Name a body part people have exactly two of (like ears)

Deep Cut +85

• Optic tracts
• Ora serrata
• Orbicularis oculi
• Orbital lamina of ethmoid bone
• Orbital parts of frontal bone
• Orbital processes of palatine bone
• Orbital processes of the zygomatic bone
• Orbital septum
• Orbital sulci
• Orbital surfaces of the body of the maxilla
• Orbitofrontal cortices
• Organs of Corti
• Osborne's ligaments
• Osseous spiral laminae
• Ostmann's fat pads
• Otic ganglion
• Outer bands of Baillarger
• Outer ears
• Outer nuclear layers
• Outer plexiform layers
• Outer spiral sulci
• Outer tunnels
• Outflow tract
• Oval window niches
• Oval windows
• Ovarian arteries
• Ovarian branches of uterine artery
• Ovarian fossae
• Ovarian ligaments
• Ovarian plexuses
• Ovarian veins
• Palatine bones
• Palatine fovea
• Palatine process of maxilla
• Palatoethmoidal sutures
• Palatoglossal arch
• Palatoglossus muscle
• Palatomaxillary sutures
• Palatopharyngeal arch
• Palatopharyngeus
• Palmar aponeurosis pulleys
• Palmar carpal arches
• Palmar carpal branches of radial artery
• Palmar carpal branches of ulnar artery
• Palmar cutaneous branch of the ulnar nerve
• Palmar cutaneous branches of the median nerve
• Palmar fascia
• Palmar interosseous fascia
• Palmar radiocarpal ligaments
• Palmar radioulnar ligaments
• Palmar venous network
• Palmaris brevis
• Palmaris longus
• Palpebral fissures
• Pampiniform plexuses
• Parabrachial areas
• Parabrachial pigmented nuclei
• Paracentral lobules
• Paracentral nuclei
• Paracentral sulci
• Paracolic gutters
• Paradidymis
• Parafacial zones
• Parafascicular nuclei
• Parafovea
• Parahippocampal gyri
• Parainsular areas
• Paralaminar nuclei
• Paramedian pontine reticular formation
• Paramedian reticular nuclei
• Paramesenteric gutters
• Parametrium
• Paranigral nuclei
• Paraolfactory areas
• Parapharyngeal spaces
• Pararectal fossae
• Parasubicula
• Parasympathetic roots of ciliary ganglion
• Paratenial nuclei
• Paraterminal gyrus
• Paraventricular nuclei
• Paravermes
• Paravesical fossae
• Paravestibular nuclei
• Parietal bones
• Parietal branches of superficial temporal artery
• Parietal eminences
• Parietal lobes
• Parietal opercula
• Parietal pleura
• Parieto-occipital sulci
• Parietomastoid sutures
• Paroophoron
• Parotid duct
• Parotid glands
• Parotid papilla
• Parotid plexuses
• Pars compacta
• Pars flaccida
• Pars opercularis
• Pars orbitalis
• Pars plana
• Pars plicata
• Pars reticulata
• Pars tensa
• Pars triangularis
• Parvocellular reticular nuclei
• Patellar plexuses
• Patellar tendons
• Patellofemoral joints
• PCLs
• Pectineal ligaments
• Pectineus
• Pectoral branches
• Pectoral fasciae
• Pectoralis minor
• Pedunculopontine nuclei
• Perforant pathways
• Perforating cutaneous nerves
• Periamygdaloid cortices
• Pericardiacophrenic arteries
• Pericardiacophrenic veins
• Pericardial sinus
• Perifovea
• Perilymphatic spaces
• Perineal arteries
• Perineal nerves
• Periorbita
• Perirhinal cortices
• Periventricular nuclei
• Periventricular preoptic nuclei
• Peroneal nerves
• Peroneus brevis
• Peroneus longus
• Peroneus tertius
• Perpendicular plates of palatine bone
• Pes anserinus
• Petro-occipital synchondroses
• Petrosal branches of middle meningeal artery
• Petrosal processes
• Petrosquamous sinuses
• Petrosquamous sutures
• Petrotympanic fissures
• Petrous parts of the temporal bone
• Petrous portion of the internal carotid artery
• Pharyngeal branches of vagus nerve
• Pharyngeal nerves
• Pharyngeal openings of the auditory tubes
• Pharyngeal plexuses
• Pharyngeal recesses
• Philtral columns
• Phrenic nerves
• Phrenic plexuses
• Piriform cortices
• Piriformis
• Piriformis fasciae
• Pisiform
• Pisiform joints
• Pisohamate ligaments
• Pisometacarpal ligaments
• Plana polaria
• Plana temporalia
• Plantar arches
• Plantar calcaneocuboid ligaments
• Plantar calcaneonavicular ligaments
• Plantar cuboideonavicular ligaments
• Plantar cuneocuboid ligaments
• Plantar fasciae
• Plantar venous arches
• Plantaris
• Planum semilunatum
• Platysma
• Pleurae
• Plica semilunaris of conjunctiva
• Polymorphic layers of the dentate gyrus
