해부학용어 Anatomical Terminology | Terminologia Anatomica
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The Anatomy of the Rectum and Anal Canal
BASIC SCIENCE identify the rectosigmoid junction with confidence at operation. The anatomy of the rectum The rectosigmoid junction usually lies approximately 6 cm below the level of the sacral promontory. Approached from the distal and anal canal end, however, as when performing a rigid or flexible sigmoid- oscopy, the rectosigmoid junction is seen to be 14e18 cm from Vishy Mahadevan the anal verge, and 18 cm is usually taken as the measurement for audit purposes. The rectum in the adult measures 10e14 cm in length. Abstract Diseases of the rectum and anal canal, both benign and malignant, Relationship of the peritoneum to the rectum account for a very large part of colorectal surgical practice in the UK. Unlike the transverse colon and sigmoid colon, the rectum lacks This article emphasizes the surgically-relevant aspects of the anatomy a mesentery (Figure 1). The posterior aspect of the rectum is thus of the rectum and anal canal. entirely free of a peritoneal covering. In this respect the rectum resembles the ascending and descending segments of the colon, Keywords Anal cushions; inferior hypogastric plexus; internal and and all of these segments may be therefore be spoken of as external anal sphincters; lymphatic drainage of rectum and anal canal; retroperitoneal. The precise relationship of the peritoneum to the mesorectum; perineum; rectal blood supply rectum is as follows: the upper third of the rectum is covered by peritoneum on its anterior and lateral surfaces; the middle third of the rectum is covered by peritoneum only on its anterior 1 The rectum is the direct continuation of the sigmoid colon and surface while the lower third of the rectum is below the level of commences in front of the body of the third sacral vertebra. -
Connectivity and Neurochemistry of the Commissura Anterior of the Pigeon (Columba Livia)
RESEARCH ARTICLE Connectivity and Neurochemistry of the Commissura Anterior of the Pigeon (Columba livia) Sara Letzner,* Annika Simon, and Onur Gunt€ urk€ un€ Department of Biopsychology, Institute of Cognitive Neuroscience, Faculty of Psychology, Ruhr-University Bochum, Bochum, Germany ABSTRACT pallial and amygdaloid projections were reciprocally The anterior commissure (AC) and the much smaller organized, and all AC projections originated within a hippocampal commissure constitute the only interhemi- rather small area of the arcopallium and the PoA. The spheric pathways at the telencephalic level in birds. commissural neurons were not GABA-positive, and thus Since the degeneration study from Zeier and Karten possibly not of an inhibitory nature. In sum, our neuroa- (1973), no detailed description of the topographic orga- natomical study demonstrates that a small group of nization of the AC has been performed. This information arcopallial and amygdaloid neurons constitute a wide is not only necessary for a better understanding of range of contralateral projections to sensorimotor and interhemispheric transfer in birds, but also for a com- limbic structures. Different from mammals, in birds the parative analysis of the evolution of commissural sys- neurons that project via the AC constitute mostly heter- tems in the vertebrate classes. We therefore examined otopically organized and unidirectional connections. In the fiber connections of the AC by using choleratoxin addition, the great majority of pallial areas do not par- subunit B (CTB) and biotinylated dextran amine (BDA). ticipate by themselves in interhemispheric exchange in Injections into subareas of the arcopallium and poste- birds. Instead, commissural exchange rests on a rather rior amygdala (PoA) demonstrated contralateral projec- small arcopallial and amygdaloid cluster of neurons. -
Sound and the Ear Chapter 2
