastic bladder of milk (most commonly with three Imperial gallons of milk), used commercially in a refrigerated machine that dispenses the milk as needed for customers.

pergals
plural of pergal

periadipocyte
Any of a group of simple cells that surround an adipocyte