• Ponticuli of the auricle
• Ponticuli of the promontory
• Pontine micturition centers
• Pontine respiratory groups
• Pontine reticular nucleus caudal parts
• Pontine reticular nucleus oral parts
• Pontocerebellar tracts
• Popliteal arteries
• Popliteal veins
• Popliteus
• Postcalcarine sulci
• Postcentral gyri
• Postcentral sulci
• Posterior ampullary nerves
• Posterior auricular arteries
• Posterior auricular groove
• Posterior auricular muscles
• Posterior auricular nerves
• Posterior auricular veins
• Posterior branches of coccygeal nerve
• Posterior branches of obturator nerve
• Posterior branches of the obturator artery
• Posterior cerebral arteries
• Posterior chambers
• Posterior cingulate cortices
• Posterior circumflex humeral arteries
• Posterior clinoid processes
• Posterior columns
• Posterior communicating arteries
• Posterior compartments of leg
• Posterior compartments of the arm
• Posterior compartments of the forearm
• Posterior compartments of thigh
• Posterior cords
• Posterior cricoarytenoid muscles
• Posterior crura of the stapes
• Posterior cutaneous nerves of arm
• Posterior cutaneous nerves of forearm
• Posterior cutaneous nerves of thigh
• Posterior ethmoidal arteries
• Posterior ethmoidal foramina
• Posterior ethmoidal nerves
• Posterior gluteal lines
• Posterior grey columns
• Posterior horns of the lateral ventricle
• Posterior inferior cerebellar arteries
• Posterior inferior iliac spines
• Posterior intermuscular septum of leg
• Posterior interosseous arteries
• Posterior interosseous nerves
• Posterior lacrimal crests
• Posterior ligaments of the auricle
• Posterior ligaments of the head of the fibula
• Posterior ligaments of the incus
• Posterior limbs of the internal capsule
• Posterior malleolar folds
• Posterior meningeal arteries
• Posterior meniscofemoral ligaments
• Posterior nuclei of the hypothalamus
• Posterior papillary muscle
• Posterior parietal cortices
• Posterior recesses of the tympanic membrane
• Posterior sacroiliac ligaments
• Posterior scalenes
• Posterior segment of eyeball
• Posterior semicircular canals
• Posterior spinal arteries
• Posterior sternoclavicular ligaments
• Posterior superior alveolar artery
• Posterior superior alveolar nerves
• Posterior superior iliac spines
• Posterior talocalcaneal ligaments
• Posterior talofibular ligaments
• Posterior thoracic nucleus
• Posterior tibial arteries
• Posterior tibial recurrent arteries
• Posterior tibiofibular ligaments
• Posterior triangles of the neck
• Posterior tympanic arteries
• Posterior tympanic sinuses
• Posterior ulnar recurrent arteries
• Posterior walls of the middle ear
• Posterodorsal tegmental nuclei
• Posterolateral sulcus of medulla oblongata
• Posterolateral sulcus of spinal cord
• Posterolateral tracts
• Posteroventral cochlear nuclei
• Postrhinal cortices
• Pre-Bötzinger complexes
• Precentral gyri
• Precentral sulci
• Precunei
• Prefrontal cortices
• Premotor cortices
• Preoccipital notches
• Preoptic areas
• Prepatellar bursae
• Presubicula
• Pretecta
• Primary auditory cortices
• Primary gustatory cortices
• Primary motor cortices
• Primary somatosensory cortices
• Primary visual cortices
• Princeps pollicis arteries
• Principal sensory nucleus of trigeminal nerve
• Procerus muscles
• Prominences of the facial canal
• Prominences of the lateral semicircular canal
• Promontories
• Pronator quadratus muscles
• Pronator teres
• Proper cochlear arteries
• Prosubicula
• Protympana
• Proximal radioulnar articulation
• Prussak's spaces
• Psoas
• Pterygoid canals
• Pterygoid fossae
• Pterygoid fovea
• Pterygoid hamulus
• Pterygoid plexuses
• Pterygoid processes of the sphenoid
• Pterygomandibular raphe
• Pterygopalatine fossae
• Pterygopalatine ganglion
• Pubic bones
• Pubic crests
• Pubic tubercles
• Pubocervical ligaments
• Pubococcygeus muscles
• Pubofemoral ligaments
• Puboprostatic ligaments
• Puborectalis muscles
• Pubovaginal muscles
• Pubovesical ligaments
• Pudendal canals
• Pudendal nerves
• Pudendal plexuses
• Pulmonary arteries
• Pulmonary ligaments
• Pulmonary plexuses
• Pulvinars
• Putamen