© Jones & Bartlett Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Chapter© Jones & Bartlett 2 Learning, LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR DISTRIBUTION NOT FOR SALE OR DISTRIBUTION Sound and the Ear © Jones Karen &J. Kushla,Bartlett ScD, Learning, CCC-A, FAAA LLC © Jones & Bartlett Learning, LLC Lecturer NOT School FOR of SALE Communication OR DISTRIBUTION Disorders and Deafness NOT FOR SALE OR DISTRIBUTION Kean University © Jones & Bartlett Key Learning, Terms LLC © Jones & Bartlett Learning, LLC NOT FOR SALE OR Acceleration DISTRIBUTION Incus NOT FOR SALE OR Saccule DISTRIBUTION Acoustics Inertia Scala media Auditory labyrinth Inner hair cells Scala tympani Basilar membrane Linear scale Scala vestibuli Bel Logarithmic scale Semicircular canals Boyle’s law Malleus Sensorineural hearing loss Broca’s area © Jones & Bartlett Mass Learning, LLC Simple harmonic© Jones motion (SHM) & Bartlett Learning, LLC Brownian motion Membranous labyrinth Sound Cochlea NOT FOR SALE OR Mixed DISTRIBUTION hearing loss Stapedius muscleNOT FOR SALE OR DISTRIBUTION Compression Organ of Corti Stapes Condensation Osseous labyrinth Tectorial membrane Conductive hearing loss Ossicular chain Tensor tympani muscle Decibel (dB) Ossicles Tonotopic organization © Jones Decibel & hearing Bartlett level (dB Learning, HL) LLC Outer ear © Jones Transducer & Bartlett Learning, LLC Decibel sensation level (dB SL) Outer hair cells Traveling wave theory NOT Decibel FOR sound SALE pressure OR level DISTRIBUTION -
Larynx Anatomy
LARYNX ANATOMY Elena Rizzo Riera R1 ORL HUSE INTRODUCTION v Odd and median organ v Infrahyoid region v Phonation, swallowing and breathing v Triangular pyramid v Postero- superior base àpharynx and hyoid bone v Bottom point àupper orifice of the trachea INTRODUCTION C4-C6 Tongue – trachea In women it is somewhat higher than in men. Male Female Length 44mm 36mm Transverse diameter 43mm 41mm Anteroposterior diameter 36mm 26mm SKELETAL STRUCTURE Framework: 11 cartilages linked by joints and fibroelastic structures 3 odd-and median cartilages: the thyroid, cricoid and epiglottis cartilages. 4 pair cartilages: corniculate cartilages of Santorini, the cuneiform cartilages of Wrisberg, the posterior sesamoid cartilages and arytenoid cartilages. Intrinsic and extrinsic muscles THYROID CARTILAGE Shield shaped cartilage Right and left vertical laminaà laryngeal prominence (Adam’s apple) M:90º F: 120º Children: intrathyroid cartilage THYROID CARTILAGE Outer surface à oblique line Inner surface Superior border à superior thyroid notch Inferior border à inferior thyroid notch Superior horns à lateral thyrohyoid ligaments Inferior horns à cricothyroid articulation THYROID CARTILAGE The oblique line gives attachement to the following muscles: ¡ Thyrohyoid muscle ¡ Sternothyroid muscle ¡ Inferior constrictor muscle Ligaments attached to the thyroid cartilage ¡ Thyroepiglottic lig ¡ Vestibular lig ¡ Vocal lig CRICOID CARTILAGE Complete signet ring Anterior arch and posterior lamina Ridge and depressions Cricothyroid articulation -
Glutamate Transporter Mrna Expression in Proliferative Zones of the Developing and Adult Murine CNS
The Journal of Neuroscience, April 1, 1996, 76(7):2191-2207 Glutamate Transporter mRNA Expression in Proliferative Zones of the Developing and Adult Murine CNS Margaret L. Sutherland,is2 Tracy A. Delaney,’ and Jeffrey L. Noebels’s2 1Division of Neuroscience, “Developmental Neurogenetics Laboratory, Department of Neurology, Baylor College of Medicine, Houston, Texas 77030 Neuronal migration, differentiation, and synapse formation are transcript expression continued in the subventricular zone developmental processes within the CNS significantly influ- postnatally and persisted in this proliferative zone in the adult enced by ionotropic and metabotropic glutamate receptor ac- brain. From PO onward, mEAAT1 mRNA was present predom- tivity. Extracellular glutamate concentrations mediating this ac- inantly in the cerebellar Purkinje cell layer and at a much lower tivity are regulated by transport proteins localized in neuronal abundance in the cortex, hippocampus, basal nuclei, and sep- and glial cell membranes. We have used in situ hybridization tum, whereas from P7 onward, mEAAT2 mRNA expression analysis with subtype-specific antisense-oligonucleotides to increased throughout most of the neuraxis. Postnatally, tran- study the distribution of glia-specific excitatory amino acid scripts for mEAAT1 and mEAAT2 were found in cell bodies, transporter (mEAAT1 and mEAAT2) mRNAs during the later processes, and commissural white matter tracts of the CNS. stages of embryogenesis and postnatal CNS development. The divergent temporal and spatial expression -
