periadipocytes
plural of periadipocyte

periah
a supplementary procedure in the bris following the milah (excision of the akroposthion) where the preputial epithelium of the foreskin is separated from the glans of the penis as a precursor to posthetomy.

periannulus
The region surrounding an annulus of the heart

periblast
The protoplasmic matter which surrounds the entoblast, or cell nucleus, and undergoes segmentation.

periblasts
plural of periblast

periblem
nascent cortex, or immature cellular bark

periblems
plural of periblem

pericambia
plural of pericambium

pericambium
A pericycle.

pericardectomies
plural of pericardectomy

pericardectomy
Alternative form of pericardiectomy.

pericardia
plural of pericardium

pericardiectomies
plural of pericardiectomy

pericardiectomy
The surgical removal of all or part of the pericardium.

pericardiocenteses
plural of pericardiocentesis

pericardiocentesis
The removal of fluid from the pericardium for therapeutic or diagnostic purposes

pericardiodesis
A procedure involving the fusion of the layers of the pericardium after the injection of a sclerosant, used in the treatment of recurrent pericardial effusions.

pericardiotomies
plural of pericardiotomy

pericardiotomy
incision into the pericardium

pericardium
A serous membrane that surrounds the heart allowing it to contract.

pericardiums
plural of pericardium

pericarp
The outermost layer, or skin, of a ripe fruit or ovary.
The outer layer of anything.

pericarps
plural of pericarp

pericaryon
Misspelling of perikaryon.

pericentrosome
The pericentrosomal area of a chromosome

pericentrosomes
plural of pericentrosome

perichondrocyte
A chondrocyte of the perichondrium

perichondrocytes
plural of perichondrocyte

pericrane
Obsolete form of pericranium.

pericranes
plural of pericrane

pericrania
plural of pericranium

pericranies
plural of pericrany

pericranium
The membrane (or periosteum) which covers the outer surface of the skull.
The head, skull; one's mind.

pericraniums
plural of pericranium

pericrany
The pericranium.

pericyst
A protective layer of fibrous tissue surrounding hydatid parasites in the host

pericysts
plural of pericyst

pericyte
A type of mesenchymal cell which in aggregation forms a contractile wrapping around a capillary.

pericytes
plural of pericyte

peridesm
The layer of cells surrounding each vascular bundle beneath the special endoderm in astelic stems.

peridesmium
The areolar tissue around a ligament.

peridiastole
The very brief period of time s between the systole and the diastole of the heart.

perididymis
A fibrous membrane surrounding most of the testis

perienteron
The primitive perivisceral cavity; the space between the entoderm and the ectoderm, the forerunner of the schizocoel or enterocoel.

perifovea
A band immediately surrounding a fovea

perifoveas
plural of perifovea

periglottis
The epidermis of the tongue.

perigyne
Synonym of perigynium.

perigynes
plural of perigyne

perigynia
plural of perigynium

perigynium
A specialized sheath-like bract that surrounds the ovary or fruit of some flowering plants, especially those in the family Cyperaceae (sedges); utricle.

perikaretosis
Misspelling of parakeratosis.

perikarion
Misspelling of perikaryon.

perikarya
plural of perikaryon

perikaryon
The cell body of a neuron or of an odontoblast.

perikaryons
plural of perikaryon

perikaryoplasm
A zone of granular protoplasm seen in Cobaea scandens in the cytoplasm of the resting pollen mother-cell on its approaching division.

perilymph
An extracellular fluid found in the scala tympani and scala vestibuli of the cochlea.

perilymphs
plural of perilymph

perimetrium
The outer serosa layer of the uterus.

perimycium
Misspelling of perimysium.

perimysia
plural of perimysium

perimysium
A layer of connective tissue which surrounds several muscle fibers into bundles

perimysiums
plural of perimysium

perineometry
The measurement of the strength of voluntary contractions of the pelvic floor muscles

perineuria
plural of perineurium

perineurium
The sheath of connective tissue that surrounds a fascicle of nerve fibres

perineuriums
plural of perineurium

periocyte
Misspelling of pericyte.

periodontium
The specialized tissues that both surround and support the teeth, maintaining them in the maxillary and mandibular bones; the tissues including alveolar bone, cementum, gums and periodontal ligament.

periodontoclasia
Removal or destruction of the periodontal tissues.

periost
Synonym of periosteum.

periostea
plural of periosteum

periosteophyte
Any small, abnormal growth on the periosteum

periosteophytes
plural of periosteophyte

periosteum
A membrane surrounding a bone.

periosteums
plural of periosteum

periostium
Misspelling of periosteum.

periosts
plural of periost

periphlebitis
perivasculitis of the retina

periplasm
The region between the plasma membrane and the outer membrane or cell wall.

periplasms
plural of periplasm

perispeckle
The periphery of the nuclear speckle of a neuron

perispeckles
plural of perispeckle

perisperm
The layer of nutritive tissue, derived from the nucellus, that surrounds the embryo of a seed in some angiosperms.

perisperms
plural of perisperm

peristole
peristalsis, especially of the intestines

peristome
One or two rings of tooth-like appendages surrounding the opening of the capsule of many mosses.
The parts of or surrounding the mouths of numerous invertebrates.
The lip, or edge of the aperture, of a spiral shell.

peristomes
plural of peristome

peristomia
plural of peristomium

peristomium
A peristome.

perisystole
The brief interval between the diastole and systole of the heart.

peritendon
The membrane surrounding the tendon.

peritendons
plural of peritendon

peritenon
The connective tissue sheath surrounding a tendon.

peritenons
plural of peritenon

perithallus
The layer of cells surrounding a thallus

perithelium
The layer of connective tissue surrounding the capillaries and smaller blood vessels

peritonaeum
Alternative form of peritoneum.

peritonea
plural of peritoneum

peritonectomies
plural of peritonectomy

peritonectomy
Removal of a cancerous part of the peritoneum.

peritoneography
radiography of the peritoneum

peritoneoscopies
plural of peritoneoscopy

peritoneoscopy
Examination of the abdominal cavity using a narrow instrument inserted through a small incision in the peritoneum.

peritoneum
In mammals, the serous membrane lining the cavity of the abdomen and that is folded over the viscera.
In animals, the membrane lining the coelom cavity.

peritoneums
plural of peritoneum

perivasculature
perivascular tissue

perizonia
plural of perizonium

perizonium
A thin membrane surrounding the auxospore of a diatom.

perlecan
A large multidomain proteoglycan that is a key component of the extracellular matrix of cartilage.

perlecans
plural of perlecan

permaboner
A penis that is persistently erect; a prolonged erection.

permaboners
plural of permaboner

permacath
A long-term haemodialysis catheter which achieves venous access most commonly through the internal jugular vein.

permacaths
plural of permacath

peronei
plural of peroneus

peroneum
A small sesamoid bone in the foot found in some humans.

peroneus
Any of several muscles of the lateral side of the leg, which arise from the fibula and act to move the foot.

peroxinectin
A form of peroxidase, present in crayfish blood, that functions in cell adhesion

peroxinectins
plural of peroxinectin

persufflation
The technique of gently streaming oxygenated air through the blood vessels of a chilled organ for the purpose of organ preservation.

persufflations
plural of persufflation

pervaporation
A technique whereby the components of a mixture of two liquids are separated by selective permeation through a semipermeable membrane, the component that passes through the membrane being removed by evaporation

pervaporations
plural of pervaporation

pervigilium
Insomnia.

perykarya
Misspelling of perikarya.