• Pyramidal eminences
• Pyramidal processes of palatine bone
• Pyramidal tracts
• Pyramidalis muscles
• Pyramids of the vestibule
• Pyriform sinuses
• Quad tendons
• Quadrangular lobules
• Quadrangular membranes
• Quadrangular spaces
• Quadrate ligaments
• Quadrate tubercles
• Quadratus femoris muscles
• Quadratus lumborum
• Quadratus plantae
• Radial arteries
• Radial borders of the hands
• Radial bursae
• Radial collateral arteries
• Radial collateral ligaments of the elbow
• Radial collateral ligaments of thumb
• Radial collateral ligaments of wrist joint
• Radial heads
• Radial nerves
• Radial notches
• Radial recurrent arteries
• Radial styloid processes
• Radial sulcus
• Radial tuberosities
• Radialis indicis arteries
• Radiate carpal ligaments
• Radii
• Radioscaphocapitate ligaments
• Radioscapholunate ligaments
• Rear delts
• Rectus abdominis
• Rectus capitis anterior
• Rectus capitis lateralis
• Rectus capitis posterior major
• Rectus capitis posterior minor
• Rectus femoris
• Rectus sheath
• Recurrent artery of Heubner
• Recurrent branches of the median nerve
• Recurrent laryngeal nerve
• Red nuclei
• Reflected ligament
• Reissner's membranes
• Renal arteries
• Renal capsule
• Renal cortex
• Renal fascia
• Renal medulla
• Renal pelvis
• Renal plexus
• Renal sinus
• Renal veins
• Rete testis
• Reticular laminae
• Reticulotegmental nuclei
• Retinal pigment epithelium
• Retinohypothalamic tracts
• Retrocalcaneal bursae
• Retromammary space
• Retromandibular vein
• Retromolar pad
• Retromolar space
• Retromolar trigone
• Retrosplenial cortices
• Retrosubicular areas
• Retrotrapezoid nuclei
• Retrotympana
• Rhinal sulci
• Rhomboid major
• Rhomboid minor
• Ring fingernails
• Risorius
• Rolandic opercula
• Root of the lung
• Rosenthal's canals
• Rostral anterior cingulate cortices
• Rostral interstitial nuclei of medial longitudinal fasciculus
• Rostral middle frontal gyri
• Rostral spinocerebellar tract
• Rostral ventrolateral medullae
• Rostromedial tegmental nuclei
• Round ligaments
• Round window niches
• Round windows
• Rubrospinal tracts
• Saccular ducts
• Saccular maculae
• Saccular nerves
• Saccules
• Sacral plexus
• Sacral spinal nerve 1
• Sacral spinal nerve 2
• Sacral spinal nerve 3
• Sacral spinal nerve 4
• Sacral spinal nerve 5
• Sacral tuberosity
• Sacrospinous ligament
• Sacrotuberous ligament
• Salpingopalatine fold
• Salpingopharyngeal fold
• Salpingopharyngeus
• Salvatella veins
• Saphenous nerve
• Sartorius
• Sattler's layer
• Scala tympani
• Scala vestibuli
• Scaphae
• Scaphocapitate ligaments
• Scaphoid
• Scapholunate joints
• Scapholunate ligaments
• Scaphotrapeziotrapezoid ligaments
• Scleras
• Scrotal ligament
• Second metacarpals
• Second metatarsals
• Second rib
• Second toenails
• Second toes
• Secondary somatosensory cortices
• Secondary spiral laminae
• Secondary tympanic membranes
• Secondary visual cortices
• Semicanals for tensor tympani
• Semicanals for the auditory tube
• Semilunar fold of the fauces
• Semilunar hiatus
• Semilunar valve
• Semimembranosus
• Seminal vesicles
• Semispinalis capitis
• Semispinalis cervicis
• Semispinalis thoracis
• Semitendinosus
• Sensory root of ciliary ganglion
• Septal areas
• Septum of musculotubal canal
• Serratus anterior
• Serratus posterior inferior
• Serratus posterior superior
• Seventh ribs
• Short heads of the biceps
• Short process of incus
• Short radiolunate ligaments
• SI joints
• Side delts
• Sigmoid sinus
• Sigmoid sulcus
• Simple bony limb
• Simple lobules
• Singular foramina
• Sinus tarsi
• Sinus tympani
• Sit bones
• Skene's glands
• Small saphenous vein
• Soleal line
• Soles
• Soleus
• Solitary nucleus commissural parts
• Solitary nucleus dorsal parts
• Solitary nucleus dorsolateral parts
• Solitary nucleus gelatinous parts
• Solitary nucleus intermediate parts
• Solitary nucleus interstitial parts
• Solitary nucleus medial parts
• Solitary nucleus paracommissural parts
• Solitary nucleus ventral parts
• Solitary nucleus ventrolateral
• Solitary tracts
• Somatosensory association cortices
• Somatosensory cortices
• Spaces of Poirier
• Spermatic cords