Female Perineum Doctors Notes Notes/Extra Explanation Please View Our Editing File Before Studying This Lecture to Check for Any Changes
Color Code Important Female Perineum Doctors Notes Notes/Extra explanation Please view our Editing File before studying this lecture to check for any changes. Objectives At the end of the lecture, the student should be able to describe the: ✓ Boundaries of the perineum. ✓ Division of perineum into two triangles. ✓ Boundaries & Contents of anal & urogenital triangles. ✓ Lower part of Anal canal. ✓ Boundaries & contents of Ischiorectal fossa. ✓ Innervation, Blood supply and lymphatic drainage of perineum. Lecture Outline ‰ Introduction: • The trunk is divided into 4 main cavities: thoracic, abdominal, pelvic, and perineal. (see image 1) • The pelvis has an inlet and an outlet. (see image 2) The lowest part of the pelvic outlet is the perineum. • The perineum is separated from the pelvic cavity superiorly by the pelvic floor. • The pelvic floor or pelvic diaphragm is composed of muscle fibers of the levator ani, the coccygeus muscle, and associated connective tissue. (see image 3) We will talk about them more in the next lecture. Image (1) Image (2) Image (3) Note: this image is seen from ABOVE Perineum (In this lecture the boundaries and relations are important) o Perineum is the region of the body below the pelvic diaphragm (The outlet of the pelvis) o It is a diamond shaped area between the thighs. Boundaries: (these are the external or surface boundaries) Anteriorly Laterally Posteriorly Medial surfaces of Intergluteal folds Mons pubis the thighs or cleft Contents: 1. Lower ends of urethra, vagina & anal canal 2. External genitalia 3. Perineal body & Anococcygeal body Extra (we will now talk about these in the next slides) Perineum Extra explanation: The perineal body is an irregular Perineal body fibromuscular mass. -
Pocket Atlas of Human Anatomy 4Th Edition
I Pocket Atlas of Human Anatomy 4th edition Feneis, Pocket Atlas of Human Anatomy © 2000 Thieme All rights reserved. Usage subject to terms and conditions of license. III Pocket Atlas of Human Anatomy Based on the International Nomenclature Heinz Feneis Wolfgang Dauber Professor Professor Formerly Institute of Anatomy Institute of Anatomy University of Tübingen University of Tübingen Tübingen, Germany Tübingen, Germany Fourth edition, fully revised 800 illustrations by Gerhard Spitzer Thieme Stuttgart · New York 2000 Feneis, Pocket Atlas of Human Anatomy © 2000 Thieme All rights reserved. Usage subject to terms and conditions of license. IV Library of Congress Cataloging-in-Publication Data is available from the publisher. 1st German edition 1967 2nd Japanese edition 1983 7th German edition 1993 2nd German edition 1970 1st Dutch edition 1984 2nd Dutch edition 1993 1st Italian edition 1970 2nd Swedish edition 1984 2nd Greek edition 1994 3rd German edition 1972 2nd English edition 1985 3rd English edition 1994 1st Polish edition 1973 2nd Polish edition 1986 3rd Spanish edition 1994 4th German edition 1974 1st French edition 1986 3rd Danish edition 1995 1st Spanish edition 1974 2nd Polish edition 1986 1st Russian edition 1996 1st Japanese edition 1974 6th German edition 1988 2nd Czech edition 1996 1st Portuguese edition 1976 2nd Italian edition 1989 3rd Swedish edition 1996 1st English edition 1976 2nd Spanish edition 1989 2nd Turkish edition 1997 1st Danish edition 1977 1st Turkish edition 1990 8th German edition 1998 1st Swedish edition 1979 1st Greek edition 1991 1st Indonesian edition 1998 1st Czech edition 1981 1st Chinese edition 1991 1st Basque edition 1998 5th German edition 1982 1st Icelandic edition 1992 3rd Dutch edtion 1999 2nd Danish edition 1983 3rd Polish edition 1992 4th Spanish edition 2000 This book is an authorized and revised translation of the 8th German edition published and copy- righted 1998 by Georg Thieme Verlag, Stuttgart, Germany. -
By Dr.Ahmed Salman Assistant Professorofanatomy &Embryology My Advice to You Is to Focus on the Diagrams That I Drew
The University Of Jordan Faculty Of Medicine REPRODUCTIVE SYSTEM By Dr.Ahmed Salman Assistant ProfessorofAnatomy &embryology My advice to you is to focus on the diagrams that I drew. These diagrams cover the Edited by Dana Hamo doctor’s ENTIRE EXPLANATION AND WHAT HE HAS MENTIONED Quick Recall : Pelvic brim Pelvic diaphragm that separates the true pelvis above and perineum BELOW Perineum It is the diamond-shaped lower end of the trunk Glossary : peri : around, ineo - discharge, evacuate Location : it lies below the pelvic diaphragm, between the upper parts of the thighs. Boundaries : Anteriorly : Inferior margin of symphysis pubis. Posteriorly : Tip of coccyx. Anterolateral : Fused rami of pubis and ischium and ischial tuberosity. Posterolateral : Sacrotuberous ligaments. Dr.Ahmed Salman • Same boundaries as the pelvic Anteriorly: outlet. inferior part of • If we drew a line between the 2 symphysis pubis ischial tuberosities, the diamond shape will be divided into 2 triangles. Anterior and Anterior and Lateral : Lateral : •The ANTERIOR triangle is called ischiopubic ischiopubic urogenital triangle ramus The perineum ramus •The POSTERIOR triangle is called has a diamond anal triangle shape. ischial tuberosity Posterior and Posterior and Lateral : Lateral : Urogenital sacrotuberous sacrotuberous tri. ligament ligament Anal tri. Posteriorly : tip of coccyx UROGENITAL TRI. ANAL TRI. Divisions of the Perineum : By a line joining the anterior parts of the ischial tuberosities, the perineum is divided into two triangles : Anteriorly :Urogenital -
Clinical Pelvic Anatomy
SECTION ONE • Fundamentals 1 Clinical pelvic anatomy Introduction 1 Anatomical points for obstetric analgesia 3 Obstetric anatomy 1 Gynaecological anatomy 5 The pelvic organs during pregnancy 1 Anatomy of the lower urinary tract 13 the necks of the femora tends to compress the pelvis Introduction from the sides, reducing the transverse diameters of this part of the pelvis (Fig. 1.1). At an intermediate level, opposite A thorough understanding of pelvic anatomy is essential for the third segment of the sacrum, the canal retains a circular clinical practice. Not only does it facilitate an understanding cross-section. With this picture in mind, the ‘average’ of the process of labour, it also allows an appreciation of diameters of the pelvis at brim, cavity, and outlet levels can the mechanisms of sexual function and reproduction, and be readily understood (Table 1.1). establishes a background to the understanding of gynae- The distortions from a circular cross-section, however, cological pathology. Congenital abnormalities are discussed are very modest. If, in circumstances of malnutrition or in Chapter 3. metabolic bone disease, the consolidation of bone is impaired, more gross distortion of the pelvic shape is liable to occur, and labour is likely to involve mechanical difficulty. Obstetric anatomy This is termed cephalopelvic disproportion. The changing cross-sectional shape of the true pelvis at different levels The bony pelvis – transverse oval at the brim and anteroposterior oval at the outlet – usually determines a fundamental feature of The girdle of bones formed by the sacrum and the two labour, i.e. that the ovoid fetal head enters the brim with its innominate bones has several important functions (Fig. -
Specialized for Sound Detection A. Outer
EAR © 2019zillmusom I. Overview - specialized for sound detection A. Outer ear - funnel shaped structure of cartilage and skin that leads to Tympanic membrane; directs sound toward Tympanic membrane; helps detect source of sound. B. Middle ear - air filled chamber that contains bones (ossicles) that link Tympanic membrane to cochlea; also contains muscles that dampen sounds; middle ear is linked to Nasopharynx by auditory tube which allows for equilibration of air pressure on inner side of Tympanic membrane. C. Inner ear - fluid filled chamber in petrous part of temporal bone; inner ear contains Cochlea (hearing) and Vestibular apparatus for gravity detection (both innervated by CN VIII). Clinical Note: Functioning of inner ear can be tested independently by vibrations transmitted directly through bone (Weber test: tuning fork on calvarium is perceived as sound); CONDUCTIVE HEARING LOSS - damage to middle ear (tympanic membrane, auditory ossicles); SENSORINEURAL HEARING LOSS - damage to inner ear (cochlea, CN VIII). II. Outer Ear - composed of two parts: A. Auricle (pinna) - elastic cartilage covered with skin; functions to reflect sound waves. Parts: helix, antihelix, tragus and lobule. Decorative Note: Cartilage does not extend into Lobule; Lobule can be readily pierced to provide support for decorative metal objects. B. External auditory meatus - tube from auricle to the Tympanic membrane; posterior to Parotid gland and TMJ (Temporomandibular joint); located anterior to mastoid process. Outer third consists of elastic cartilage; contains hairs, sebaceous glands and ceruminous glands (produce cerumen = ear wax); serves to protect Tympanic membrane; Inner two thirds is composed of bone lined with skin. Clinical note: External auditory meatus is curved anteriorly in adults, is straight in children; in adults, auricle is pulled up and back to insert otoscope. -
Lipoma on the Antitragus of the Ear Hyeree Kim, Sang Hyun Cho, Jeong Deuk Lee, Hei Sung Kim* Department of Dermatology, Incheon St
www.symbiosisonline.org Symbiosis www.symbiosisonlinepublishing.com Letter to Editor Clinical Research in Dermatology: Open Access Open Access Lipoma on the antitragus of the ear Hyeree Kim, Sang Hyun Cho, Jeong Deuk Lee, Hei Sung Kim* Department of Dermatology, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea Received: February 29, 2016; Accepted: March 25, 2016; Published: March 30, 2016 *Corresponding author: Hei Sung Kim, Professsor, Department of Dermatology, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, 56 Donsuro, Bupyeong-gu, Incheon, 403-720, Korea. Tel: 82-32-280-5100; Fax: 82-2-506-9514; E-mail: [email protected] on the ear, most are located in internal auditory canals, where Keywords: Auricular Lipoma; Ear helix lipoma; Cartilagiouslipoma; Antitragallipoma approximately 150 cases have been reported in the literature worldwide [3]. Lipomas rarely originate from the external ear where only a few cases have been reported from the ear lobule Dear Editor, [4], and a only three cases from the ear helix [1,6,7] Bassem et al. Lipomas are the most common soft-tissue neoplasm [1, reported a case of lipoma of the pinnal helix on the 82-year-old 5]. Although they affect individuals of a wide age range, they woman, which presented a single, 3x3x2cm-sized, pedunculated occur predominantly in adults between the ages of 40 and 60 mass [1]. Mohammad and Ahmed reported two cases of years [5]. They most commonly present as painless, slowly cartiligious lipoma, one is conchal lipoma and the other is helical enlarging subcutaneous mass on the trunk, neck, or extremities. -
Spinal Cord (Sp Cd) and Nerves NERVOUS SYSTEM Functions of Nervous System
Spinal Cord (sp cd) and Nerves NERVOUS SYSTEM Functions of Nervous System 1. Collect sensory input 2. Integrate sensory input 3. Motor output Organization of Nervous System • Central Nervous System (CNS) = brain and spinal cord • Peripheral Nervous System (PNS) = nerves CNS PNS Peripheral Nervous System skin muscle Pg 344 Spinal Nerves (31 pairs) • Each pair of nerves located in particular segment (cervical, thoracic, lumbar, etc.) • Each nerve pair is numbered for the vertebra sitting above it (i.e. nerves exit below vertebrae) – 8 pairs of cervical spinal nerves; *C1-C8 – 12 pairs of thoracic spinal nerves; T1-T12 – 5 pairs of lumbar spinal nerves; L1-L5 – 5 pairs of sacral spinal nerves; S1-S5 – 1 pair of coccygeal spinal nerves; C0 Spinal Cord Segments Pg 393 Central Nervous System Pg 361 • Brain and Spinal Cord • Occupy Dorsal Cavity Meninges of Brain and Spinal Cord • Pia mater (deep) – delicate –highly vascular – adheres to brain/sp cd tissue • Arachnoid mater (middle) – impermeable layer = barrier – raised off pia mater by rootlets •Spinal Dura Mater(most superficial) – single dural sheath • Subarachnoid Space – between arachnoid and pia mater –contains CSF • Epidural Space – Between dura mater and vertebra – Contains fat and veins Pg 394 Spinal Cord (sp cd) • Passes inferiorly through foramen magnum into vertebral canal • 31 pairs of spinal nerves branch off spinal cord through intervertebral foramen • Spinal cord made of a core of gray matter surrounded by white matter Pg 393 Spinal Cord Growth •Runs from Medulla Oblongata to